2019 Lexus IS300 Spare Tire
The Lexus IS300 typically comes equipped with a spare tire for emergency purposes, often referred to as a "donut", as it is smaller and thinner than regular tires. This spare tire is not designed for long distances or high speeds and is only intended to be used as a temporary replacement to get the vehicle safely to a location where the main tire can be repaired or replaced. As for the exact size, it may vary according to the model and year of the Lexus IS300, but commonly, compact spare tires for this model can be sized at T145/70D18. It is always recommended to check the specific user manual or consult with a local Lexus dealer for accurate information.
2019 Lexus IS300 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 2019 Lexus IS300 spare tire size.
225/40R18 (Rear: 255/35R18)
225/40R18 tire has a diameter of 25.1". These temporary spare tires fit the acceptable tire diameter range of 24.3" to 25.9".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T155/70D17from $175.43 | 25.6" | 2% |
| T155/60R18from $164.19 | 25.3" | 0.8% |
| T135/90R16from $155.20 | 25.6" | 2% |
| T155/70R17from $139.76 | 25.6" | 2% |
| T135/70D18from $135.05 | 25.5" | 1.6% |
| T135/80R17from $133.66 | 25.5" | 1.6% |
| T135/70R18from $131.66 | 25.5" | 1.6% |
| T125/80R17from $127.33 | 24.9" | -0.8% |
| T125/70R18from $123.33 | 24.9" | -0.8% |
| T145/70D17from $120.99 | 25" | -0.4% |
| T125/90R16from $119.73 | 24.9" | -0.8% |
| T115/95R17from $117.54 | 25.6" | 2% |
| T135/80D17from $112.58 | 25.5" | 1.6% |
| T135/80D16from $93.99 | 24.5" | -2.4% |
| T185/60D17 | 25.7" | 2.4% |
| T135/90D16 | 25.6" | 2% |
| T135/90R15 | 24.6" | -2% |
| T145/65D18 | 25.4" | 1.2% |
| T145/65R18 | 25.4" | 1.2% |
| T145/80D16 | 25.1" | 0% |
| T145/80R16 | 25.1" | 0% |
| T155/80D16 | 25.7" | 2.4% |
| T155/80R16 | 25.7" | 2.4% |
| T135/90D15 | 24.6" | -2% |
| T135/80R16 | 24.5" | -2.4% |
| T145/70R17 | 25" | -0.4% |
| T125/80D17 | 24.9" | -0.8% |
| T125/90D16 | 24.9" | -0.8% |
| T135/60D18 | 24.4" | -2.8% |
| T135/60D19 | 25.4" | 1.2% |
| T135/60R18 | 24.4" | -2.8% |
| T135/60R19 | 25.4" | 1.2% |
| T135/70D17 | 24.5" | -2.4% |
| T135/70R17 | 24.5" | -2.4% |
| T185/60R17 | 25.7" | 2.4% |
225/45R17
225/45R17 tire has a diameter of 25". These temporary spare tires fit the acceptable tire diameter range of 24.3" to 25.8".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T155/70D17from $175.43 | 25.6" | 2.4% |
| T155/60R18from $164.19 | 25.3" | 1.2% |
| T135/90R16from $155.20 | 25.6" | 2.4% |
| T155/70R17from $139.76 | 25.6" | 2.4% |
| T135/70D18from $135.05 | 25.5" | 2% |
| T135/80R17from $133.66 | 25.5" | 2% |
| T135/70R18from $131.66 | 25.5" | 2% |
| T125/80R17from $127.33 | 24.9" | -0.4% |
| T125/70R18from $123.33 | 24.9" | -0.4% |
| T145/70D17from $120.99 | 25" | 0% |
| T125/90R16from $119.73 | 24.9" | -0.4% |
| T115/95R17from $117.54 | 25.6" | 2.4% |
| T135/80D17from $112.58 | 25.5" | 2% |
| T135/80D16from $93.99 | 24.5" | -2% |
| T185/60D17 | 25.7" | 2.8% |
| T135/90D16 | 25.6" | 2.4% |
| T135/90R15 | 24.6" | -1.6% |
| T145/65D18 | 25.4" | 1.6% |
| T145/65R18 | 25.4" | 1.6% |
| T145/80D16 | 25.1" | 0.4% |
| T145/80R16 | 25.1" | 0.4% |
| T155/80D16 | 25.7" | 2.8% |
| T155/80R16 | 25.7" | 2.8% |
| T135/90D15 | 24.6" | -1.6% |
| T135/80R16 | 24.5" | -2% |
| T145/70R17 | 25" | 0% |
| T125/80D17 | 24.9" | -0.4% |
| T125/90D16 | 24.9" | -0.4% |
| T135/60D18 | 24.4" | -2.4% |
| T135/60D19 | 25.4" | 1.6% |
| T135/60R18 | 24.4" | -2.4% |
| T135/60R19 | 25.4" | 1.6% |
| T135/70D17 | 24.5" | -2% |
| T135/70R17 | 24.5" | -2% |
| T185/60R17 | 25.7" | 2.8% |
More Lexus IS300 Spare Tires
- 2025 Lexus IS300 Spare Tire
- 2024 Lexus IS300 Spare Tire
- 2023 Lexus IS300 Spare Tire
- 2022 Lexus IS300 Spare Tire
- 2021 Lexus IS300 Spare Tire
- 2020 Lexus IS300 Spare Tire
- 2018 Lexus IS300 Spare Tire
- 2017 Lexus IS300 Spare Tire
- 2016 Lexus IS300 Spare Tire
- 2005 Lexus IS300 Spare Tire
- 2004 Lexus IS300 Spare Tire
- 2003 Lexus IS300 Spare Tire
- 2002 Lexus IS300 Spare Tire
- 2001 Lexus IS300 Spare Tire
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.