2006 Chevrolet Silverado 3500 LS 2dr Regular Cab 4WD LB DRW Trim Overview

Buyers who select the dual-rear-wheel setup are also advised to opt for one of the two more powerful engines. Choosing the 6.6 liter Duramax turbodiesel V8, which provides 360 horsepower and 650 pound-feet of torque. An 8.1 liter V8 is also available, offering 330 horses and 450 pound-feet of torque. Both of the optional power plants can be hooked up to either a six-speed manual or a heavy-duty Allison six-speed automatic. Properly equipped, a dual-wheel 3500 will haul an impressive 12,000-pounds.

Silverado's second tier LS (or LS1) trim is differentiated from the base level Work Truck by the addition of cruise control, a CD player and deluxe cloth upholstery. The LS is also equipped with dual-zone climate control.

While the Silverado 1500 and 2500 regular cabs are available with either of the two longer bed lengths, every 3500 comes with the longest option, measuring 97.6 inches.