245/65R18 Tire Size Specifications & Compatible Vehicles
Overall Diameter
775.7 mm
Section Width
245 mm
Sidewall Height
159.3 mm
Circumference
2436.9 mm
Revs/Mile
660
Rim Diameter
18"
Inch Equivalent
30.5x9.6R18
Rim Width (ETRTO)
7.0" – 9.0"
Compatible Vehicles
The following vehicles use 245/65R18 tires from the factory:
Alternative Tire Sizes
These tire sizes are within 3% overall diameter of 245/65R18 and may be used as replacements:
Understanding 245/65R18
The tire size 245/65R18 means the tire has a section width of 245mm, an aspect ratio of 65% (the sidewall height is 65% of the width), and fits a 18-inch rim.
Sidewall Height = 245 x 0.65 = 159.3 mm
Overall Diameter = (159.3 x 2) + (18 x 25.4) = 775.7 mm
Circumference = 775.7 x π = 2436.9 mm
Overall Diameter = (159.3 x 2) + (18 x 25.4) = 775.7 mm
Circumference = 775.7 x π = 2436.9 mm
Frequently Asked Questions
The 245/65R18 tire size is used on 5 vehicle trims including the 2024 Chevrolet Traverse, 2023 Chevrolet Traverse, 2022 Chevrolet Traverse and 2 more.
A 245/65R18 tire has an overall diameter of 775.7mm (30.5 inches). The sidewall height is 159.3mm, and the total circumference is 2437mm.
For 245/65R18 tires, the ETRTO recommended rim width is 8.0". The acceptable range is 7.0" minimum to 9.0" maximum. Using a rim outside this range can cause improper bead seating and unsafe handling.
Yes, as long as the replacement tire overall diameter is within 3% of the 245/65R18 775.7mm diameter. Compatible alternatives include 215/80R17, 335/40R20, 265/60R18. Use our Tire Size Calculator to compare any two sizes.