GMC Sierra is taking premium to the next level with its new carbon fiber bed, 3.0L Duramax turbo-diesel and 10-speed automatic transmission, plus additional technology like Adaptive Cruise Control.

A new 3.0 Duramax turbo-diesel added to CarbonPro Edition propulsion options, previously offered only with 6.2L V8. The 3.0L Duramax produces an SAE-certified 277 horsepower and 460 lb-ft of torque. Duramax delivers the maximum 460 lb-ft of torque at just 1500 rpm, perfectly suiting the engine for off-road use in the Sierra AT4. That amount of torque at such a low engine speed — and the truck’s driving range — adds another level of capability to the Sierra’s most off-road-focused package ever.

For 2020, the 3.0L Duramax is now available in conjunction with the CarbonPro Edition of the Denali and AT4 models, pairing the innovative turbo-diesel engine with the industry’s first carbon fiber bed for the first time.


– Enhanced ProGrade Trailering
– Adaptive Cruise Control
– 3.0L Duramax turbo-diesel and the CarbonPro Editions
– 10-speed automatic transmission
– New trailer tow mirrors

2020 GMC Sierra Denali CarbonPro Edition


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