Research 2011 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


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

Cargo Area Dimensions

Cargo Box Length @ Floor (in) 63.3 Min, 98.2 Max
Cargo Box Width @ Top, Rear (in) 50.0
Cargo Volume (ft³) 45.5
Ext'd Cab Cargo Volume (ft³)
Cargo Box Width @ Floor (in) 50.0
Cargo Box Width @ Wheelhousings (in) 50.0
Cargo Box (Area) Height (in) 22.5
Tailgate Width (in) - TBD -

Cooling System

Total Cooling System Capacity (qts) 16.8


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


Tons/yr of CO2 Emissions @ 15K mi/year 11.0
EPA Greenhouse Gas Score 2


SAE Net Torque @ RPM 335 @ 4000
Engine Order Code LMG
Displacement 5.3L/325
Engine Oil Cooler
Engine Type Gas/Ethanol V8
Fuel System SFI
SAE Net Horsepower @ RPM 320 @ 5400

Exterior Dimensions

Height, Overall (in) 76.6
Ground Clearance, Rear (in) 9.1
Ground Clearance, Front (in) 9.1
Frame Width, Rear (in)
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
Width, Max w/o mirrors (in) 79.1
Length, Overall w/o rear bumper (in) 221.3
Wheelbase (in) 130.0


Frame Type Body on

Fuel Tank

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

Interior Dimensions

Second Head Room (in) 40.0
Second Leg Room (in) 39.1
Second Hip Room (in) 62.3
Second Shoulder Room (in) 65.2
Passenger Capacity 6
Front Head Room (in) 41.1
Front Leg Room (in) 41.3
Front Shoulder Room (in) 65.3
Front Hip Room (in) 60.3


EPA Fuel Economy Est - Hwy (MPG) 21
Fuel Economy Est-Combined (MPG) 17
EPA Fuel Economy Est - City (MPG) 15


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


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


Stabilizer Bar Diameter - Rear (in) 1.12
Spring Capacity - Rear (lbs) 4100
Spring Capacity - Front (lbs) 3500
Suspension Type - Rear Multi-Link
Suspension Type - Front Coil Over Shock
Axle Type - Front Independent
Axle Capacity - Front (lbs) 3500
Axle Type - Rear Semi-Floating
Axle Capacity - Rear (lbs) 4100
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


Front Tire Size P275/55R20
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 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
Front Tire Capacity (lbs) 2134
Front Tire Capacity (lbs) 2204
Front Tire Capacity (lbs) 2135
Rear Tire Capacity (lbs) 2134
Rear Tire Capacity (lbs) 2204
Rear Tire Capacity (lbs) 2135
Spare Tire Capacity (lbs) 2134
Spare Tire Capacity (lbs) 2204
Spare Tire Capacity (lbs) 2135
Revolutions/Mile @ 45 mph - Front
Revolutions/Mile @ 45 mph - Rear
Revolutions/Mile @ 45 mph - Spare


Fifth Wheel Hitch - Max Tongue Wt. (lbs)
Dead Weight Hitch - Max Trailer Wt. (lbs) 5000
Dead Weight Hitch - Max Tongue Wt. (lbs) 500
Wt Distributing Hitch - Max Trailer Wt. (lbs) 8100
Wt Distributing Hitch - Max Trailer Wt. (lbs) 5100
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1215
Wt Distributing Hitch - Max Tongue Wt. (lbs) 765
Fifth Wheel Hitch - Max Trailer Wt. (lbs)


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
Trans Power Take Off
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

Weight Information

Gross Axle Wt Rating - Rear (lbs) 4100
Gross Axle Wt Rating - Front (lbs) 3500
Gross Combined Wt Rating (lbs) 11000
Gross Combined Wt Rating (lbs) 14000
Gross Vehicle Weight Rating Cap (lbs) 7000
Curb Weight - Rear (lbs) 2655
Curb Weight - Front (lbs) 2823


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

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