The diesel engine makes as much as 1,075 pounds-feet of torque in the 3500. Rear-wheel drive is standard ... and a Trailer Reverse Steering Control system that aids in positioning a trailer ...

plus larger 18-inch polished-aluminum wheels available on dual-rear-wheel 3500 models — and if you like, you can even specify new 22-inch accessory wheels for extra bling. The Sierra HD also has ...