The 2026 Sierra EV AT4 gets more clearance, bigger tires, and Terrain mode. So, is it enough for it to tackle old man winter?

General Motors easily commands the US automotive market, having sold 2.2 million vehicles through the first three quarters of the year, a 10 percent increase compared to the same period last year.

As General Motors' premium brand, GMC's "Elevation" model certainly elevates models from the base level, if you'll forgive the pun. Maybe they feel simple when compared to the Denali trims, but ...

GMC, itself one of General Motors' four main brands, has become host to a motley collection of sub-brands of its own. The luxurious Denali, created 25 years ago, has been a huge success as a top-tier ...

GM Authority is taking a closer look at the Chevy Silverado ZR2 and GMC Sierra AT4, comparing the off-roaders' exterior ...