Gmc At4 Diesel 2020. 2020 GMC Sierra HD Denali and AT4 first drive The Takeaway The GMC Sierra when equipped with a 30-liter Duramax diesel is a seriously refined and potent light-duty workhorse. We put a diesel-powered 2020 GMC Sierra 2500 AT4 through our Michigan fuel-economy route.
A week behind the wheel confirmed the obvious. Ad Find Your 2020 GMC At A Great Price. Heres how it performed.
New AT4 and Denali CarbonPro Editions debuted with carbon-fiber composite cargo bed.
While the Ram TRX and Ford Raptor still get most the attention among truck fans the 2020 GMC Sierra AT4 is really hitting the sweet spot of adding off-road ability to a stock pickup for most consumers. Furthermore the AT4 is fitted with the new Multipro tailgate system. The 2020 Sierra AT4 is even comfortable on the road. Payload and tow a.
