Duramax 6.6L V8 Turbocharged, 4WD, ABS brakes, Alloy wheels, Body-Colored Power-Adjust Heated Outside Mirrors, Dual-Zone Automatic Climate Control, Emergency communication system, Front dual zone A/C, Heated door mirrors, Heated front seats, Low tire pressure warning, and Remote keyless entry. If you've been hunting for just the right 2007 GMC Sierra 2500HD, well stop your search right here. This is the handsome, luxury truck that is sure to wrap you in comfort. Whether you're sitting in the driver's seat or standing next to this 2500HD SLT, you'll be impressed how quiet the turbocharged Duramax 6.6L V8 is. Sure, it's still a diesel, but the normal noises are significantly muted at idle. The engine is also quiet at highway speeds, where it's effortlessly strolling along under 2000rpm. Glenbrook Dodge Chrysler Jeep-the highest rated dealer in the State. Located under the big American flag.