General Motors Atlas engine
…debuted in 2002 with the Oldsmobile Bravada, and is used in the Buick Rainier, the Chevrolet TrailBlazer and Colorado, the GMC Envoy and Canyon, the Hummer H3, Isuzu Ascender and i-370, and the Saab 9-7X. The engines use GM's Vortec name, with straight-4, straight-5, and straight-6 engines all part of the…