2018 Lexus RX350L Spare Tire
The Lexus RX350L comes equipped with a temporary spare tire which is often referred to as a "donut." This spare tire offers a temporary solution in case of a flat tire or tire damage, intending to be utilized until reaching a proper facility for tire repair or replacement. It is necessary to note that unlike regular tires, these spare tires are not meant for long distance driving or at high speeds due to their minimal tread and different composition. The 2021 Lexus RX350L spare tire size is reported to be T155/80D18; however, sizes can vary between different model years, so it's always advisable to check the vehicle's manual for specifics, or consult with a professional.
2018 Lexus RX350L 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 Lexus dealership to confirm the correct 2018 Lexus RX350L spare tire size.
235/55R20
235/55R20 tire has a diameter of 30.2". These temporary spare tires fit the acceptable tire diameter range of 29.3" to 31.1".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T175/90D18from $290.30 | 30.4" | 0.7% |
| T175/80R19from $182.97 | 30" | -0.7% |
| T165/90D18from $115.96 | 29.7" | -1.7% |
| T165/90R18 | 29.7" | -1.7% |
| T175/90D17 | 29.4" | -2.6% |
| T175/90R17 | 29.4" | -2.6% |
| T175/90R18 | 30.4" | 0.7% |
235/65R18
235/65R18 tire has a diameter of 30". These temporary spare tires fit the acceptable tire diameter range of 29.1" to 30.9".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T175/90D18from $290.30 | 30.4" | 1.3% |
| T175/80R19from $182.97 | 30" | 0% |
| T165/90D18from $115.96 | 29.7" | -1% |
| T165/90R18 | 29.7" | -1% |
| T175/90D17 | 29.4" | -2% |
| T175/90R17 | 29.4" | -2% |
| T175/90R18 | 30.4" | 1.3% |
More Lexus RX350L 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.