2003 Chevrolet Avalanche
2003

Chevrolet
Avalanche

Starting at N/A USD | 0

340 hp @ 4200 rpm
Horsepower
N/A
Drivetrain

Explore

Discover every detail that makes this vehicle extraordinary

Performance

Performance

Fuel Efficiency

Fuel Efficiency

Safety

Safety

Connectivity

Connectivity

Comfort

Comfort

Interior Space

Interior Space

Exterior Design

Exterior Design

Performance

Engineered for the perfect balance of power and efficiency

340 hp
Horsepower
N/A
Torque
N/A
Drivetrain
4-speed
Transmission
2003 Chevrolet Avalanche performance
2003 Chevrolet Avalanche interior

Efficient

Advanced engineering for optimal fuel economy

Fuel Typeregular unleaded

Interior

Thoughtfully designed for comfort and functionality

N/A
Seating
N/A
Cargo
N/A
Front Legroom
N/A
Rear Legroom
2003 Chevrolet Avalanche interior CARGO
2003 Chevrolet Avalanche interior D
2003 Chevrolet Avalanche interior I

Climate Control

Convenience

Seating

Technology

Advanced connectivity and intelligent features

Technology specifications not available for this variant

Safety

Comprehensive protection for you and your passengers

Airbags

Stability

Monitoring

Security

2003 Chevrolet Avalanche front safety CARGO
2003 Chevrolet Avalanche front safety D
2003 Chevrolet Avalanche front safety E
2003 Chevrolet Avalanche front safety FQ
2003 Chevrolet Avalanche front safety FQ
2003 Chevrolet Avalanche front safety I
2003 Chevrolet Avalanche front safety RI
2003 Chevrolet Avalanche front safety RQ

Dimensions

Carefully crafted proportions for optimal space and style

Length

N/A

Width

N/A

Height

N/A

Wheelbase

N/A

Gallery

See the 2003 Chevrolet Avalanche from every angle

2003 Chevrolet Avalanche interior CARGO
2003 Chevrolet Avalanche interior D
2003 Chevrolet Avalanche exterior E
2003 Chevrolet Avalanche exterior FQ
2003 Chevrolet Avalanche exterior FQ
2003 Chevrolet Avalanche interior I
2003 Chevrolet Avalanche interior RI
2003 Chevrolet Avalanche exterior RQ

Colors

Express yourself.

Dark Green Metallic
#22422A
Dark Gray Metallic
#424242
Summit White
#FFFFFF
Victory Red
#970718
Sunset Orange Metallic
#E65127
Arrival Blue
#1C5183
Yellow
#E6BA37
Black
#000000
Light Pewter Metallic
#7F8076
Medium Sage Green Metallic (Available through December 2002)
#2D4724

Trim Levels

View all trim levels for the 2003 Chevrolet Avalanche

Safety Reports

422 complaints reported to NHTSA

422
Total Reports
16
Crashes
12
Injuries
5
Fires

Most Common Issues

SERVICE BRAKES
136
ELECTRICAL SYSTEM
136
HYDRAULIC
51
AIR BAGS
28
VEHICLE SPEED CONTROL
22
STRUCTURE
20

Recent Reports

ODI #11683105
Aug 26, 2025
STRUCTURE
The contact owns a 2003 Chevrolet Avalanche 1500. The contact stated that while the vehicle was on a lift at an independent mechanic, the independent mechanic found rust on the subframe. There were no warning lights illuminated. The vehicle was a private sale. The contact had purchased the vehicle two months prior to finding the rust. The vehicle was taken to an independent mechanic to replace the muffler. The contact was informed that the subframe was rusted. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 91,000.
Incident: Jul 26, 2025VIN: 3GNEK13T73G***
ODI #11606301
Aug 3, 2024
SERVICE BRAKES
Brakes lines broke while in traffic at stop light. Manage to drive in low gear 1/2 block to repair shop. They replaced the lines
Incident: Jun 1, 2010VIN: 3GNGC23G83G***
ODI #11414981
May 3, 2021
ELECTRICAL SYSTEMUNKNOWN OR OTHER
SERVICE LIGHT DOSE NOT COME ON WHEN MY TRUCK WON'T NOT STARTED UP UNTIL I GOT IT TOWED
Incident: May 13, 2018VIN: 3GNEC13T43G***
ODI #11386897
Jan 7, 2021
STEERINGELECTRICAL SYSTEMUNKNOWN OR OTHER
I BOUGHT THIS VEHICLE AND THE CLUSTER IS OUT I DO NOT KNOW WHAT MODEL THIS IS OTHER THAN A Z66 SO I CANNOT SEE ON HOW TO PROGRAM MY PHONE AT TO THE ONSTAR OR ANY OF THAT I DON'T KNOW IF I HAVE SATELLITE RADIO THERE IS NO AUXILIARY PLUG IN HEATED SEATS IT'S ONLY THE BACK OF THE SEAT THAT WORKS I'M NOT SURE IF THAT'S ALL THAT IS HEATED AND IT SAYS THAT IT'S SUPPOSED TO BE COME WITH A KEY FOB I DID NOT RECEIVE MY CAR COMPLETELY DIES I HAVE TO TURN IT COMPLETELY OFF TURN THE KEY AROUND AND STARTED AGAIN THE WHOLE STEERING COLUMN LOOKS LIKE IT HAS BEEN REPLACED I DID NOT RECEIVE THE KEY FOB I CANNOT LOCK THE DOORS BECAUSE THE KEYS DON'T WORK IN THE DOOR BUT THEY DO AN IGNITION SOMETIMES I HAVE TO TURN THE KEY AROUND SOMETIMES EVEN WHEN I'M IN THE MIDDLE OF DRIVING I HAVE TO CUT IT COMPLETELY OFF BECAUSE IT WILL STALL OUT TURN KEY AROUND AND IT START IT AGAIN. I HAVE NO IDEA WHAT THE REAL MILAGE IS. JELP IM A SINGLE AND ONLY IN COME PARENT TO 3 BOUS AND THIS MOMMA NEEDS HELP PLEASE
Incident: Jan 5, 2021VIN: 3GNEC13T33G***
ODI #11384649
Dec 23, 2020
ELECTRICAL SYSTEMUNKNOWN OR OTHERVISIBILITY/WIPER
I AM A NEW OWNER OF A 2003 AVALANCHE, I WAS SATISFIED WITH MY PURCHASE BUT MY SOONROOF FALLS UNDER THE APPROPRIATE SERIAL NUMBERS (6,000,000-6,300,000) RECALL STATES THAT IT MAY BE COVERED BY THE COMPANY WEBASTO HOLLANDIA. VEHICLE IS FINE TO DRIVE PLACES BUT SUNROOF MUST BE FIXED FOR COMING WINTER. IT WORRIES ME AS THERE'S A SLIGHT DANGER OF IT CAUSING A ROAD HAZARD IF IT WERE TO FALL OUT.
Incident: Dec 12, 2020VIN: 3GNEK13T63G***
ODI #11193455
Apr 2, 2019
SERVICE BRAKES
BRAKES WENT OUT WITH NO WARNING, TWO DIFFERENT TIMES. ON A HIGHWAY STOPPING FOR A RED LIGHT.
Incident: Jul 6, 2016VIN: 3GNEK13T63G***
ODI #11192061
Mar 27, 2019
STEERING
I CAN HEAR A CLUNKING OR RATTLING NOISE IN MY STEERING WHEEL. I CAN ALSO FEEL IT IN THE STEERING WHEEL WHILE DRIVING.
Incident: Mar 8, 2019VIN: 3GNEC13T03G***
ODI #11162859
Dec 20, 2018
POWER TRAIN
THIS IS THE SECOND TRANSMISSION, THE CLIP THAT HOLDS THE TRANSMISSION LINE TO THE RADIATOR BREAKS ALLOWING THE LINE TO COME OFF RESULTING IN ALL TRANSMISSION FLUID BEING LOST AND RESULTING IN DESTROYING TRANSMISSION
Incident: Oct 1, 2018VIN: 3GNEK13TX3G***

Data sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are submitted by vehicle owners and may not represent verified defects.

View All Reports on NHTSA