**RUNS AND LOT DRIVES**Duramax 6.6L V-8 diesel direct injection, intercooled turbo, diesel, engine with 397HP, Allison 6-speed automatic, Axle Ratio: gt4 axle,rear,3.73 ratio 3.73r(gt4), POWER WINDOWS, POWER SLIDING REAR WINDOW, Style:4WD Crew Cab 167.7" Denali, Cooled Front Seats: Ventilated driver and front passenger seats, Power folding door mirrors