What size tires are on a 2003 Chevy Avalanche 1500?
The tire size most 2003 Avalanche 1500 models shipped with is P265/70R16 on 16-inch wheels; however the exact size can vary with trim level and optional wheel packages.
In this article, we break down typical factory tire sizes by wheel option and explain how to confirm the correct size for a specific vehicle. The 2003 Avalanche 1500 offered a few different wheel choices, so tire sizing could differ from one truck to another.
Stock tire sizes by wheel option
Below is a quick guide to the factory sizes associated with common wheel configurations for the 2003 Avalanche 1500. Note that production runs and regional specs could lead to small variations, so always verify on the vehicle itself.
- 16-inch wheels: P265/70R16 (the most common OEM size).
- 17-inch wheels: P265/65R17 (typical for 17-inch wheel packages).
To ensure you have the exact tire size for a specific 2003 Avalanche 1500, check the door jamb placard, the owner's manual, or the tire sidewall itself. The placard lists the recommended tire size for the original equipment, while the sidewall shows the size of the installed tires.
How to confirm the correct tire size
Use these steps to confirm the tire size for your specific truck:
- Open the driver's door and locate the Tire and Loading Information label on the door jamb; read the "Tire size" line.
- Inspect the sidewall of any installed tire for the same size (e.g., P265/70R16).
- Consult the owner's manual for OEM specifications and acceptable replacement sizes.
Armed with the correct size, you can select appropriate replacements that maintain the vehicle’s performance, safety, and speedometer accuracy.
Summary
For most 2003 Chevy Avalanche 1500s, the stock tire size is typically P265/70R16 on 16-inch wheels, with some configurations offering P265/65R17 on 17-inch wheels. Always verify on the door placard or tire sidewall to confirm the exact size for your vehicle.
Notes for readers
If you are seeking tires for a specific trim or wheel package, you may encounter variations. If you provide the exact trim level or wheel size, I can help verify the precise OEM size for that configuration.
