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 2011 Buick Enclave mid-size SUV. The Enclave features a 3.6L V-6 (288- 215 hp @ 6300 rpm) engine mated with a 6-speed FWD/AWD automatic transmission.


2011 Chevrolet Avalanche Technical Specifications
Overview
Models: Chevrolet Avalanche LS, LT and LTZ
Body style / driveline: 4-door sport utility vehicle/pickup, front-engine, 2WD or 4WD, half-ton models
Construction: body on frame
EPA vehicle class: half-ton truck
Manufacturing locations: Silao, Mexico
Engines
  Vortec 5.3L V-8 FlexFuel (LMG) Vortec 5.3L V-8 FlexFuel (LC9)
Type: 5.3L V-8 5.3L V-8
Displacement (cu in / cc): 325 / 5328 325 / 5328
Bore & stroke (in / mm): 3.78 x 3.62 / 96 x 92 3.78 x 3.62 / 96 x 92
Block material: cast iron cast aluminum
Cylinder head material: 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
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
Fuel delivery: sequential fuel injection sequential fuel injection
Compression ratio: 9.9:1 9.9:1
Horsepower (hp/ kW @ rpm): 320 / 239 @ 5400* (gas)
326 / 243 @ 5300* (E85)
320 / 239 @ 5400* (gas)
326 / 243 @ 5300* (E85)
Torque (lb-ft / Nm @ rpm): 335 / 454 @ 4000* (gas)
348 / 472 @ 4400* (E85)
335 / 454 @ 4000* (gas)
348 / 472 @ 4400* (E85)
Fuel: regular unleaded or E85 regular unleaded or E85
Max. engine speed (rpm): 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
EPA estimated fuel economy (city / hwy): 14 / 20 (gas) 14 / 20 (gas)
10 / 15 (E85) 10 / 15 (E85)
Transmission
  Hydra-Matic 6L80, six-speed automatic
Gear ratios (:1):
First: 4.03
Second: 2.36
Third: 1.53
Fourth: 1.15
Fifth: 0.85
Sixth: 0.67
Reverse: 3.06
Final drive ratio: 3.08 (std.); 3.42 (opt.)
Chassis / Suspension
Front: independent, coil over shock; Autoride real-time damping (std. on LTZ)
Rear: five-link with coil springs; Autoride real-time damping (std. on LTZ)
Traction assist: all-speed traction control
Steering type: power-assisted rack-and-pinion
Steering ratio: 17.75:1
Steering wheel turns, lock-to-lock: 3
Turning circle, curb-to-curb (ft / m): 43.0 / 13.1
Brakes
Type: four-wheel disc, four-wheel ABS
Rotor diameter x thickness (in / mm): front: 13 x 1.18 / 330.2 x 30
rear: 13.5 x .787 / 345 x 20
Wheels / Tires
Wheel size and type: 17 x 7.5-inch machined cast aluminum, silver sparkle accent (LS, LT)
18 x 8.0-inch machined aluminum (Z71 package)
20 x 8.5-inch polished aluminum (opt. LS, LT; std. LTZ)
20 x 8.5-inch chrome clad (opt. LTZ)
Tires: P265/70R17 blackwall Goodyear AL2 (all-season) steel belt radials
P265/70R17 blackwall Bridgestone OOR (on-off-road) steel belt radials (export only)
P265/65R18 blackwall Bridgestone OOR (on-off-road) steel belt radials
P265/65R18 blackwall Bridgestone AL2 (all-season) steel belt radials (export only)
P275/55R20 blackwall Bridgestone AL2 (all-season) steel belt radials


2011 Chevrolet Avalanche Dimensions
Exterior
Wheelbase (in / mm): 130 / 3302
Overall length (in / mm): 221.3 / 5621
Overall width (in / mm): 79.1 / 2009
Overall height (in / mm): 76.6 / 1946
Track (in / mm): front: 68.2 / 1732
rear: 67.0 / 1702
Minimum ground clearance (in / mm): 2WD: 9.1 / 230
4WD: 9.1 / 230
Step-in height (in / mm): 2WD: 21.9 / 555
4WD: 22.2 / 563
Ground to top of cargo floor (in / mm): 2WD: 32.2 / 819
4WD: 32.5 / 825
Approach angle (deg): 2WD: 16.78
4WD: 16.64
Departure angle (deg): 2WD: 20.05
4WD: 20.31
Curb weight (lb / kg): 2WD: 5478 / 2485
4WD: 5645 / 2560
Weight distribution (% front / rear): 2WD: 51 / 49
4WD: 52 / 48
Interior
  First Row Second Row
Seating capacity (6 total): 2/3 2/3
Headroom (in / mm): 41.1 / 1043.2 40 / 1014.9
Legroom (in / mm): 41.3 / 1048.9 39.1 / 1048.9
Shoulder room (in / mm): 65.3 / 1657.9 65.2 / 1657.3
Hip room (in / mm): 64.4 / 1636.7 61.8 / 1570.1
Cargo length behind 1st row, Midgate closed (in / mm): 31.8 / 806.8 --
Cargo volume (cu ft / L) Behind 1st row, 2nd row folded, Midgate closed: 54.3 / 1537.3 --
Cargo volume (cu ft / L) Behind 1st row, 2nd row folded, Midgate open: 101 / 2859.1 --
Cargo box
Cargo length – bed, Midgate closed (in / mm): 63.3 /1609.1
Cargo length – behind 1st row, Midgate open (in / mm): 98.2 / 2493
Cargo width at wheelhouse (in / mm): 50.0 / 1270.4
Cargo height – max. inside w/ Midgate open (in / mm): 47.4 / 1204.7
Cargo height – open bed (in / mm): 25.0 / 634.7
Cargo height – w/bed cover (in / mm): 22.6 / 574.5
Cargo volume, open bed, Midgate closed (cu ft / L): 45.5 / 1289.1
Capacities
GVWR: (lb / kg): 2WD: 7000 / 3175
4WD: 7200 / 3266
Payload, base (lb / kg): 2WD: 1320 / 598
4WD: 1350 / 612
Trailer towing maximum (lb / kg): 2WD: 8100 / 3674
4WD: 7900 / 3583
Fuel tank (gal / L): 31.5 / 119.2
Engine oil (qt / L): 6 / 5.7
Cooling system (qt / L): 16.8 / 15.9
*SAE certified.

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