ST. JOHN'S, Newfoundland — General Motors is delivering on its promise to better distinguish the GMC Sierra from its sibling, the Chevrolet Silverado, offering technology and amenities that go well beyond the usual cosmetic differences.
ST. JOHN'S, Newfoundland — General Motors is delivering on its promise to better distinguish the GMC Sierra from its sibling, the Chevrolet Silverado, offering technology and amenities that go well beyond the usual cosmetic differences.