T115/70R15 Spare Tire

T115/70R15 is a spare tire with a radial construction that requires a 15" wheel. It is designed to provide temporary mobility for your vehicle in the event of a flat tire due to puncture. T115/70R15 spare fits a variety of vehicles with tire diameter range of 20.8" to 22" tall.

If you need a spare tire cover, you need to know the tire diameter. T115/70R15 spare has a diameter of 21.4 inches.

T115/70R15 spare is also available in bias or diagonal ply construction as T115/70D15.


Buy T115/70R15 Tires from $115.56

How to read T115/70R15 spare tire size?

T115/70R15 is a Temporary Spare tire that is designed as a short term solution intended for emergency use only. Let's take a closer look at each aspect of T115/70R15 tire dimensions.

T stands for temporary spare tire type. 115 is the width of the tire in millimeters. This tire is 115 mm wide from one sidewall to the other. 70 is the aspect ratio. It represents the height of the sidewall as a percentage of the tire's width. In this case, the sidewall height of the tire is 70% of its width. 15 is the diameter of the wheel in inches. This tire is designed to fit on a 15-inch wheel.

T115/70R15 Section Width
4.5"
21.4"
T115/70R15 Tire Side
Tire Circumference
67.2"
15"
3.2"
943 Revs/Mile
Metric Inches
Tread Width 115 mm 4.5"
Aspect Ratio 70%
Rim Diameter 381 mm 15"
Tire Diameter 543 mm 21.4"
Sidewall Height 81 mm 3.2"
Circumference 1705 mm 67.2"
Revolutions 587 per km 943 per mile

What tires can be temporarily replaced with a T115/70R15 spare?

T115/70R15 spare should only be used as a replacement for a tire of similar size. Since this is a 15-inch tire, it should ideally be used as a replacement for another 15-inch tire. However, it could potentially be used as a temporary replacement for any tire, as long as its overall diameter is not significantly different from the original tire.

It is important to note that spare tires have a speed limit, and should not be driven for long distances.

OEM Tire Size Diameter Differential
145R12 0%
165/70R12 -1.1%
P145/80R12 -1.1%
155/70R13 0.9%
165/65R13 0.2%
P155/70R13 0.9%
P165/65R13 0.2%

What vehicles can use T115/70R15 spare tire?

There are 5 vehicle models that can potentially use T115/70R15 as a spare tire. It is important to note that spare tire should match the specifications of the vehicle it is used on. T115/70R15 spare should ideally have the same or higher load index to ensure adequate load capacity to be able to carry your vehicle's weight. It is best to consult your vehicle's owner manual or contact the manufacturer to determine if T115/70R15 spare tire is appropriate for your vehicle.

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.