Exhaust, aluminized stainless-steel muffler and tailpipe
Engine, 4.3L V6 with Direct Injection and Variable Valve Timing, includes aluminum block construction (276 hp [206 kW] @ 5200 rpm, 298 lb-ft of torque [404 Nm] @ 3900 rpm) (Reference the Engine/Axle page for availability.)
Transmission oil cooler, external (Not available with (LWN) 2.8L Duramax Turbo-Diesel engine.)
Cooling, external engine oil cooler (Not available with (LWN) 2.8L Duamax Turbo-Diesel engine.)
Alternator, 105 amps (Not available with (Y3H) Paratransit Package, (C69) rear air conditioning, (9L7) Wiring junction block equipment accessory, (5BV) Upfitter electrical provisions or (LWN) 2.8L Duramax Turbo-Diesel engine.)
Rear axle, 3.42 ratio (Reference the Engine/Axle page for availability.)
GVWR, 8600 lbs. (3901 kg) (Reference the Engine/Axle page for availability.)
Battery, 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
Frame, full-length box ladder-type
Suspension, rear hypoid drive axle with multi-leaf springs
Suspension, front independent with coil springs and stabilizer bar
Fuel tank capacity, mid-frame and approximately 31 gallons (117.3L)
Steering, power
Rear wheel drive
Hill start assist
Brakes, 4-wheel antilock, 4-wheel disc