215/50R16
215/50R16 is uncommon as OEM fitment but appears as an aftermarket upsize option. At 24.46″ diameter with a 4.23″ sidewall (50% of section width), this size turns 824 revolutions per mile.
About 215/50R16
215/50R16 is less common as a factory fitment but is available as an aftermarket size, so SKU selection is narrower than mainstream OEM sizes. At 24.46″ overall diameter, 215/50R16 turns 824 revolutions per mile, which is the reference point the factory speedometer and odometer were calibrated against. The 50% aspect ratio gives it a moderate sidewall suited to sporty street driving and responsive turn-in. The 16″ rim pairing is typical for light-truck, crossover, and mid-size SUV applications, so compatible wheels are easy to source new or used. Going one step shorter to 195/55R16 drops diameter by 0.08%, which stays within the ±3% fitment safe zone for most vehicles. Stepping up to 225/50R16 adds 1.61% diameter — also inside the safe window, with marginally taller ride height. If you are shopping for a direct replacement, any tire within roughly ±0.7″ of the 24.46″ 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 aliases215/50R16
- Diameter
- 24.46″ / 621.4mm
- Section Width
- 8.46″
- Sidewall
- 4.23″ / 107.5mm
- Circumference
- 76.86″
- Revs/Mile
- 824
195/50R16
- Diameter
- 23.68″ / 601.4mm
- Section Width
- 7.68″
- Sidewall
- 3.84″ / 97.5mm
- Circumference
- 74.38″
- Revs/Mile
- 852
Speedometer & Diameter Impact
At an indicated 60 mph, your actual speed is 58.07 mph (93.45 km/h). Your speedometer reads 3.22% high versus actual speed.