Chevrolet Avalanche - 2009

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Overview

Models:

Chevrolet Avalanche LS, LT and LTZ

Body style / driveline:

4-door sport utility vehicle/pickup, front-engine, 2- or 4-wheel drive, 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

Engines

 

Vortec 5.3L V-8 (LY5, LMG)

Vortec 5.3L V-8 (LC9)

Vortec 6.0L V-8 (L76)

Type:

5.3L V-8

5.3L V-8

6.0L V-8

Displacement

(cu in / cc):

325 / 5328

325 / 5328

364 / 5967

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

Block material:

cast iron

cast aluminum

cast aluminum

Cylinder head material:

cast aluminum

cast aluminum

cast aluminum

Valvetrain:

overhead valve, 2 valves per cylinder, hydraulic roller lifters

overhead valve, 2 valves per cylinder, hydraulic roller lifters

overhead valve, 2 valves per cylinder, variable valve timing

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

Fuel delivery:

Active Fuel Management; sequential fuel injection

Active Fuel Management; sequential fuel injection

Active Fuel Management; sequential fuel injection

Compression ratio:

9.9:1

9.9:1

9.6:1

Horsepower

(hp/ kW @ rpm):

310 / 231 @ 5200*

310 / 231 @ 5200*

366 / 273 @ 5800*

Torque

(lb-ft / Nm @ rpm):

335 / 454 @ 4400*

335 / 454 @ 4400*

376 / 510 @ 4400*

Fuel:

regular unleaded,

E85-capable (LMG)

regular unleaded, E85-capable

regular unleaded

Maximum engine speed (rpm):

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

EPA estimated fuel economy (city / hwy):

14 / 20

14 / 20

10 / 15 E85

14 / 19

Transmission

 

Hydra-Matic 6L80, 6-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:

5.3L: 3.08 (std.); 3.42 (opt.)

6.0L: 3.42

Chassis / Suspension

Front:

independent, coil over shock; Autoride real-time damping (std. on LTZ and LT with 6.0L)

Rear:

five-link with coil springs; Autoride real-time damping (std. on LTZ and LT with 6.0L)

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:

4-wheel disc, 4-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. LT, std. LTZ)

Tires:

P265/70R17 blackwall Goodyear AL2 (all-season) steel belt radials;

 

P265/70R17 white letter 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

Dimensions
Exterior

Wheelbase (in / mm):

130 / 3302

Overall length (in / mm):

221.3 / 5620.8

Overall width (in / mm):

79.1 / 2010.4

Overall height (in / mm):

76.6 / 1944.8

Track (in / mm):

front: 68.2 / 1731.8

rear: 67.0 / 1701.8

Minimum ground clearance (in / mm):

2WD: 9.1 / 230.7 4WD: 9.1 / 230.7

Step-in height (in / mm):

2WD: 21.9 / 555.6 4WD: 22.2 / 562.8

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

2WD: 32.2 / 818.9

4WD: 32.5 / 824.8

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 (9 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 1 st row, Midgate closed (in / mm):

31.8 / 806.8

 

Cargo volume (cu ft / L):

 

 

Behind 1 st row, 2 nd row folded, Midgate closed

54.3 / 1537.3

 

Behind 1 st row, 2 nd row folded, Midgate open

101 / 2859.1

 

Cargo box

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

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 (5.3L)

4WD: 7900 / 3583 (5.3L)

Fuel tank (gal / L):

31.5 / 119.2

Engine oil (qt / L):

6 / 5.7 (5.3L & 6.0L)

Cooling system (qt / L):

16.8 / 15.9 (5.3L & 6.0L)

*SAE certified

Note: Information shown is current at time of publication

2009 Chevrolet Avalanche

2009 Chevrolet Avalanche

2009 Chevrolet Avalanche

2009 Chevrolet Avalanche

2009 Chevrolet Avalanche

2009 Chevrolet Avalanche

2009 Chevrolet Avalanche

2009 Chevrolet Avalanche

2009 Chevrolet Avalanche

2009 Chevrolet Avalanche

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