Engines

Trim Level Horsepower Torque
(lb-ft.)
SLE(3SA
pkg.)		 SLE(3SB
pkg.)		 SLT(4SA
pkg.)		 SLT(4SB
pkg.)
Vortec 4.8L V8 SFI, (295 hp [220.0 kW] @ 5600 rpm, 305 lb-ft torque [411.8 N-m] @ 4600 rpm), iron block Standard Not Available Not Available Not Available 295 305
Vortec 5.3L V8 SFI with Active Fuel Management , (320 hp [238.6 kW] @ 5200 rpm, 340 lb-ft of torque [459.0 N-m] @ 4200 rpm), iron block Available Standard Standard Standard 320 340
Vortec 5.3L V8 SFI FlexFuel with Active Fuel Management, capable of running on unleaded or up to 85% ethanol , (320 hp [238.6 kW] @ 5200 rpm, 340 lb-ft of torque [459.0 N-m] @ 4200 rpm), iron block Available Available Available Available 320 340

Mechanical

  SLE SLT
3SA
  pkg.		 3SB
  pkg.		 4SA
  pkg.		 4SB
  pkg.
Air cleaner, high-capacity Not Available Not Available Available Available
Alternator, 160 amps Standard Standard Standard Standard
Brakes, 4-wheel antilock, 4-wheel disc Standard Standard Standard Standard
Cooling, auxiliary external transmission oil cooler, heavy duty air-to-oil Available Available Available Available
Cooling, external engine oil cooler, heavy-duty air-to-oil, integral to driver side of radiator Available Available Available Available
Differential, heavy duty locking rear Standard Standard Standard Standard
Engine block heater Available Available Available Available
Exhaust, aluminized stainless-steel muffler and tailpipe Standard Standard 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 Not Available Not Available Available Available
StabiliTrak, stability control system with traction control Standard Standard Standard Standard
Steering, power Standard Standard Standard Standard
Transfer case, active, 2-speed with push-button controls (4WD models only) Standard Standard Standard Standard
Transmission, 6-speed automatic , electronically controlled with overdrive, tow/haul mode and tap up/tap down shifting
Transmission, 4-speed automatic, electronically controlled with overdrive and tow/haul mode Standard Not Available Not Available Not Available

Transmission

Features  SLE SLT
3SA
  pkg.		 3SB
  pkg.		 4SA
  pkg.		 4SB
  pkg.
Rear axle, 3.08 ratio Standard Standard Standard Standard
Rear axle, 3.23 ratio Standard Not Available Not Available Not Available
Rear axle, 3.42 ratio Standard Standard Standard Standard
Transmission, 4-speed automatic, electronically controlled with overdrive and tow/haul mode Standard Not Available Not Available Not Available
Transmission, 6-speed automatic , electronically controlled with overdrive, tow/haul mode and tap up/tap down shifting Standard Standard Standard Standard

Steering

Turning Diameter  Yukon
Turning diameter, curb-to-curb, ft 39.0
Features  SLE SLT
3SA
  pkg.		 3SB
  pkg.		 4SA
  pkg.		 4SB
  pkg.
Differential, locking, heavy duty, rear Standard Standard 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) Not Available Not Available Available Available
StabiliTrak, stability control system with traction control Standard Standard Standard Standard
Steering, power Standard Standard Standard Standard
Suspension, front coil-over-shock with stabilizer bar Standard Standard Standard Standard
Suspension, rear multi-link with coil springs Standard Standard Standard Standard
Suspension Package, Premium Smooth Ride Standard Standard Standard Standard
Suspension Package, Autoride, bi-state variable shock dampening and rear air-assisted load-leveling, includes automatic air level control Not Available Not Available Available Available
Suspension Package, Off-Road Not Available Not Available Available Available
Tow/Haul mode Standard Standard Standard Standard
Transfer case, active, 2-speed with push-button controls (Requires 4WD models) Standard Standard Standard Standard

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