Engines

Trim Level Horsepower Torque
(lb-ft.)
SLE SLT
Vortec 5.3L V8 SFI FlexFuel with Active Fuel Management, capable of running on unleaded or up to 85% ethanol , (with gas - 320 hp @ 5400 rpm 335 lb-ft of torque @ 4000 rpm), iron block Available Available 320 335

Mechanical

  SLE SLT
3SA 4SA
Air cleaner, high-capacity Available Available
Alternator, 160 amps Standard Standard
Brakes, 4-wheel antilock, 4-wheel disc Standard Standard
Cooling, auxiliary external transmission oil cooler, heavy duty air-to-oil, high capacity cooling fans Available Available
Cooling, external engine oil cooler, heavy-duty air-to-oil, integral to driver side of radiator Available Available
Differential, heavy duty locking rear Standard Standard
Engine block heater Available Available
Exhaust, aluminized stainless-steel muffler and tailpipe Standard Standard
StabiliTrak, stability control system with traction control Standard Standard
Steering, power Standard Standard
Transfer case, active, single-speed, electronic Autotrac with rotary controls. Standard Standard
Transfer case, active, 2-speed with push-button controls (4WD models only) Available Available
Transmission, 6-speed automatic , electronically controlled with overdrive, tow/haul mode and tap up/tap down shifting Standard Standard
Skid Plate Package, includes front underbody shield starting behind front bumper and running to first cross-member, protecting front underbody, oil pan, differential case and transfer case, frame-mounted shields (requires 4WD models) Available Available

Transmission

Features  SLE SLT
3SA 4SA
Rear axle, 3.08 ratio Standard Standard
Rear axle, 3.42 ratio Available Available
Transmission, 6-speed automatic , electronically controlled with overdrive, tow/haul mode and tap up/tap down shifting Standard Standard
Tow/Haul mode Standard Standard

Steering

Turning Diameter  Yukon
Turning diameter, curb-to-curb, ft 39.0
Features  SLE SLT
3SA 4SA
StabiliTrak, stability control system with traction control, requires Z71 Off-Road Suspension package Standard Standard
Steering, power Standard Standard
Suspension, front coil-over-shock with stabilizer bar Standard Standard
Suspension, rear multi-link with coil springs Standard Standard
Suspension Package, Premium Smooth Ride Standard Standard
Suspension Package, Autoride, bi-state variable shock dampening and rear air-assisted load-leveling, includes automatic air level control Not Available Available
Z71 Suspension Package, Off-Road Available Available

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