What size are Toyota Avalon tires?
There isn’t a single tire size for all Avalon models; it depends on model year and trim. For most recent Avalons, the standard tire size is 235/45R18, with some higher-trim versions using 235/40R19.
The tire size question is nuanced because generations and trim levels differ, and wheel options range from 17 inches to 19 inches. This article explains how to identify the correct size for your specific Avalon and offers steps for verification.
How tire sizes vary by year, trim, and wheel options
Below are the sizes you’re most likely to encounter on recent Avalons. Always verify against your vehicle’s placard or owner's manual, as exact specs can differ by market and package.
- 235/45R18 — a common size on models with 18-inch wheels across many trims.
- 235/40R19 — used on higher-trim versions that ride on 19-inch wheels.
Older or base-spec Avalons that came with smaller wheels may use different sizes; the exact specification for your car is printed on the driver’s door placard and listed in the owner's manual.
How to confirm your exact tire size
- Locate the tire placard on the driver's door jamb; it lists the recommended tire size, load index, and speed rating for your vehicle.
- Inspect the sidewall of the current tires for the size imprint (for example, P235/45R18).
- Consult the owner's manual or Toyota's official resources if you're unsure about compatibility with wheel/tire packages.
- When replacing tires, match the size, load index, and speed rating; if you choose a different size, ensure it remains within the tolerances specified by Toyota.
Having the exact size verified helps maintain safety, handling, and the intended ride feel of your Avalon.
Reading tire codes and choosing the right size
Understanding tire codes
Tire sizing like P235/45R18 encodes width (235 mm), aspect ratio (45%), construction type (R for radial), and wheel diameter (18 inches). The letters P, LT, or T indicate the tire type and usage category, which can affect load and speed ratings.
Notes for replacement tires
Always use tires that meet or exceed the OE load index and speed rating. If you opt for non-OE sizes, you may need to adjust tire pressures or consult a tire professional to maintain performance and safety.
Summary
In short, Avalon tire sizes vary by year, trim, and wheel option. The most common modern configurations are 235/45R18 and 235/40R19. To be certain, check the driver’s door jamb placard or your owner’s manual, and consult a tire professional or Toyota dealer when replacing tires or wheels.
