1991 Buick Roadmaster Spare Tire
The Buick Roadmaster, a classic American automobile with a significant history, comes equipped with a spare tire as a standard part of its vehicle package. This spare tire is an essential tool for drivers, as it can be used to replace a flat or damaged tire when on the road, enabling them to continue their journey safely. Typically, the spare tire in a Buick Roadmaster matches the original factory tire specification in size and type for seamless compatibility. This means it could be a P225/70R15 tire, which is the standard tire size for many Buick Roadmaster models. However, it is always recommended to confirm the size mentioned in the vehicle's service manual or tire information placard available on the driver's door jamb for the accurate spare tire size needed. The type of spare tire may vary; it can be a temporary compact spare or a full-size spare depending on the model and year of the Buick Roadmaster.
1991 Buick Roadmaster comes with 1 OEM tire size option. 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 Buick dealership to confirm the correct 1991 Buick Roadmaster spare tire size.
P225/75R15
P225/75R15 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% |
More Buick Roadmaster 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.