Subscribe to a magazine

Engine Bay View

Back to article View Gallery
2 of 3
The Colorado's Vortec 3500 I-5 is basically five-sixths of the 4200 Six found in the Trailblazer/Envoy SUV. The sequentially injected DOHC mill puts out an estimated peak 220 hp at 5,600 rpm and 225 lb-ft of torque at 2,800 rpm.