2016 Chevrolet Colorado with the 2.8L Duramax

31 mpg highway rating - Most efficient Pickup in North America The 2016 Colorado diesel 2WD offers an EPA estimated 22 mpg city and 25 mpg combined. The 4WD model offers an EPA estimated 20 mpg city and 23 mpg combined. Colorado Duramax diesel?s fuel economy complements segment-leading capability, including maximum trailering ratings of up to 7,700 pounds on 2WD models and up to 7,600 pounds (3,447 kg) for 4WD models with the available trailering package. Colorado?s all-new 2.8L Duramax turbo-diesel engine generates 181 hp and 369 lb-ft of torque. It is paired with the Hydra-Matic 6L50 six-speed automatic transmission, which uses a unique Centrifugal Pendulum Vibration Absorber in the torque converter to reduce powertrain noise and vibration.