Those funny-looking, door-mounted mirrors on the 2020 GM HD trucks – Chevy’s 2020 Silverado HD and GMC’s 2020 Sierra HD – are actually quite functional.

2018 GMC Sierra 2500HD Denali Base Price: $58,945 Price As Tested: $71,035 Trim: Denali EPA Fuel Econ (City/HWY/Comb): NA Engine: 6.6L Duramax V-8 Horsepower: 445 @ 2,800 rpm Torque: 910 lb-ft ...

So with the all-new Sierras (1500 in 2019 and 2500/3500 in 2020), we had high hopes for delivering a third Billet Piston trophy. We weren't shocked when the Sierra 2500HD AT4 came really close to ...

Related: 2024 GMC Sierra HD: New Tech, New Interior, Same Mission The Sierra 2500 AT4X largely mirrors the 2024 Chevrolet Silverado 2500 ZR2 in that it’s only available as a four-wheel-drive ...

Get the latest in-depth reviews, ratings, pricing and more for the 2022 GMC Sierra 2500HD from Consumer Reports.