225/40R19
225/40R19 ships as an OEM size on the Kia Stinger. At 26.09″ diameter with a 3.54″ sidewall (40% of section width), this size turns 773 revolutions per mile.
About 225/40R19
Factory fitments for 225/40R19 include the Kia Stinger — meaning replacement tires in this size see steady demand and broad brand availability. At 26.09″ overall diameter, 225/40R19 turns 773 revolutions per mile, which is the reference point the factory speedometer and odometer were calibrated against. The 40% aspect ratio gives it a low-profile sidewall that delivers sharp steering response but transmits road imperfections. The 19″ rim pairing is typical for full-size truck, premium SUV, and sport-sedan platforms, so compatible wheels are easy to source new or used. Going one step shorter to 245/35R19 drops diameter by 1.28%, which stays within the ±3% fitment safe zone for most vehicles. Stepping up to 235/40R19 adds 1.21% 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 26.09″ 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 aliases225/40R19
- Diameter
- 26.09″ / 662.6mm
- Section Width
- 8.86″
- Sidewall
- 3.54″ / 90mm
- Circumference
- 81.95″
- Revs/Mile
- 773
225/45R19
- Diameter
- 26.97″ / 685.1mm
- Section Width
- 8.86″
- Sidewall
- 3.99″ / 101.25mm
- Circumference
- 84.74″
- Revs/Mile
- 748
Speedometer & Diameter Impact
At an indicated 60 mph, your actual speed is 62.04 mph (99.84 km/h). Your speedometer reads 3.40% low versus actual speed.