Choosing a high capacity roof box for family travel involves balancing size, durability, ease of use, and price. The Thule Force 3 XL Cargo Box stands out as the best overall, offering ample space and reliable build quality. For budget-conscious families, the SportRack Vista XL provides generous capacity at a lower cost, though it may lack some features of premium models. Heavy-duty options like the Rooftop Cargo Carrier, 18 Cu Ft, excel in durability but tend to be bulkier and more expensive. Continue reading for a detailed comparison to help you find the perfect fit for your family’s travel needs.
Get business pricing on garage and car supplies
- Business-only prices and quantity discounts
- Tax-exempt purchasing
- Multiple users, one account, clear invoices
Complete the kit
Key Takeaways
- Size matters: larger capacity roof boxes significantly increase storage but may add weight and affect fuel efficiency.
- Dual-side opening models offer easier access, especially when parked in tight spaces, compared to rear-only designs.
- Build quality varies; heavy-duty shells provide longer lifespan but often come with higher price tags.
- Installation complexity can differ, with some models requiring professional setup, impacting convenience.
- Price range reflects features and durability; investing in a slightly more expensive model often yields better longevity for family trips.
| Thule Pulse 2 L Roof Mounted Box, 16 Cubic Ft, Dual-Side Opening | ![]() | Best Overall for Versatile Family Storage | Capacity: 16 cubic feet | Load Capacity: 75 kg | Material: ASA-ABS plastic | VIEW ON AMAZON | See Our Full Breakdown |
| Thule Force 3 XL Cargo Box | ![]() | Best for Heavy-Duty, Extended Family Trips | Capacity: up to 16 cubic feet | Material: Durable plastic | Mounting System: Quick and secure with safety indicators | VIEW ON AMAZON | See Our Full Breakdown |
| Rooftop Cargo Carrier, 18 Cu Ft Hardshell, Heavy-Duty, Made in USA | ![]() | Best for Heavy-Duty, Weatherproof Storage | Capacity: 18 cubic feet | Material: HDPE plastic | Dimensions: 57 L x 38.5 W x 17.75 H inches | VIEW ON AMAZON | See Our Full Breakdown |
| SportRack Vista XL Rear Opening Cargo Box | ![]() | Best Rear-Opening Large Capacity Solution | Capacity: 18 cubic feet (510 L) | Material: UV-resistant ABS | Dimensions: 63 x 38 x 19 in | VIEW ON AMAZON | See Our Full Breakdown |
| MIDABAO 20 Cubic Waterproof Car Roof Top Carrier – Cargo Roof Bag with Anti-Slip Mat and Racks Option | ![]() | Best Soft, Flexible Capacity for Versatile Family Needs | Capacity: 20 cubic feet | Material: PVC | Dimensions: 51.1” x 39” x 17” | VIEW ON AMAZON | See Our Full Breakdown |
| GarveeTech Rooftop Cargo Box Carrier, 165 LBS Capacity, Dual-Side Opening, Waterproof, UV-Resistant, Black | ![]() | Best Overall for Versatile Family Road Trips | Material: ABS | Capacity: 12 cubic feet (340 L) | Weight Capacity: 165 lbs | VIEW ON AMAZON | See Our Full Breakdown |
| Roof Cargo Box, 26 Cubic Feet Capacity, Dual-Side Opening Design | ![]() | Best for Long Items and Heavy Usage | Material: ABS and PMMA | Capacity: 26 cubic feet | Dimensions: 87.2 in L x 38.2 in W x 17.4 in H | VIEW ON AMAZON | See Our Full Breakdown |
| Thule Motion 3 Rooftop Box | ![]() | Best Premium for High-Tech Features and Efficiency | Design: Wing-shaped profile | Features: PowerClick, SlideLock, torque indicator | Accessories: Interior light, liner, cover | VIEW ON AMAZON | See Our Full Breakdown |
| Hard Shell Roof Top Cargo Carrier Waterproof Travel Luggage Box | ![]() | Best Budget-Friendly for Family Travel | Material: ABS plastic | Capacity: 11 Cubic feet | Dimensions: 53 x 34 x 15 inches | VIEW ON AMAZON | See Our Full Breakdown |
| 14 Cubic Ft Hard Shell Roof Cargo Box, Gray | ![]() | Best for Spacious Convenience and Security | Material: ABS + PMMA | Capacity: 14 cubic feet | Dimensions: 62.52 in L x 32.48 in W x 13.19 in H | VIEW ON AMAZON | See Our Full Breakdown |
| high capacity roof box for family travel | Capacity | Material | Dimensions |
|---|---|---|---|
| Thule Pulse 2 L Roof Mounted B | 16 cubic feet | ASA-ABS plastic | 450 liters |
| Thule Force 3 XL Cargo Box | up to 16 cubic feet | Durable plastic | — |
| Rooftop Cargo Carrier | 18 cubic feet | HDPE plastic | 57 L x 38.5 W x 17.75 H inches |
| SportRack Vista XL Rear Openin | 18 cubic feet (510 L) | UV-resistant ABS | 63 x 38 x 19 in |
| MIDABAO 20 Cubic Waterproof Ca | 20 cubic feet | PVC | 51.1” x 39” x 17” |
| GarveeTech Rooftop Cargo Box C | 12 cubic feet (340 L) | ABS | 54.3 in L x 31.5 in W x 13.4 in H |
| Roof Cargo Box | 26 cubic feet | ABS and PMMA | 87.2 in L x 38.2 in W x 17.4 in H |
| Thule Motion 3 Rooftop Box | — | — | — |
| Hard Shell Roof Top Cargo Carr | 11 Cubic feet | ABS plastic | 53 x 34 x 15 inches |
| 14 Cubic Ft Hard Shell Roof Ca | 14 cubic feet | ABS + PMMA | 62.52 in L x 32.48 in W x 13.19 in H |
More Details on Our Top Picks
Thule Pulse 2 L Roof Mounted Box, 16 Cubic Ft, Dual-Side Opening
The Thule Pulse 2 L stands out for its combination of ease of use and reliable weather resistance, making it a top choice for families needing quick access and durable protection. Compared to the Thule Force 3 XL, it offers a slightly smaller capacity but is easier to install without tools, ideal for those who frequently switch vehicles. Its dual-side opening enhances convenience during busy loading times, yet it is limited to a 75 kg load, which may restrict heavier gear. The streamlined design fits most vehicles well, but the higher price point can be a hurdle for budget-conscious buyers.
Pros:- Tool-free installation with torque indicator for quick setup
- Weather-resistant and highly durable construction
- Dual-side opening for maximum convenience
Cons:- Limited to 75 kg load capacity, restricting heavier gear
- Higher price compared to smaller or simpler options
Best for: Families who prioritize easy installation, quick access, and weatherproof protection for frequent use
Not ideal for: Budget-conscious buyers or those needing to carry very heavy loads regularly, due to its cost and weight limit
- Capacity:16 cubic feet
- Load Capacity:75 kg
- Material:ASA-ABS plastic
- Access:Dual-side opening
- Dimensions:450 liters
Our verdict“This roof box is best suited for families seeking a reliable, easy-to-use option with quick access and weather protection.”
Thule Force 3 XL Cargo Box
The Thule Force 3 XL is designed for active families that demand high capacity and durability, with a sleek look and safety features like safety indicators for secure mounting. It provides up to 16 cubic feet of space, comparable to the Rooftop Cargo Carrier, but emphasizes quick, secure installation. Its slideLock system separates locking and opening functions for added security, yet it can be heavy to handle alone and may require assistance during mounting, especially for larger vehicles. While its durability is excellent, first-time users may find the initial setup effort higher than more straightforward models.
Pros:- Durable, weather-resistant plastic construction
- Easy to mount with safety indicators for secure installation
- Provides ample cargo space with convenient dual-side access
Cons:- Heavy to lift and install alone, especially for one person
- Initial setup can be somewhat effortful for new users
Best for: Active families who need a sturdy, high-capacity cargo box for frequent long trips
Not ideal for: Single travelers or those with limited strength, due to its weight and installation effort
- Capacity:up to 16 cubic feet
- Material:Durable plastic
- Mounting System:Quick and secure with safety indicators
- Locking System:SlideLock with separate locking and opening
Our verdict“This pick makes the most sense for families seeking a rugged, high-capacity box that can withstand frequent use and rough conditions.”
Rooftop Cargo Carrier, 18 Cu Ft Hardshell, Heavy-Duty, Made in USA
The Heavy-Duty Rooftop Cargo Carrier excels in offering a robust, weatherproof solution with 18 cubic feet of capacity, making it ideal for families with bulky gear. Its dual side locking system enhances security, and the weather-tight seal helps protect belongings in harsh conditions. Unlike the SportRack Vista XL, it is slightly more challenging to install alone due to its weight, and limited color options might not suit all preferences. The 57-inch length means it’s well-suited for larger items, but its bulk could be cumbersome for smaller vehicles or solo handlers.
Pros:- Weatherproof and secure for all weather conditions
- Dual side locking system for enhanced security
- Easy dual side opening for convenient access
Cons:- Heavy weight can make installation difficult without assistance
- Limited color options
Best for: Families needing a heavy-duty, weatherproof box for long-distance or all-season travel
Not ideal for: Small cars or solo travelers who prefer lightweight, easy-to-handle options
- Capacity:18 cubic feet
- Material:HDPE plastic
- Dimensions:57 L x 38.5 W x 17.75 H inches
- Made in:USA
Our verdict“This is a solid choice for families wanting maximum weatherproof protection and security in a rugged, heavy-duty carrier.”
SportRack Vista XL Rear Opening Cargo Box
The SportRack Vista XL offers a unique rear-opening design that simplifies access, especially for taller vehicles or when side clearance is limited. Its 18 cubic feet of storage surpasses many others, with durable UV-resistant ABS construction providing longevity. The tool-free mounting system makes setup straightforward, but its size and weight can be challenging for solo handling, and the rear lock may require key management during busy trips. Compared to the Thule Pulse 2 L, it offers more capacity but might lack some sleekness and ease of installation for beginners.
Pros:- Large 18 cubic foot capacity for significant storage needs
- Rear opening for quick access in tight spaces
- UV-resistant ABS for durability
Cons:- Heavy and potentially difficult to handle alone
- Compatibility depends on roof rack type and spacing
- Locking mechanism may require key management
Best for: Families who need large capacity with convenient rear access and easy mounting
Not ideal for: Small cars or users who prefer side access or lighter carriers for easier handling
- Capacity:18 cubic feet (510 L)
- Material:UV-resistant ABS
- Dimensions:63 x 38 x 19 in
- Max Weight Capacity:45 kg (100 pounds)
Our verdict“This box is ideal for families needing large, rear-access storage, especially when side clearance is limited.”
MIDABAO 20 Cubic Waterproof Car Roof Top Carrier – Cargo Roof Bag with Anti-Slip Mat and Racks Option
The MIDABAO 20 Cubic Waterproof Roof Top Carrier offers an expansive 20 cubic feet of flexible, waterproof storage, making it a practical choice for families with bulky or irregularly shaped gear. Its soft, malleable design allows it to fit on a variety of roof types, including vehicles without racks, and its waterproof PVC construction ensures contents stay dry in heavy rain. Compared to rigid options like the Thule Pulse 2 L, it’s less rigid and may shift during high-speed travel, which is a tradeoff for its ease of storage and flexibility. Multiple straps are needed for security, and the limited color options might not appeal to everyone.
Pros:- Large 20 cubic feet capacity for extra cargo
- Waterproof PVC material keeps contents dry
- Flexible, soft design for easy storage and fit
Cons:- May require multiple straps for secure mounting
- Less rigid during high-speed travel, possibly affecting stability
Best for: Families needing large, waterproof storage with flexibility for different vehicle types
Not ideal for: Those preferring rigid, aerodynamic carriers or traveling at very high speeds regularly
- Capacity:20 cubic feet
- Material:PVC
- Dimensions:51.1” x 39” x 17”
- Includes:Anti-slip mat, mounting straps
Our verdict“This soft carrier is best for families seeking waterproof, large capacity with versatile fitting options for various vehicles.”
GarveeTech Rooftop Cargo Box Carrier, 165 LBS Capacity, Dual-Side Opening, Waterproof, UV-Resistant, Black
The GarveeTech Rooftop Cargo Box stands out for its combination of durability and practicality, offering a generous 12 cubic feet of weatherproof storage. Its dual-sided opening enhances convenience, especially when managing multiple family members’ gear. Unlike the larger but less aerodynamic options like the Roof Cargo Box, 26 Cubic Feet Capacity, this model balances capacity with improved fuel efficiency due to its sleek, aerodynamic shape. While its 1-year warranty is shorter than premium brands, its durable ABS shell ensures longevity for most family travels. The main tradeoff involves a potentially complex installation process, and verification of roof rack compatibility is recommended. This makes it a solid choice for families seeking a reliable, weather-resistant carrier without the bulk of larger models.
Pros:- Durable, weatherproof ABS construction
- Large 12 cubic feet capacity for family gear
- Dual-sided opening for easy access
- Aerodynamic design reduces fuel consumption and noise
Cons:- Requires verification of roof rack compatibility
- Limited warranty duration of one year
- Customer reviews indicate some difficulty with installation
Best for: Families who need a durable, weatherproof, and easy-to-access roof box for frequent road trips
Not ideal for: Users with very limited roof rack compatibility or those seeking a longer warranty period
- Material:ABS
- Capacity:12 cubic feet (340 L)
- Weight Capacity:165 lbs
- Dimensions:54.3 in L x 31.5 in W x 13.4 in H
- Color:Black
- Opening:Dual-sided
- Weather Resistance:Waterproof, UV-resistant
- Warranty:1 year
Our verdict“This cargo box provides a reliable balance of capacity, weather resistance, and ease of access for active families on the go.”
Roof Cargo Box, 26 Cubic Feet Capacity, Dual-Side Opening Design
This 26 cubic feet capacity roof cargo box excels in accommodating long gear like skis or snowboards, making it ideal for winter family trips. Its dual-side opening simplifies loading from either side, a convenience not matched by smaller boxes like the Thule Motion 3 Rooftop Box. Built from UV-resistant ABS and PMMA, it withstands tough weather, though its heavier weight may challenge solo handling. Its aerodynamic shape helps reduce wind noise and improve fuel efficiency, but installation can be cumbersome for first-timers. The limited color options and weight make it less suitable for lighter vehicles or quick setups. Overall, this model is better suited to families with ample storage needs and the strength to handle its size.
Pros:- Durable, weather-resistant construction
- Large 26 cubic feet capacity for long gear
- Easy dual-side access for loading and unloading
- Aerodynamic design enhances fuel efficiency
Cons:- Installation may be challenging for first-time users
- Heavy weight complicates handling alone
- Limited color options
Best for: Families carrying long equipment and seeking a high-capacity, weather-resistant carrier
Not ideal for: Small vehicles or those needing a lightweight, quick-install option
- Material:ABS and PMMA
- Capacity:26 cubic feet
- Dimensions:87.2 in L x 38.2 in W x 17.4 in H
- Weight Capacity:150 pounds
- Color:Black
- Opening:Dual-side
- Features:Safety lock with key
Our verdict“This model works best for families with significant gear and a need for long item storage, accepting some handling effort and installation time.”
Thule Motion 3 Rooftop Box
The Thule Motion 3 offers an aerodynamic profile that significantly reduces drag, making it ideal for those prioritizing fuel savings. Its easy mounting system with PowerClick and SlideLock provides quick, secure installation, especially compared to bulkier options like the Rooftop Cargo Carrier, 18 Cu Ft Heavy-Duty. The inclusion of accessories such as interior lighting and a protective liner adds convenience, though the lack of explicit capacity figures makes it less transparent for buyers needing precise volume details. Its high price may deter budget-conscious families, but its sleek design and user-friendly features justify the premium. This model is best for tech-savvy users who want a stylish, efficient, and feature-rich roof box for regular use.
Pros:- Aerodynamic design reduces drag and improves fuel economy
- Secure, easy-to-use mounting and locking system
- Includes interior lighting, liner, and storage cover
- Stylish appearance with premium build quality
Cons:- No explicit capacity details provided
- Higher price point compared to simpler models
- Limited info on vehicle compatibility
Best for: Tech-oriented families seeking a sleek, feature-packed roof box with excellent fuel efficiency
Not ideal for: Budget shoppers or those needing maximum capacity without premium features
- Design:Wing-shaped profile
- Features:PowerClick, SlideLock, torque indicator
- Accessories:Interior light, liner, cover
Our verdict“Ideal for families wanting a high-end, efficient roof box with smart features and sleek design, accepting the premium price.”
Hard Shell Roof Top Cargo Carrier Waterproof Travel Luggage Box
This 11 cubic feet capacity cargo box offers a straightforward, weather-resistant solution for families seeking extra space without a hefty price tag. Similar in weather protection to the GarveeTech, but with less capacity, it is ideal for adding modest storage. Its easy tool-free installation makes it accessible for quick setups, though its size limits its capacity for larger families or gear-heavy trips. The limited weight capacity of 110 lbs and basic locking system mean it’s less suited for heavy or bulky loads. This is a practical choice for those on a tight budget or with smaller vehicle setups, willing to accept some size limitations.
Pros:- Durable, weatherproof ABS plastic
- Easy to install without tools
- Secure lock for peace of mind
- Moderate 11 cubic feet capacity
Cons:- Limited capacity for larger families or bulky gear
- Designed only for vehicles with cross bars
- Challenging to open in cold weather
Best for: Budget-conscious families needing a weatherproof, easy-to-install roof box for light to moderate gear
Not ideal for: Families with large or heavy gear, or those seeking premium features and larger capacity
- Material:ABS plastic
- Capacity:11 Cubic feet
- Dimensions:53 x 34 x 15 inches
- Weight Capacity:110 lbs
- Color:Black
- Mounting Type:Universal cross bar fit
Our verdict“A cost-effective, weatherproof option suitable for small to medium gear loads on budget-minded family trips.”
14 Cubic Ft Hard Shell Roof Cargo Box, Gray
The 14 cubic feet capacity gray cargo box provides a practical balance between size and ease of use. Its dual-side opening simplifies access, especially when multiple family members are involved. Compared with the larger Roof Cargo Box, 26 Cubic Feet, this model is more manageable for smaller vehicles and easier to handle when fully loaded. Its secure lock system offers peace of mind, though it may be heavier when loaded, making handling more challenging. The tool-free installation process is straightforward, but its weight limits some users from quick reconfiguration. Overall, this model suits families prioritizing security and ease of access over maximum capacity.
Pros:- Spacious 14 cubic feet capacity
- Dual-side opening for convenience
- Secure anti-theft lock system
- Easy, tool-free installation
Cons:- Heavy when fully loaded
- Requires compatible roof bars
- Limited color options
Best for: Families seeking a secure, manageable, and easily accessible roof box for everyday trips
Not ideal for: Large families or those with extensive gear needs who require maximum capacity
- Material:ABS + PMMA
- Capacity:14 cubic feet
- Dimensions:62.52 in L x 32.48 in W x 13.19 in H
- Weight Support:130 lbs
- Color:Gray
Our verdict“This cargo box offers a good mix of security, capacity, and ease of access for families valuing convenience.”

How We Picked
The selection process focused on evaluating capacity, build quality, ease of installation, security features, and value for money. We prioritized models that balance large storage with user-friendly features, emphasizing durability for frequent family travel. Products were ranked based on how well they meet these criteria, considering real-world usability and customer feedback. Our goal was to identify options suitable for different budgets and needs, from everyday family outings to extended vacations.Factors to Consider When Choosing High Capacity Roof Box For Family Travel
When selecting a high capacity roof box for family travel, understanding key factors helps ensure you choose a product that matches your journey’s demands. Beyond size, consider how easy it is to mount and access, the durability of the shell, and compatibility with your vehicle. Recognizing these elements prevents costly mistakes and guarantees a smoother travel experience.Capacity and Size
Higher capacity models provide more room for luggage, which is essential for large families or long trips. However, larger boxes tend to be heavier and might influence vehicle handling and fuel economy. Measure your roof’s available space and consider your typical luggage volume to avoid overloading or fitting issues. Remember, a slightly smaller but easier-to-handle box can often be more practical than the largest available option.
Ease of Installation and Access
Dual-side opening designs greatly simplify loading and unloading, especially when space around your vehicle is limited. Some models feature quick-release clamps or tool-free mounting systems, saving time and effort. Pay attention to the mounting system’s compatibility with your roof rack, and check if the design requires professional installation. A well-designed roof box should offer straightforward access without compromising security or stability.
Build Quality and Durability
Heavy-duty shells made from reinforced plastics or composites tend to withstand harsh weather and rough handling better, providing longer service life. Cheaper models may crack or warp over time, especially under frequent use or in extreme conditions. UV resistance and waterproofing are also critical for protecting your belongings. Investing in a sturdy, weatherproof model often results in better value over the long term, but be aware that premium options come with a higher price tag.
Security Features
Locks and tamper-proof mechanisms are vital when leaving your vehicle unattended. Many high-capacity roof boxes include integrated locking systems that prevent theft, giving peace of mind during rest stops. Some models also feature reinforced shells and anti-theft mounting hardware. Skipping security features might save money initially but risks losing valuable luggage or damage to your vehicle, especially in busy or unsecured locations.
Price and Value
Budget options can be tempting, but they often compromise on durability, ease of use, or security. Conversely, premium models tend to offer better materials, features, and longevity, which can justify their higher price for frequent travelers. Consider how often you’ll use the roof box and choose a model that balances features with your budget. Sometimes, paying a bit more upfront results in fewer headaches and replacements down the line.
Frequently Asked Questions
Will a larger roof box affect my vehicle’s fuel efficiency?
Yes, increasing the size and weight of a roof box can impact your vehicle’s aerodynamics, leading to higher fuel consumption. Larger boxes add wind resistance, especially at highway speeds, which may reduce fuel economy. If fuel efficiency is a priority, opt for a slightly smaller, more aerodynamic model. Properly loaded and securely mounted, a high-capacity roof box balances space needs with minimal impact on your vehicle’s performance.
Are all high capacity roof boxes compatible with any roof rack?
Not all roof boxes fit every roof rack, as compatibility depends on mounting systems and roof types. Most models specify the type of roof rack they support, such as crossbars or specific mounting rails. It’s essential to measure your roof rack’s dimensions and check the product specifications before purchasing. Some brands offer adaptable mounting systems, but verifying compatibility ensures a secure fit and safe travel.
How important is weather resistance for a family travel roof box?
Weather resistance is critical for protecting your belongings from rain, snow, and UV exposure. A waterproof shell prevents water ingress, which is vital during long trips or in unpredictable weather. UV resistance prolongs the life of the shell, preventing cracks or fading over time. Investing in a well-sealed, weatherproof model helps keep your luggage dry and intact, saving you from potential stress and damage.
Should I prioritize capacity or ease of access when choosing a roof box?
Both are important, but your choice depends on your travel style. If you frequently load and unload luggage alone or in tight parking spaces, dual-side opening models offer significant convenience. However, if your trips involve packing large, bulky items, a bigger capacity might take precedence, even if it means sacrificing some ease of access. Balancing these factors based on your typical trips ensures a more satisfying purchase.
Is it worth investing in a premium roof box for family trips?
Premium roof boxes often feature stronger materials, better weatherproofing, enhanced security, and easier installation, which can justify the higher cost for frequent travelers or long-term use. They tend to last longer and handle rougher conditions better, reducing replacement costs over time. For occasional use, a mid-range model might be sufficient, but if your family regularly travels with lots of gear, investing in a premium option can pay off in durability and peace of mind.
Conclusion
For families seeking the best overall performance, the Thule Force 3 XL offers ample capacity, durability, and ease of use. Those on a budget should consider the SportRack Vista XL, which provides substantial space at an attractive price. Families prioritizing premium features and long-term durability will favor models like the Rooftop Cargo Carrier, 18 Cu Ft. Beginners or occasional travelers will find the 14 Cubic Ft Hard Shell Roof Cargo Box simple and effective, while large families with frequent trips should look at the highest-capacity options to maximize luggage space without sacrificing security or ease of access.Halloween Picks

9 ft Halloween Inflatable Haunted Castle with Dragon and Ghost

DomKom 6-Foot Halloween Inflatable Ghosts Roasting Marshmallows

Kalolary 12ft Halloween Witch Haunted House Inflatable Archway
As an affiliate, we earn on qualifying purchases.













