A detailed look at the 2023 GMC Terrain’s trim levels

The 2023 GMC Terrain is part of the model’s second generation, and it comes in four different trims, the SLE, SLT, AT4, and Denali. A reliable mid-size SUV with an upscale interior that looks and feels far more expensive than Terrain’s $30,000 entry price tag. Built with a single engine choice, the 2023 Terrain offers …