General Motors Bets on Diesel for New Pickups as Rivals Go Hybrid

General Motors is doubling down on diesel power for its next-generation light-duty pickup trucks, a move that contrasts sharply with rivals Ford and Stellantis, which are leveraging hybrid technology to boost fuel economy. The automaker announced Thursday it will launch redesigned versions of its Chevrolet Silverado and GMC Sierra trucks in the fourth quarter, featuring an improved diesel engine option.

GM's Diesel Strategy

The upcoming models represent the first major redesign since 2019 for the Silverado and Sierra, which together are GM's top-selling vehicles globally and a primary driver of the company's profits. GM said the updated 3.0-liter diesel engine, when paired with an optional larger fuel tank, will provide a highway driving range of more than 900 miles.

GM President Mark Reuss positioned the strategy as a distinct alternative to competitors. "It’s a bit different than adding a hybrid system to an existing powertrain and trying to get the efficiency out of something like that," Reuss said during a media briefing, acknowledging that while diesel prices are currently high, the company is betting on the long-term efficiency of the technology.

A Divergent Path in a Competitive Market

GM's decision places it at odds with its main competitors in the lucrative U.S. pickup market, where GM, Ford, and Stellantis control over 90% of sales. Ford previously discontinued the diesel engine option for its F-150 in favor of a hybrid model, which it said offered a better combination of power and fuel efficiency. Stellantis's Ram brand has also announced plans for an extended-range hybrid pickup truck.

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This strategic split marks the next phase in the fierce competition among Detroit's automakers. While GM focuses on diesel, it also announced that the redesigned trucks will offer two new, more powerful V-8 gasoline engines with lower emissions.

The Economics of Diesel vs. Hybrid

Diesel engines typically offer superior highway mileage, but the financial calculus for consumers is complex due to fluctuating fuel prices. A comparison based on federal ratings highlights the trade-offs:

• GM's current four-wheel-drive diesel trucks achieve an average of 24 miles per gallon.
• Ford's four-wheel-drive hybrid F-150 is rated at 23 miles per gallon.

However, with diesel fuel often priced higher than gasoline, the cost of ownership can be greater. Based on federal estimates of 15,000 miles driven annually, owners of the GM diesel trucks could pay about $1,050 more per year in fuel costs compared to the Ford hybrid, according to the source material.