Research 2005 Chevrolet Avalanche specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

LS 1500 2WD Crew Cab LS


Brake Type Pwr
Brake ABS System 4-Wheel
Rear Drum Diam x Width (in)
Brake ABS System (Second Line)
Disc - Front (Yes or ) Yes
Drum - Rear (Yes or )
Rear Brake Rotor Diam x Thickness (in) 12.9 x 1.2
Front Brake Rotor Diam x Thickness (in) 12.0 x 1.1
Disc - Rear (Yes or ) Yes

Cargo Area Dimensions

Cargo Box (Area) Height (in) 22.5
Ext'd Cab Cargo Volume (ft³)
Cargo Volume (ft³) 41.0 Min
Cargo Box Width @ Wheelhousings (in) 50.0
Cargo Box Width @ Floor (in) 50.0
Cargo Box Length @ Floor (in) 63.0 Min, 97.6 Max
Cargo Box Width @ Top, Rear (in) 50.0
Tailgate Width (in) - TBD -

Cooling System

Total Cooling System Capacity (qts) 12.6


Cold Cranking Amps @ 0° F (2nd)
Maximum Alternator Capacity (amps) 145
Maximum Alternator Capacity (amps) 105
Cold Cranking Amps @ 0° F (Primary) 600
Maximum Alternator Watts


Fuel System SFI
Engine Oil Cooler
Displacement 5.3L/327
SAE Net Horsepower @ RPM 295 @ 5200
Engine Order Code L59
Engine Type Gas/Ethanol V8
SAE Net Torque @ RPM 330 @ 4000

Exterior Dimensions

Width, Max w/o mirrors (in) 79.8
Ground Clearance, Rear (in) 8.6
Ground Clearance, Front (in) 8.6
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
Height, Overall (in) 73.6
Length, Overall w/o rear bumper (in) 221.6
Wheelbase (in) 130.0


Frame Type Ladder

Fuel Tank

Aux Fuel Tank Capacity, Approx (gal)
Aux Fuel Tank Location
Fuel Tank Location
Fuel Tank Capacity, Approx (gal) 31

Interior Dimensions

Front Shoulder Room (in) 65.2
Front Hip Room (in) 61.4
Second Head Room (in) 38.6
Second Leg Room (in) 38.9
Front Head Room (in) 40.7
Second Shoulder Room (in) 65.2
Passenger Capacity 5
Passenger Capacity 6
Second Hip Room (in) 62.0
Front Leg Room (in) 41.3


EPA Fuel Economy Est - Hwy (MPG) 19
EPA Fuel Economy Est - City (MPG) 14


Turning Diameter - Wall to Wall (ft) - TBD -
Turning Diameter - Curb to Curb (ft) 43.3
Steering Ratio (:1), At Lock - TBD -
Steering Ratio (:1), On Center 15.8
Steering Type Pwr


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


Suspension Type - Front Indep Torsion Bar
Suspension Type - Rear Multi-Link
Spring Capacity - Front (lbs) 3400
Spring Capacity - Rear (lbs) 4000
Axle Type - Rear Semi-Floating
Axle Type - Front Independent
Axle Capacity - Front (lbs) 3400
Axle Capacity - Rear (lbs) 4000
Axle Ratio (:1) - Front
Axle Ratio (:1) - Rear 4.10
Axle Ratio (:1) - Rear 3.42
Shock Absorber Diameter - Front (mm) 32
Shock Absorber Diameter - Rear (mm) 32
Stabilizer Bar Diameter - Front (in) 1.42
Stabilizer Bar Diameter - Rear (in) 1.12


Front Tire Order Code QMK
Front Tire Order Code QMJ
Rear Tire Order Code QMK
Rear Tire Order Code QMJ
Spare Tire Order Code
Front Tire Size P265/70R16
Rear Tire Size P265/70R16
Spare Tire Size 16"
Front Tire Capacity (lbs) 2134
Rear Tire Capacity (lbs) 2134
Spare Tire Capacity (lbs) 2134
Revolutions/Mile @ 45 mph - Front - TBD -
Revolutions/Mile @ 45 mph - Rear - TBD -
Revolutions/Mile @ 45 mph - Spare - TBD -


Wt Distributing Hitch - Max Trailer Wt. (lbs) 7300
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1000
Dead Weight Hitch - Max Trailer Wt. (lbs) 5000
Dead Weight Hitch - Max Tongue Wt. (lbs) 600
Wt Distributing Hitch - Max Trailer Wt. (lbs) 8200
Fifth Wheel Hitch - Max Tongue Wt. (lbs) N/A
Fifth Wheel Hitch - Max Trailer Wt. (lbs) N/A


Clutch Size (in)
Reverse Ratio (:1) 2.29
Sixth Gear Ratio (:1)
Fifth Gear Ratio (:1)
Fourth Gear Ratio (:1) 0.70
Third Gear Ratio (:1) 1.00
Second Gear Ratio (:1) 1.63
First Gear Ratio (:1) 3.06
Trans Description Cont. Again
Trans Description Cont. Automatic w/OD
Trans Type 4
Trans Order Code M30
Seventh Gear Ratio (:1)
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 New Venture Gear NVG246
Drivetrain Rear Wheel Drive

Weight Information

Curb Weight - Rear (lbs) 2512
Curb Weight - Front (lbs) 2758
Gross Axle Wt Rating - Rear (lbs) 4000
Gross Axle Wt Rating - Front (lbs) 3400
Gross Combined Wt Rating (lbs) 13000
Gross Combined Wt Rating (lbs) 14000
Gross Vehicle Weight Rating Cap (lbs) 6800


Front Wheel Size (in) 16 x 7
Spare Wheel Size (in) 16
Front Wheel Material Aluminum
Rear Wheel Material Aluminum
Spare Wheel Material Steel
Rear Wheel Size (in) 16 x 7