2018 Jeep Wrangler JK Spare Tire
The Jeep Wrangler JK spare tire is an essential feature designed to ensure the vehicle can continue its journey in the event any of the regular tires fail or get damaged. The spare tire for the Jeep Wrangler JK typically matches the size and type of the original tires, allowing for seamless driving performance. Most versions of the Jeep Wrangler JK come with a full-size spare tire, generally of the same model as the car's regular tires. The standard size of the spare tire is typically 255/70R18, but it may vary depending on the model and year of the Jeep Wrangler JK. It is important to note that the spare tire with these Jeep models is often externally mounted on the rear of the vehicle, adding to the rugged aesthetic while also providing easy access in case of an emergency.
2018 Jeep Wrangler JK comes with 7 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 Jeep dealership to confirm the correct 2018 Jeep Wrangler JK spare tire size.
LT255/75R17
No matching compact spares. Using a full-size spare tire is recommended.
LT265/70R17
No matching compact spares. Using a full-size spare tire is recommended.
P225/75R16
P225/75R16 tire has a diameter of 29.3". These temporary spare tires fit the acceptable tire diameter range of 28.4" to 30.2".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T175/80R19from $182.97 | 30" | 2.4% |
| T155/80R19from $173.33 | 28.8" | -1.7% |
| T155/90D18from $163.99 | 29" | -1% |
| T155/90R18from $134.96 | 29" | -1% |
| T165/90R17from $119.99 | 28.7" | -2% |
| T165/90D18from $115.96 | 29.7" | 1.4% |
| T165/90D17from $109.43 | 28.7" | -2% |
| T175/90D17 | 29.4" | 0.3% |
| T175/80R18 | 29" | -1% |
| T175/80D18 | 29" | -1% |
| T165/90R18 | 29.7" | 1.4% |
| T155/80D19 | 28.8" | -1.7% |
| T145/80R20 | 29.1" | -0.7% |
| T175/90R17 | 29.4" | 0.3% |
P245/75R16
P245/75R16 tire has a diameter of 30.5". These temporary spare tires fit the acceptable tire diameter range of 29.6" to 31.4".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T175/90D18from $290.30 | 30.4" | -0.3% |
| T175/80R19from $182.97 | 30" | -1.6% |
| T165/90D18from $115.96 | 29.7" | -2.6% |
| T165/90R18 | 29.7" | -2.6% |
| T175/90R18 | 30.4" | -0.3% |
P245/75R17
No matching compact spares. Using a full-size spare tire is recommended.
P255/70R18
No matching compact spares. Using a full-size spare tire is recommended.
P255/75R17
No matching compact spares. Using a full-size spare tire is recommended.
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.