Cadillac at 1-800-458-8006, Chevrolet at 1-800-222-1020, GMC at 1-800-462-8782, Oldsmobile at 1-800-442-6537, or Pontiac at 1-800-762-2737. Share your opinion on the 2003 Buick LeSabre.

Received my 2004 LeSabre Limited from a relative who could ... I have no complaints with this vehicle. Buick is one of my favorite vehicles. Also, the 3800 series is one of the best motors!

In 2024, GM Authority exclusively brought you the first details about GM’s next-generation full-size half-ton pickup trucks – the Chevy Silverado 1500 and GMC Sierra 1500. Now, our spies have ...

Big changes are afoot at GM, with plans to fully electrify its light-duty vehicle lineup by 2035 and a range of interesting new models hitting the limelight. Even GM’s bread-and-butter pickup ...