Update1 – 2015 Chevrolet Colorado ZR2 Concept Runs 2.8L DuraMax Diesel
 The new Chevrolet Colorado mid-size trucks seem just about pitch-perfect for many reluctant truck buyers. People who want to park easily both in the city and in their garages adore the Colorado’s right-sized approach and also love its Z71 off-road trim levels for added butchness and off-road-ability. The 2.8-liter turbodiesel engine has been confirmed by GMC and Chevrolet as coming to the Canyon and Colorado in a few months — so this ZR2 concept is a blend of real and fantasy. The ZR2 concept truck brings a cool and futuristic front end, revised styling all around the lower sills …