Among the wide range of American automakers, two names stick out as top manufacturers of trucks and SUVs: GMC and Chevrolet. Both companies were established in 1911. General Motors Company, or GMC, ...
When the off-road focused Sierra AT4X debuted, it was equipped with just a single engine option: GMC's premier 420-hp, 6.2-liter V-8. However, since the introduction of the rugged AT4 trim in 2019 ...