Several GMC trucks and SUVs have an AT4 trim. We explain what that means and what comes with that package in GMC’s trucks.

Morgan Freeman is a highly successful and popular Hollywood actor. Here's a chance to check out photos of Freeman's $145K car ...

GMC Savana continues GM's oldest platform, but GM Authority has learned that production of the van's next model year will be slightly delayed.

If you were to have your 5-year-old Silverado 1500 High Country valued today, after owning it for five years, keeping it in ...