Seller Comments
GMC Denali 2500HD 4WD. Summit White. Duramax 6.6L turbo-diesel V8, 445 horsepower, 910 pound-feet of torque (1234nm) Allison 10-speed automatic transmission with tow haul mode. GMCâs 2500HD Sierra Denali boasts an array of electronic gear to enhance drivability, towing and off-roading. AVAILABLE NOW!!