Story perspectives

GM unveils 3.0-liter diesel Silverado, Sierra at 24 mpg

By Drooid · Sep 17, 2026, 10:35 PM UTC · How we work

Summary

GM Introduces Diesel Pickup

General Motors announced Silverado and Sierra pickups equipped with a new 3.0-liter diesel engine.
GM’s diesel Silverado and Sierra achieve 24 mpg, slightly above Ford’s four-wheel-drive hybrid F-150 at 23 mpg.
GM President Mark Reuss said diesel prices topped $6 per gallon but remain more efficient long-term.
GM also unveiled two larger V-8 engines for the redesign, promising lower tailpipe emissions.

Summary

NHTSA Probes GM

NHTSA opened a probe into GM's 6.2-liter V-8 after repeated failures.
GM executive chief engineer Norman Peralta said the redesigned V-8 should resolve the issues.
Silverado sales fell 4.6% in the first half of 2026.
Ram sales rose 19% amid supplier fires in early 2026.
Ford's F-Series revenue now exceeds many Fortune 100 firms, supporting its EV development.

History

Historical Context

Ford launched the 6.0-liter Power Stroke diesel in 2002, but widespread problems forced the company to drop the engine and introduce the dual-turbo 6.4-liter version in 2008. The reliability crisis set a benchmark that shaped later Power Stroke developments, such as the 6.7-liter engine debuted in 2011, influencing the broader pickup market.

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GM Introduces Diesel Pickup

General Motors announced Silverado and Sierra pickups equipped with a new 3.0-liter diesel engine.
GM’s diesel Silverado and Sierra achieve 24 mpg, slightly above Ford’s four-wheel-drive hybrid F-150 at 23 mpg.
GM President Mark Reuss said diesel prices topped $6 per gallon but remain more efficient long-term.
GM also unveiled two larger V-8 engines for the redesign, promising lower tailpipe emissions.

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