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GM has announced an $11,400 option price for its new 8.3-liter Duramax diesel, which is $1,095 less than the cited diesel options from Ford and Ram. GM lists output at 555 horsepower and 1,230 lb-ft of torque; 2027 GM truck configurators were not yet available in the report, and the comparisons do not establish total vehicle prices.
General Motors has set the option price for its new 8.3-liter Duramax diesel at $11,400 over the standard gas V8, according to The Drive, putting the engine below the $12,495 diesel option prices cited for Ford and Ram. GM says the engine produces 555 horsepower and 1,230 lb-ft of torque, but the comparison is about the diesel-option price, not the total cost of a truck.
The announced option price is $1,410 more than the outgoing 6.6-liter Duramax, according to The Drive. The new engine is reported to make 85 more horsepower and 255 lb-ft more torque than the outgoing L5P Duramax. Compared with the standard gas V8, the report says it adds 143 horsepower and 758 lb-ft of torque.
The Drive compares GM’s output figures with Ford’s 6.7-liter Power Stroke V8, rated in the report at 500 horsepower and 1,200 lb-ft, and Ram’s 6.7-liter Cummins inline-six, listed at 430 horsepower and 1,075 lb-ft. The report gives each rival diesel an option price of $12,495, or $1,095 more than GM’s stated price. These figures are the report’s comparison; the supplied material does not provide independently sourced pricing details or full equipment comparisons.
GM’s Chevrolet and GMC build-and-price tools did not yet allow shoppers to configure a 2027 model-year truck when The Drive published its report. The article also notes that a GMC Sierra HD AT4X equipped with the new diesel would still cost about $102,000. That example underscores the difference between a comparatively lower engine-option price and an affordable finished truck.
A Lower Price for More Output
For heavy-duty truck shoppers choosing among diesel options, the stated $1,095 price gap could matter alongside towing-related specifications, performance and the truck’s overall configuration. On the figures reported, GM’s engine pairs a lower option price with higher horsepower and torque than the listed Ford and Ram engines. That makes the announced pricing notable, though it does not by itself establish which truck offers the best value for a particular buyer.
The engines are only one part of a purchase. Trim, drivetrain, packages, dealer charges and other equipment can change the final price, and the supplied report does not compare complete, equivalently configured trucks. Buyers will need to check actual build prices and specifications when the 2027 GM configurators become available.
Duramax 8.3L diesel engine for trucks
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How the Diesel Prices Compare
The Drive describes the new 8.3-liter engine as GM’s replacement for the 6.6-liter L5P Duramax in the comparison. Its report places the new option price $1,410 above the outgoing diesel’s price, while listing higher output for the new engine. The supplied material does not state the outgoing option’s full price, so it is not possible to calculate that figure from the difference alone.
The article identifies Ford and Ram as the closest Detroit competitors for this comparison and gives their diesel options a shared $12,495 price. Those listed prices provide the basis for the $1,095 difference, but the source does not detail model, trim or configuration assumptions for every price. The comparison should be read as an engine-option comparison rather than a complete market survey.
“The 8.3-liter will be an $11,400 option over the standard gas V8.”
— The Drive, reporting GM’s announced pricing
What Buyers Cannot Yet Verify
The report says GM’s Chevrolet and GMC configurators did not yet support 2027 model-year builds, limiting shoppers’ ability to check the diesel price in a full truck configuration. The supplied material also does not specify whether the cited Ford and Ram prices cover identical model years, trims, equipment or other charges. The $1,095 difference should not be treated as a confirmed gap between like-for-like vehicle totals.
GM’s stated engine output and option price are reported, but the source material does not provide independent testing, fuel-economy figures, towing ratings, availability dates or warranty details for the new engine. Those details, as well as final dealer pricing and the exact range of compatible GM models, remain unconfirmed here.
Awaiting Configurator Pricing
The next practical step for shoppers is the arrival of 2027 Chevrolet and GMC build-and-price tools that include the new Duramax. Those tools should help show how the option price applies across trims and configurations. Buyers can then compare complete vehicle prices and published specifications rather than relying only on the engine-option figures.
The supplied report does not give a date for the configurator launch or detailed availability information for the engine. Until GM publishes those details, the announced option price and the cited competitor figures remain the basis of the comparison.
Key Questions
What is GM’s announced price for the 8.3-liter Duramax?
The Drive reports that GM priced it at $11,400 over the standard gas V8. The report says this is $1,410 more than the outgoing 6.6-liter diesel option.
How does the option price compare with Ford and Ram?
The report lists Ford’s Power Stroke and Ram’s Cummins diesel options at $12,495 each, making them $1,095 more than GM’s stated option price. The source does not establish that these are identical truck configurations.
What are the new Duramax’s reported power figures?
The 8.3-liter Duramax is reported to produce 555 horsepower and 1,230 lb-ft of torque. Independent testing and other performance details are not provided in the supplied material.
Does the lower option price mean a GM truck is cheaper overall?
Not necessarily. The comparison concerns the diesel engine option, while final vehicle prices depend on the model, trim and configuration. The Drive cites an example of a diesel-equipped GMC Sierra HD AT4X costing about $102,000.
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