The biggest differences between the 5.3 and 6.2 GM engines

General Motors made V8s with 5.3-liter and 6.2-liter displacements. While they're under the same brand name, there are a few ...
GM Authority

Here May Be Why Your 2023-2025 GMC Terrain Has Reduced Engine Power

Loss of engine power is an ongoing issue for certain GMC Terrain vehicles, with 2018 through 2022 GMC Terrain units previously experiencing the problem. If you own a 2023 through 2025 GMC Terrain and ...