More on GM’s 2.8L Duramax Diesel The 2021 Chevrolet Colorado Loses Base Model, Gains Huge Price Increase Seven Interesting Facts on the 2016 Chevrolet Colorado Duramax Diesel Just when midsize-truck enthusiasts were really becoming “one” with GM’s 2.8L Duramax LWN I-4 engine, it appears the torquey turbodiesel may be going away, along with the optional 3.6L

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