REPORT: GM 4.5L light-duty diesel V8 "indefinitely postponed"
The 4.5-liter Duramax diesel sounds terrific on paper, with a 25% improvement in fuel economy, 310 horsepower and 525 lb-ft of torque for towing, and an innovative design that cuts weight while also saving $600 per engine. The news will be difficult for fans of the Chevrolet Silverado and GMC Sierra anxiously waiting for a diesel engine in a light duty pickup truck. Still, GM points out that it has a dual-mode hybrid truck that can achieve 40% better fuel economy in the city, along with a full line of gasoline and diesel engine offerings in its truck lineup.
While the 4.5-liter diesel isn't going into GM trucks and SUVs any time soon, the General says it would still consider license the technology to a third party if the deal was beneficial to all involved.
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