Specs

Research 2009 Chevrolet Avalanche specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

LS 2-Wheel Drive LS

Brakes

Disc - Front (Yes or ) Yes
Disc - Rear (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) 13 x 1.18
Rear Drum Diam x Width (in)
Drum - Rear (Yes or )
Rear Brake Rotor Diam x Thickness (in) 13.5 x .78
Brake Type Pwr
Brake ABS System 4-Wheel
Brake ABS System (Second Line)

Cargo Area Dimensions

Cargo Box (Area) Height (in) 22.5
Cargo Box Width @ Floor (in) 50.0
Cargo Box Width @ Top, Rear (in) 50.0
Cargo Box Length @ Floor (in) 63.0 Min, 98.2 Max
Ext'd Cab Cargo Volume (ft³)
Cargo Volume (ft³) 45.5
Tailgate Width (in) - TBD -
Cargo Box Width @ Wheelhousings (in) 50.0

Cooling System

Total Cooling System Capacity (qts) 16.8
Total Cooling System Capacity (qts) 15.9

Electrical

Maximum Alternator Capacity (amps) 145
Cold Cranking Amps @ 0° F (Primary) 600
Maximum Alternator Watts
Cold Cranking Amps @ 0° F (2nd)

Emissions

EPA Greenhouse Gas Score 3

Engine

Engine Order Code L76
Engine Type Gas/Ethanol V8
Engine Type Gas V8
Displacement 6.0L/366
Displacement 5.3L/325
Fuel System SFI
SAE Net Horsepower @ RPM 366 @ 5800
SAE Net Horsepower @ RPM 310 @ 5200
SAE Net Torque @ RPM 376 @ 4400
SAE Net Torque @ RPM 335 @ 4400
Engine Oil Cooler
Engine Order Code LMG
Engine Order Code LY5

Exterior Dimensions

Frame Width, Rear (in)
Ground Clearance, Rear (in) 9.1
Ground Clearance, Front (in) 9.1
Ground to Top of Frame (in)
Ground to Top of Load Floor (in) 31.0
Cab to End of Frame (in)
Cab to Axle (in)
Front Bumper to Back of Cab (in)
Overhang, Rear w/o bumper (in) 52.9
Overhang, Front (in) 38.8
Height, Overall (in) 76.6
Width, Max w/o mirrors (in) 79.1
Length, Overall w/o rear bumper (in) 221.3
Wheelbase (in) 130.0

Frame

Frame Type Body on

Fuel Tank

Aux Fuel Tank Capacity, Approx (gal)
Fuel Tank Capacity, Approx (gal) 31
Aux Fuel Tank Location
Fuel Tank Location Inboard LH Frame Rail

Interior Dimensions

Front Leg Room (in) 41.3
Front Shoulder Room (in) 65.3
Front Hip Room (in) 64.4
Second Head Room (in) 40.0
Second Leg Room (in) 39.1
Second Shoulder Room (in) 65.2
Second Hip Room (in) 62.3
Passenger Capacity 6
Front Head Room (in) 41.1

Mileage

EPA Fuel Economy Est - City (MPG) 14
Fuel Economy Est-Combined (MPG) 16
EPA Fuel Economy Est - Hwy (MPG) 20

Steering

Turning Diameter - Wall to Wall (ft)
Steering Ratio (:1), At Lock 3.0
Turning Diameter - Curb to Curb (ft) 43.0
Steering Ratio (:1), On Center 17.75
Steering Type Pwr

Summary

Vehicle Name Chevrolet Avalanche
Body Style 4 Door Crew Cab
Body Code

Suspension

Axle Capacity - Rear (lbs) 4000
Axle Ratio (:1) - Front
Axle Ratio (:1) - Rear 3.42
Axle Ratio (:1) - Rear 3.08
Shock Absorber Diameter - Front (mm) 1.81
Shock Absorber Diameter - Rear (mm) 1.81
Stabilizer Bar Diameter - Front (in) 1.42
Stabilizer Bar Diameter - Rear (in) 1.12
Axle Type - Front Independent
Spring Capacity - Front (lbs) 3400
Axle Type - Rear Semi-Floating
Axle Capacity - Front (lbs) 3400
Spring Capacity - Rear (lbs) 4000
Suspension Type - Front Coil Over Shock
Suspension Type - Rear Multi-Link

Tires

Front Tire Capacity (lbs) 2134
Front Tire Capacity (lbs) - TBD -
Front Tire Capacity (lbs) 2135
Rear Tire Capacity (lbs) 2134
Rear Tire Capacity (lbs) - TBD -
Rear Tire Capacity (lbs) 2135
Spare Tire Capacity (lbs) 2134
Spare Tire Capacity (lbs) - TBD -
Spare Tire Capacity (lbs) 2135
Revolutions/Mile @ 45 mph - Rear
Revolutions/Mile @ 45 mph - Spare
Revolutions/Mile @ 45 mph - Front
Front Tire Order Code QSS
Front Tire Order Code QXN
Front Tire Order Code QAN
Rear Tire Order Code QSS
Rear Tire Order Code QXN
Rear Tire Order Code QAN
Spare Tire Order Code ZRS
Front Tire Size P275/55R20
Front Tire Size P265/65R18
Front Tire Size P265/70R17
Rear Tire Size P275/55R20
Rear Tire Size P265/65R18
Rear Tire Size P265/70R17
Spare Tire Size P265/70R17

Trailering

Wt Distributing Hitch - Max Tongue Wt. (lbs) 750
Fifth Wheel Hitch - Max Tongue Wt. (lbs) N/A
Fifth Wheel Hitch - Max Trailer Wt. (lbs) N/A
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1215
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1215
Wt Distributing Hitch - Max Tongue Wt. (lbs) 840
Wt Distributing Hitch - Max Tongue Wt. (lbs) 765
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1200
Wt Distributing Hitch - Max Tongue Wt. (lbs) 825
Wt Distributing Hitch - Max Trailer Wt. (lbs) 5000
Wt Distributing Hitch - Max Trailer Wt. (lbs) 8100
Wt Distributing Hitch - Max Trailer Wt. (lbs) 8100
Wt Distributing Hitch - Max Trailer Wt. (lbs) 5600
Wt Distributing Hitch - Max Trailer Wt. (lbs) 5100
Wt Distributing Hitch - Max Trailer Wt. (lbs) 8000
Wt Distributing Hitch - Max Trailer Wt. (lbs) 5500
Dead Weight Hitch - Max Tongue Wt. (lbs) 750
Dead Weight Hitch - Max Trailer Wt. (lbs) 5000

Transmission

Clutch Size (in)
Reverse Ratio (:1) 3.06
Sixth Gear Ratio (:1) 0.67
Fifth Gear Ratio (:1) 0.85
Fourth Gear Ratio (:1) 1.15
Third Gear Ratio (:1) 1.53
Second Gear Ratio (:1) 2.36
First Gear Ratio (:1) 4.03
Trans Description Cont. Again
Trans Description Cont. Automatic w/OD
Trans Type 6
Trans Order Code MYC
Drivetrain Rear Wheel Drive
Transfer Case Power Take Off
Transfer Case Gear Ratio (:1), Low
Transfer Case Gear Ratio (:1), High
Transfer Case Model
Trans PTO Access N/A
Trans Power Take Off

Weight Information

Gross Axle Wt Rating - Front (lbs) 3500
Gross Combined Wt Rating (lbs) 11000
Gross Combined Wt Rating (lbs) 11500
Gross Combined Wt Rating (lbs) 14000
Gross Vehicle Weight Rating Cap (lbs) 7000
Curb Weight - Rear (lbs) 2654
Curb Weight - Front (lbs) 2822
Gross Axle Wt Rating - Rear (lbs) 4100

Wheels

Front Wheel Material Aluminum
Rear Wheel Material Aluminum
Spare Wheel Material Steel
Front Wheel Size (in) 17 x 7.5
Front Wheel Size (in) 20
Front Wheel Size (in) 20 x 8.5
Front Wheel Size (in) 18 x 8
Rear Wheel Size (in) 18 x 8
Rear Wheel Size (in) 20 x 8.5
Rear Wheel Size (in) 20
Rear Wheel Size (in) 17 x 7.5
Spare Wheel Size (in) 17