Engine

Transmission

Vortec 5.3L V-8 (LMG)

6-spd auto
(Hydra-Matic 6L80)

Avalanche 2WD

s

s

Avalanche 4WD

s

s

Standard

s

Optional

o

Not available

-

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

Key competitors:

Ford Super Crew, Dodge Ram Quad Cab

Vortec 5.3L V-8 FlexFuel (LMG)

Type:

5.3L V-8

Displacement (cc / cu in):

5328 / 325

Bore & stroke (mm / in):

96 x 92 / 3.78 x 3.62

Block material:

Cast iron

Cylinder head material:

Cast aluminum

Valvetrain:

Overhead valve, two valves per cylinder, variable valve timing, Active Fuel Management

Ignition system:

Coil-near-plug ignition, extended life spark plugscore spark plugs, low resistance spark plug wires

Fuel delivery:

Sequential fuel injection

Compression ratio:

9.9:1

Horsepower (hp/ kW @ rpm):

310 / 231 @ 5200* (gas)
326 / 243 @ 5300* (E85)

Torque (lb-ft / Nm @ rpm):

335 / 454 @ 4400* (gas)
350 / 475 @ 4400* (E85)

Fuel:

Regular unleaded or E85

Max. engine speed (rpm):

6000

Emissions controls:

Close-coupled catalytic converter, 58X ignition, returnless fuel rail, fast-response O² sensor

Estimated fuel consumption:

Mi/imp.gal (city / hwy / combined)

20 / 29 / 23

L/100km (city / hwy / combined)

14.4 / 9.6 / 12.2

Hydra-Matic 6L80

Type

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.)

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 (m / ft):

13.1 / 43.0

Type:

Four-wheel disc, four-wheel ABS

Rotor diameter x thickness (mm / in):

front: 330.2 x 30 / 13.0 x 1.18
rear: 345.0 x 20 / 13.5 x .787

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

Wheelbase (mm / in):

3302 / 130.0

Overall length (mm / in):

5621 / 221.3

Overall width (mm / in):

2009 / 79.1

Overall height (mm / in):

1946 / 76.6

Track (mm / in):

front: 1732 / 68.2
rear: 1702 / 67.0

Minimum ground clearance (mm / in):

2WD: 230 / 9.1
4WD: 230 / 9.1

Step-in height (mm / in):

2WD: 555 / 21.9
4WD: 563 / 22.2

Ground to top of cargo floor (mm / in):

2WD: 819 / 32.2
4WD: 825 / 32.5

Approach angle (deg):

2WD: 16.78
4WD: 16.64

Departure angle (deg):

2WD: 20.05
4WD: 20.31

Curb weight (kg / lb):

2WD: 2485 / 5478
4WD: 2560 / 5645

Weight distribution (% front / rear):

2WD: 51 / 49
4WD: 52 / 48

First Row

Second Row

Headroom (mm / in):

1043.2 / 41.1

1014.9 / 40.0

Legroom (mm / in):

1048.9 / 41.3

1048.9 / 39.1

Shoulder room (mm / in):

1657.9 / 65.3

1657.3 / 65.2

Hip room (mm / in):

1636.7 / 64.4

1570.1 / 61.8

Cargo length - bed, Midgate closed (mm / in):

609.1 / 63.3

Cargo length - behind 1^st row, Midgate open (mm / in):

2493 / 98.2

Cargo width at wheelhouse (mm / in):

1270.4 / 50.0

Cargo height - max. inside w/ Midgate open (mm / in):

1204.7 / 47.4

Cargo height - open bed (mm / in):

634.7 / 25.0

Cargo height - w/bed cover (mm / in):

574.5 / 22.6

Cargo volume, open bed, Midgate closed (L / cu ft):

1289.1 / 45.5

Seating capacity (6 total):

2 / 3

Cargo volume (L / cu ft):

1537.3 / 54.3
(behind 1st row, 2nd row folded, Midgate closed)
2859.1 / 101
(behind 1st row, 2nd row folded, Midgate open)

Cargo length (mm / in):

806.8 / 31.8 (behind 1st row, Midgate closed)

GVWR: (kg / lb):

2WD: 3175 / 7000
4WD: 3266 / 7200

Payload, base (kg / lb):

2WD: 598 / 1320
4WD: 612 / 1350

Trailer towing maximum (kg / lb):

2WD: 3674 / 8100
4WD: 3583 / 7900

Fuel tank (L / imp.gal):

117 / 26