Truck Trend is the source for official specifications, payload, towing capacity, and other information that matters to real truck users. Check out the latest info for the GMC Yukon, Yukon XL 1500 and Yukon XL 2500; Yukon Denali and Yukon XL Denali. The GMC Yukon is available with four engine options; 5.3L V-8 FlexFuel (LMG), 5.3L V-8 FlexFuel (LC9), 6.0L V-8 FlexFuel, and 6.2L V-8 FlexFuel engines matted with a six-speed automatic transmission.


2011 GMC Yukon Techinical Specifications
Overview
Models: GMC Yukon, Yukon XL 1500 and Yukon XL 2500; Yukon Denali and Yukon XL Denali
Body style / driveline: 4-door sport utility, front-engine, 2WD or 4WD
Construction: body on frame
EPA vehicle class: full-size sport utility
Manufacturing locations: Arlington, Texas
Engines
  Vortec 5.3L V-8 FlexFuel (LMG) Vortec 5.3L V-8 FlexFuel (LC9) Vortec 6.0L V-8 FlexFuel (L96) Vortec 6.2L V-8 FlexFuel (L94)
Type: 5.3L V-8 5.3L V-8 6.0L V-8 6.2L V-8
Displacement (cu in / cc): 325 / 5328 325 / 5328 364 / 5967 376 / 6162
Bore & stroke (in / mm): 3.78 x 3.62 / 96 x 92 3.78 x 3.62 / 96 x 92 4.00 x 3.62 / 101.6 x 92 4.06 x 3.62 / 103.25 x 92
Block material: cast iron cast aluminum cast iron cast aluminum
Cylinder head material: cast aluminum cast aluminum cast aluminum cast aluminum
Valvetrain: overhead valve, two valves per cylinder, variable valve timing, Active Fuel Management overhead valve, two valves per cylinder, variable valve timing, Active Fuel Management overhead valve, two valves per cylinder, variable valve timing, Active Fuel Management overhead valve, two valves per cylinder, variable valve timing Active Fuel Management
Ignition system: coil-near-plug ignition, iridium electrode tip/ iridium core spark plugs, low resistance spark plug wires coil-near-plug ignition, iridium electrode tip/ iridium core spark plugs, low resistance spark plug wires coil-near-plug ignition, iridium electrode tip/ iridium core spark plugs, low resistance spark plug wires coil-near-plug ignition, iridium electrode tip/ iridium core spark plugs, low resistance spark plug wires
Fuel delivery: sequential fuel injection sequential fuel injection sequential fuel injection sequential fuel injection
Compression ratio: 9.9:1 9.9:1 9.6:1 10.4:1
Horsepower (hp / kW @ rpm): 320 / 239 @ 5400* (gas – Yukon and Yukon XL)
326 / 243 @ 5300* (E85 – Yukon and Yukon XL)
320 / 239 @ 5400* (gas – Yukon and Yukon XL)
326 / 243 @ 5300* (E85 – Yukon and Yukon XL)
352 / 262 @ 5400* 403 / 301 @ 5700*
Torque (lb-ft / Nm @ rpm): 335 / 454 @ 4000* (gas)
348 / 472 @ 4400* (E85)
335 / 454 @ 4000* (gas)
348 / 472 @ 4400* (E85)
382 / 518 @ 4200* 417 / 565 @ 4300*
Fuel: regular unleaded or E85 regular unleaded or E85 regular unleaded or E85 premium recommended, but not required; or E85
Maximum engine speed (rpm): 6000 6000 6000 6000
Emissions controls: close-coupled catalytic converter, 58X ignition, returnless fuel rail, fast-response O² sensor close-coupled catalytic converter, 58X ignition, returnless fuel rail, fast-response O² sensor close-coupled catalytic converter, 58X ignition, returnless fuel rail, fast-response O² sensor close-coupled catalytic converter, 58X ignition, returnless fuel rail, fast-response O² sensor
EPA estimated fuel economy (city / hwy): Yukon 2WD: 14 / 20 (gas)
Yukon 4WD: 14 / 19 (gas)
Yukon XL 2WD: 14 / 20 (gas)
Yukon XL 4WD: 14 / 19 (gas)
Yukon 4WD: 14 / 19 (gas) Yukon XL 2WD: 12 / 17 (gas)
Yukon XL 4WD: 12 / 17 (gas)
2WD: 12 / 19 (gas)
4WD: 12 / 18 (gas)
Transmissions
  Hydra-Matic 6L80, 6-spd automatic Hydra-Matic 6L90, 6-spd automatic
Gear ratios (:1):
First: 4.03 4.03
Second: 2.36 2.36
Third: 1.53 1.53
Fourth: 1.15 1.15
Fifth: 0.85 0.85
Sixth: 0.67 0.67
Reverse: 3.06 3.06
Final drive ratio: 3.42 3.73
Chassis / Suspension
Front: independent, coil over shock; Autoride real-time damping (opt.)
Rear: 5-link with coil springs ( Yukon and Yukon XL 1500); multi-leaf springs (Yukon XL 2500)
Traction assist: all-speed traction control
Steering type: power-assisted rack-and-pinion
Steering ratio: 17.75:1 (Yukon and Yukon XL 1500, Denali models)
TBD (Yukon XL 2500)
Steering wheel turns, lock-to-lock: 3 (Yukon and Yukon XL 1500, Denali models)
TBD (Yukon XL 2500)
Turning circle, curb-to-curb (ft / m): 39.04 / 11.9 (Yukon, Denali)
43.0 / 13.1 (Yukon XL 1500, Yukon XL Denali)
45.3 / 13.8 (Yukon XL 2500)
Brakes
Type: four-wheel disc, four-wheel ABS (Yukon and Yukon XL 1500); four-wheel disc, four-wheel ABS with hydroboost (Yukon XL 2500)
Rotor diameter x thickness (in / mm): front: 13 x 1.18 / 330 x 30 (1500, Denali models)
rear: 13.5 x 0.79 / 345 x 20 (1500, Denali models)
Wheels / Tires
Wheel size and type: 17 x 7.5-inch machined cast aluminum
17 x 7.5-inch machined forged aluminum, 8-lug (Yukon XL 2500)
20 x 8.5-inch polished aluminum
20 x 8.5-inch chrome-clad aluminum
Tires: P265/70R17 blackwall Bridgestone all-season radial
LT265/70R17 on-/off-road, radial (Yukon XL 2500)
P265/65R18-112S all-season radial
P275/55R20 blackwall Bridgestone all-season radial