- Oct 10, 2018
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The 3.0L Duramax turbo-diesel is available on the LT, RST, LTZ and High Country trims. For the LTZ and High Country, the 3.0L Diesel is a $2,495 option, identical to that of the 6.2L V-8. For the LT and RST, it is a $3,890 increase over a 2.7L Turbo engine.