Redesigned 2021 GMC Yukon gets a diesel, AT4 model, Denali-exclusive interior
Redesigned 2021 GMC Yukon gets a diesel, AT4 model, Denali-exclusive interior GMC’s most robust family hauler is getting a complete redesign for the 2021 model year, including a new, off-road centric AT4 model, an upscale interior exclusive to its…