2019 Infiniti Q50 Spare Tire
The Infiniti Q50 does not come equipped with a traditional spare tire, instead it is equipped with the run-flat tires, which allow the vehicle to be driven for a limited distance even after a puncture or significant loss of pressure. However, in case of tire replacement, the size recommendation for the Infiniti Q50 is typically 245/40R19, however, the size varies by the year and model of the vehicle. Thus, it's advisable to check the vehicle's owner's manual or consult with a tire professional to guarantee the exact fit. Moreover, many Infiniti Q50 owners decide to purchase a full-size or donut spare tire as extra precaution, even though it sacrifices trunk space.
2019 Infiniti Q50 comes with 4 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 Infiniti dealership to confirm the correct 2019 Infiniti Q50 spare tire size.
245/40R19 (Rear: 265/35R19)
245/40R19 tire has a diameter of 26.7". These temporary spare tires fit the acceptable tire diameter range of 25.9" to 27.5".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T145/60R20from $271.36 | 26.9" | 0.7% |
| T145/80D18from $257.05 | 27.1" | 1.5% |
| T155/70R18from $178.60 | 26.6" | -0.4% |
| T165/80R17from $166.85 | 27.4" | 2.6% |
| T135/90R17from $158.19 | 26.6" | -0.4% |
| T135/70R19from $147.99 | 26.5" | -0.7% |
| T145/65R20from $146.43 | 27.4" | 2.6% |
| T135/80R18from $125.96 | 26.5" | -0.7% |
| T165/80D17from $124.93 | 27.4" | 2.6% |
| T145/70D18from $118.97 | 26" | -2.6% |
| T155/80D17from $97.90 | 26.8" | 0.4% |
| T155/90D16from $92.99 | 27" | 1.1% |
| T145/90D16from $88.99 | 26.3" | -1.5% |
| T145/80D17from $81.99 | 26.1" | -2.2% |
| T155/80R17 | 26.8" | 0.4% |
| T155/90R16 | 27" | 1.1% |
| T165/70D17 | 26.1" | -2.2% |
| T165/70D18 | 27.1" | 1.5% |
| T165/70R17 | 26.1" | -2.2% |
| T165/70R18 | 27.1" | 1.5% |
| T185/55D18 | 26" | -2.6% |
| T155/70D18 | 26.6" | -0.4% |
| T145/90R17 | 27.3" | 2.2% |
| T145/90R16 | 26.3" | -1.5% |
| T145/90D17 | 27.3" | 2.2% |
| T145/80R18 | 27.1" | 1.5% |
| T145/80R17 | 26.1" | -2.2% |
| T145/70R18 | 26" | -2.6% |
| T135/90D17 | 26.6" | -0.4% |
| T135/80D18 | 26.5" | -0.7% |
| T185/55R18 | 26" | -2.6% |
P225/50R18
P225/50R18 tire has a diameter of 26.9". These temporary spare tires fit the acceptable tire diameter range of 26.1" to 27.7".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T145/60R20from $271.36 | 26.9" | 0% |
| T145/80D18from $257.05 | 27.1" | 0.7% |
| T155/70R19from $237.96 | 27.6" | 2.6% |
| T155/70R18from $178.60 | 26.6" | -1.1% |
| T165/80R17from $166.85 | 27.4" | 1.9% |
| T135/90R17from $158.19 | 26.6" | -1.1% |
| T135/70R19from $147.99 | 26.5" | -1.5% |
| T145/65R20from $146.43 | 27.4" | 1.9% |
| T135/80R18from $125.96 | 26.5" | -1.5% |
| T165/80D17from $124.93 | 27.4" | 1.9% |
| T155/80D17from $97.90 | 26.8" | -0.4% |
| T155/90D16from $92.99 | 27" | 0.4% |
| T145/90D16from $88.99 | 26.3" | -2.2% |
| T165/70D18 | 27.1" | 0.7% |
| T155/90R16 | 27" | 0.4% |
| T155/80R17 | 26.8" | -0.4% |
| T155/70D18 | 26.6" | -1.1% |
| T145/90R17 | 27.3" | 1.5% |
| T145/90R16 | 26.3" | -2.2% |
| T145/90D17 | 27.3" | 1.5% |
| T145/80R18 | 27.1" | 0.7% |
| T135/90D17 | 26.6" | -1.1% |
| T135/80D18 | 26.5" | -1.5% |
| T165/70R18 | 27.1" | 0.7% |
P225/55R17
P225/55R17 tire has a diameter of 26.8". These temporary spare tires fit the acceptable tire diameter range of 26" to 27.6".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T145/60R20from $271.36 | 26.9" | 0.4% |
| T145/80D18from $257.05 | 27.1" | 1.1% |
| T155/70R18from $178.60 | 26.6" | -0.7% |
| T165/80R17from $166.85 | 27.4" | 2.2% |
| T135/90R17from $158.19 | 26.6" | -0.7% |
| T135/70R19from $147.99 | 26.5" | -1.1% |
| T145/65R20from $146.43 | 27.4" | 2.2% |
| T135/80R18from $125.96 | 26.5" | -1.1% |
| T165/80D17from $124.93 | 27.4" | 2.2% |
| T155/80D17from $97.90 | 26.8" | 0% |
| T155/90D16from $92.99 | 27" | 0.7% |
| T145/90D16from $88.99 | 26.3" | -1.9% |
| T145/80D17from $81.99 | 26.1" | -2.6% |
| T165/70R17 | 26.1" | -2.6% |
| T165/70D18 | 27.1" | 1.1% |
| T165/70D17 | 26.1" | -2.6% |
| T155/90R16 | 27" | 0.7% |
| T155/80R17 | 26.8" | 0% |
| T155/70D18 | 26.6" | -0.7% |
| T145/90R17 | 27.3" | 1.9% |
| T145/90R16 | 26.3" | -1.9% |
| T145/90D17 | 27.3" | 1.9% |
| T145/80R18 | 27.1" | 1.1% |
| T145/80R17 | 26.1" | -2.6% |
| T135/90D17 | 26.6" | -0.7% |
| T135/80D18 | 26.5" | -1.1% |
| T165/70R18 | 27.1" | 1.1% |
P245/40R19
P245/40R19 tire has a diameter of 26.7". These temporary spare tires fit the acceptable tire diameter range of 25.9" to 27.5".
| Spare Size | Spare Diameter | Diameter Differential |
|---|---|---|
| T145/60R20from $271.36 | 26.9" | 0.7% |
| T145/80D18from $257.05 | 27.1" | 1.5% |
| T155/70R18from $178.60 | 26.6" | -0.4% |
| T165/80R17from $166.85 | 27.4" | 2.6% |
| T135/90R17from $158.19 | 26.6" | -0.4% |
| T135/70R19from $147.99 | 26.5" | -0.7% |
| T145/65R20from $146.43 | 27.4" | 2.6% |
| T135/80R18from $125.96 | 26.5" | -0.7% |
| T165/80D17from $124.93 | 27.4" | 2.6% |
| T145/70D18from $118.97 | 26" | -2.6% |
| T155/80D17from $97.90 | 26.8" | 0.4% |
| T155/90D16from $92.99 | 27" | 1.1% |
| T145/90D16from $88.99 | 26.3" | -1.5% |
| T145/80D17from $81.99 | 26.1" | -2.2% |
| T155/80R17 | 26.8" | 0.4% |
| T155/90R16 | 27" | 1.1% |
| T165/70D17 | 26.1" | -2.2% |
| T165/70D18 | 27.1" | 1.5% |
| T165/70R17 | 26.1" | -2.2% |
| T165/70R18 | 27.1" | 1.5% |
| T185/55D18 | 26" | -2.6% |
| T155/70D18 | 26.6" | -0.4% |
| T145/90R17 | 27.3" | 2.2% |
| T145/90R16 | 26.3" | -1.5% |
| T145/90D17 | 27.3" | 2.2% |
| T145/80R18 | 27.1" | 1.5% |
| T145/80R17 | 26.1" | -2.2% |
| T145/70R18 | 26" | -2.6% |
| T135/90D17 | 26.6" | -0.4% |
| T135/80D18 | 26.5" | -0.7% |
| T185/55R18 | 26" | -2.6% |
More Infiniti Q50 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.