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 (cu in / cc):

325 / 5328

Bore & stroke (in / mm):

3.78 x 3.62 / 96 x 92

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, iridium electrode tip/ iridium core 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 O sensor

EPA estimated fuel economy (city / hwy):

14 / 20 (gas)
10 / 15 (E85)

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.)

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

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

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 (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

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

63.3 /1609.1

Cargo length behind 1 st 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

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