2021 Subaru Ascent Spare Tire
The Subaru Ascent, a mid-size SUV known for its rugged versatility, comes with a temporary, compact spare tire which is typically smaller than the vehicle's regular tires. This spare tire is designed for temporary and emergency use, allowing the driver to reach a safe location or the nearest automotive repair shop to have the regular tire replaced or repaired in case of a blow-out or flat tire. The size of the Subaru Ascent's spare tire is T145/80D18 104M. However, it is always essential for Subaru Ascent owners to check their vehicle's specific spare tire size in the owner's manual or on the tire's sidewall, as it may vary slightly depending on the model year.
2021 Subaru Ascent comes with 2 OEM tire size options. Select the original equipment the tire size installed on your vehicle to see all spare tires that have roughly the same tire diameter and can be used as a temporary replacement in the event of a flat tire. Remember that load carrying capacity of the spare tire must be the same or higher than the load carrying capacity of the original equipment tires in order to safely support the weight of your vehicle. Refer to vehicle owner's manual or contact Subaru dealership to confirm the correct 2021 Subaru Ascent spare tire size.
245/50R20
245/50R20 tire has a diameter of 29.7". These temporary spare tires fit the acceptable tire diameter range of 28.8" to 30.6".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T175/90D18from $290.30 | 30.4" | 2.4% |
| T175/80R19from $182.97 | 30" | 1% |
| T155/90D18from $163.99 | 29" | -2.4% |
| T155/90R18from $134.96 | 29" | -2.4% |
| T165/90D18from $115.96 | 29.7" | 0% |
| T175/90R17 | 29.4" | -1% |
| T175/90D17 | 29.4" | -1% |
| T175/80R18 | 29" | -2.4% |
| T175/80D18 | 29" | -2.4% |
| T165/90R18 | 29.7" | 0% |
| T145/80R20 | 29.1" | -2% |
| T175/90R18 | 30.4" | 2.4% |
245/60R18
245/60R18 tire has a diameter of 29.6". These temporary spare tires fit the acceptable tire diameter range of 28.7" to 30.5".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T175/90D18from $290.30 | 30.4" | 2.7% |
| T175/80R19from $182.97 | 30" | 1.4% |
| T155/80R19from $173.33 | 28.8" | -2.7% |
| T155/90D18from $163.99 | 29" | -2% |
| T155/90R18from $134.96 | 29" | -2% |
| T165/90D18from $115.96 | 29.7" | 0.3% |
| T175/90R17 | 29.4" | -0.7% |
| T175/90D17 | 29.4" | -0.7% |
| T175/80R18 | 29" | -2% |
| T175/80D18 | 29" | -2% |
| T165/90R18 | 29.7" | 0.3% |
| T155/80D19 | 28.8" | -2.7% |
| T145/80R20 | 29.1" | -1.7% |
| T175/90R18 | 30.4" | 2.7% |
More Subaru Ascent Spare Tires
All listed guides, data and/or calculations are for informational purposes only. Spare-Tires.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information. Always refer to vehicle owner's manual for the correct spare tire size configuration.