215/70R15
215/70R15 is uncommon as OEM fitment but appears as an aftermarket upsize option. At 26.85″ diameter with a 5.93″ sidewall (70% of section width), this size turns 751 revolutions per mile.
About 215/70R15
215/70R15 is less common as a factory fitment but is available as an aftermarket size, so SKU selection is narrower than mainstream OEM sizes. At 26.85″ overall diameter, 215/70R15 turns 751 revolutions per mile, which is the reference point the factory speedometer and odometer were calibrated against. The 70% aspect ratio gives it a tall, compliant sidewall that absorbs bumps well and protects rims off-road. The 15″ rim pairing is typical for compact-car and economy-vehicle platforms, so compatible wheels are easy to source new or used. Going one step shorter to 205/70R15 drops diameter by 2.05%, which stays within the ±3% fitment safe zone for most vehicles. If you are shopping for a direct replacement, any tire within roughly ±0.7″ of the 26.85″ stock diameter (about ±2% in percentage terms) will keep ABS, TPMS, and odometer readings inside the vehicle's designed tolerance.
Compare with another size
275/65R18 or "33" for inch aliases215/70R15
- Diameter
- 26.85″ / 682mm
- Section Width
- 8.46″
- Sidewall
- 5.93″ / 150.5mm
- Circumference
- 84.35″
- Revs/Mile
- 751
195/70R15
- Diameter
- 25.75″ / 654mm
- Section Width
- 7.68″
- Sidewall
- 5.37″ / 136.5mm
- Circumference
- 80.89″
- Revs/Mile
- 783
Speedometer & Diameter Impact
At an indicated 60 mph, your actual speed is 57.54 mph (92.6 km/h). Your speedometer reads 4.11% high versus actual speed.