General Motors made us wait a year for its*Duramax four-cylinder diesel, but*this*fall it will join the Ram 1500 EcoDiesel as only the second compression-ignition engine offered to U.S. pickup buyers outside*the heavy-duty segment. For 2016, the Chevrolet Colorado and GMC Canyon gain this third engine choice beyond their 200-hp 2.5-liter inline-four and 305-hp 3.6-liter V-6. […]
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