Duramax 6.6L Biodiesel Turbo V8 445hp 910ft. lbs.
Allison 1000 6-Speed Shiftable Automatic
4x4 Denali 4dr Crew Cab SB
Listed MPG is the EPA estimated average city/highway MPG. Odometer mileage listed as of date stocked. Actual mileage may vary due to transportation, delivery and test drives. See dealer for full details and information.