The standard features of the Chevrolet Silverado 3500HD LT include 6.6L V-8 401hp engine, 6-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, curtain 1st and 2nd row overhead airbags, airbag occupancy sensor, air conditioning, 18" aluminum wheels, cruise control, ABS and driveline traction control, four-wheel drive.