2023 Gmc Sierra 2500hd Horsepower Gmc at4 5th 2020 gmc sierra 2500 hd at4 vin: 1gt49pey4lf160222 2020 GMC Sierra 2500 Hd AT4 VIN: 1GT49PEY4LF160222 - CLASSIC.COM 2020 GMC Sierra 2500 Hd AT4 VIN: 1GT49PEY4LF160222 - CLASSIC.COM Check Details ← 2023 Gmc Sierra 2500hd Double Cab 2023 Gmc Sierra 2500hd Pro → Share with friends Link copied