Under the hood lies a supercharged 6.8L V8, which appears to be a bored-out version of a 6.2L V8 L87 like the one in the 1,000-hp variant of SVE’s Sport Edition GMC Sierra. Other engine upgrades, in ...
The AT4 and Denali trim levels are being added to the 2026 GMC Terrain lineup, and GM Authority has exclusively uncovered ...
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