If you check the interior part of the SLE and SLT, you will find out that there are distinctions in the infotainment system. While the SLE has a 7-inch infotainment center, the SLT comes with an 8-inch infotainment center. The GMC Terrain SLT has more interior attributes compared to the SLE Terrain. The SLT Terrain has a remote switch, heated seats, and heated steering wheels, while the SLE doesn't. There are glaring differences in the exterior parts of the SLE and SLT Terrains. The SLT comes with extra chrome accents, extra-large wheels, side mirrors with different body colors, and inserted side mirrors. Meanwhile, the SLE Terrain has only a black side mirror and the standard 17-inch all-season black wall tires. The SLT has several notable features that are not available in the SLE.