2018 Toyota Sienna Spare Tire

The Toyota Sienna, a popular minivan known for its reliability and versatility, comes equipped with a spare tire to ensure driver safety in case of a flat tire. Usually, the spare tire for most Toyota Sienna models is a compact, temporary or "donut" tire, designed for emergency use to get you to the nearest service station. It is not intended for long-term or high-speed use. Depending on the model year of the Sienna, the spare tire size may vary, but commonly it's a T155/80D17 for newer models. Notably, some older Sienna models may have a full-size spare tire. It's worth mentioning that the location of the spare tire also varies: older models typically store it underneath the vehicle, while newer models place it inside, under the cargo area.

2018 Toyota Sienna comes with 3 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 Toyota dealership to confirm the correct 2018 Toyota Sienna spare tire size.

235/55R18

235/55R18 tire has a diameter of 28.1". These temporary spare tires fit the acceptable tire diameter range of 27.3" to 28.9".

Spare Size	Spare Diameter	Diameter Differential
T155/70R19from $237.96	27.6"	-1.8%
T155/85D18from $185.43	28.4"	1.1%
T145/80R19from $183.34	28.1"	0%
T155/80R19from $173.33	28.8"	2.5%
T165/80R17from $166.85	27.4"	-2.5%
T145/65R20from $146.43	27.4"	-2.5%
T165/80D17from $124.93	27.4"	-2.5%
T165/90R17from $119.99	28.7"	2.1%
T145/85R18from $118.73	27.7"	-1.4%
T155/90D17from $114.99	28"	-0.4%
T165/90D17from $109.43	28.7"	2.1%
T155/90R17	28"	-0.4%
T155/80R18	27.8"	-1.1%
T155/80D19	28.8"	2.5%
T155/80D18	27.8"	-1.1%
T165/60R20	27.8"	-1.1%

P235/50R19

P235/50R19 tire has a diameter of 28.3". These temporary spare tires fit the acceptable tire diameter range of 27.5" to 29.1".

Spare Size	Spare Diameter	Diameter Differential
T155/70R19from $237.96	27.6"	-2.5%
T155/85D18from $185.43	28.4"	0.4%
T145/80R19from $183.34	28.1"	-0.7%
T155/80R19from $173.33	28.8"	1.8%
T155/90D18from $163.99	29"	2.5%
T155/90R18from $134.96	29"	2.5%
T165/90R17from $119.99	28.7"	1.4%
T145/85R18from $118.73	27.7"	-2.1%
T155/90D17from $114.99	28"	-1.1%
T165/90D17from $109.43	28.7"	1.4%
T155/80D18	27.8"	-1.8%
T155/80D19	28.8"	1.8%
T155/80R18	27.8"	-1.8%
T155/90R17	28"	-1.1%
T165/60R20	27.8"	-1.8%
T175/80D18	29"	2.5%
T175/80R18	29"	2.5%

P235/60R17

P235/60R17 tire has a diameter of 28.1". These temporary spare tires fit the acceptable tire diameter range of 27.3" to 28.9".

Spare Size	Spare Diameter	Diameter Differential
T155/70R19from $237.96	27.6"	-1.8%
T155/85D18from $185.43	28.4"	1.1%
T145/80R19from $183.34	28.1"	0%
T155/80R19from $173.33	28.8"	2.5%
T165/80R17from $166.85	27.4"	-2.5%
T145/65R20from $146.43	27.4"	-2.5%
T165/80D17from $124.93	27.4"	-2.5%
T165/90R17from $119.99	28.7"	2.1%
T145/85R18from $118.73	27.7"	-1.4%
T155/90D17from $114.99	28"	-0.4%
T165/90D17from $109.43	28.7"	2.1%
T155/90R17	28"	-0.4%
T155/80R18	27.8"	-1.1%
T155/80D19	28.8"	2.5%
T155/80D18	27.8"	-1.1%
T165/60R20	27.8"	-1.1%

More Toyota Sienna 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.