The 2.8L Duramax is an inline 4 cylinder, variable geometry turbocharged diesel featuring a high pressure common rail injection system and dual overhead camshaft design. The unit produces 181 horsepower and 369 lb-ft of torque, which helps substantiate the fact that these pickups, properly equipped, will be rated to tow up to 7,700 lbs. At only 170 cubic inches, the Duramax powered Colorado and Canyon are expected to increase the gap on their already segment leading fuel economy.
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