In order to keep this massive engine’s noise under wraps, GMC has improved engine bay insulation and sound reduction, using hydraulic engine mounts, oil pan covers, engine covers, fuel injection rates ...

Towing a 26-foot, 9,600-pound Jayco Eagle HT fifth-wheel trailer up the twisting 8 percent grade between Paradox and Telluride, Colo., can put a strain on a pickup truck as the elevation closes in on ...

New Duramax combined with interior sound suppression 'should put GM's marquee heavy-duty pickup on the radar of anyone who tows big trailers long distances’ PickupTrucks.com The all-new 6.6-liter LP5 ...

"Man, this thing is big," I thought to myself when I first got inside the 2017 GMC Sierra Denali 3500HD. It was a Friday night, and I had just got back from an eight-day trip in Canada, where we drove ...

The GMC Sierra Denali 2500HD is part of a wave of vehicles that would have seemed oxymoronic not all that long ago: the luxurious heavy duty pickup truck. GMC, Ford, Chevrolet, Dodge, and Nissan all ...

The 2017 GMC Sierra Denali 2500 HD is like an old friend that’s picked up a weight lifting hobby since you’ve seen them last. Largely looks the same, but there’s a mild hint of added fitness to their ...

Get an online offer in 2 minutes using our Sell My Car tool. Actual price and payments may be different due to local rebates, specials, fees, and credit qualifications. Consult your dealer for actual ...

General Motors, LLC (GM) is recalling certain 2017-2019 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 vehicles equipped with a dual fuel tank option. The rear fuel tank may collapse and ...

Despite a major change in GMC's engine configuration, VMAC's V900133 UNDERHOOD70 is engineered to fit Sierra's Duramax Diesel engine and chassis, while keeping the new truck warranty intact. VMAC's ...

VMAC has released the latest Underhood70 rotary screw air compressor system designed specifically for the 2017 GMC Sierra Duramax Diesel. Despite a major change in GMC’s engine configuration, VMAC’s ...

The 2017 GMC Sierra 2500 Denali HD strikes a monstrous pose thanks to a dominating grille and, with the all-new 6.6L Duramax Diesel engine, you have all the power you need to back it up. This is a ...

The words luxury and truck only recently began to be uttered in the same sentence, and in that short time, the array of posh pickups available has exploded. At GMC, nearly 50 percent of its trucks ...