235/65R19
235/65R19 is uncommon as OEM fitment but appears as an aftermarket upsize option. At 31.03″ diameter with a 6.01″ sidewall (65% of section width), this size turns 650 revolutions per mile.
About 235/65R19
235/65R19 is less common as a factory fitment but is available as an aftermarket size, so SKU selection is narrower than mainstream OEM sizes. At 31.03″ overall diameter, 235/65R19 turns 650 revolutions per mile, which is the reference point the factory speedometer and odometer were calibrated against. The 65% aspect ratio gives it a balanced sidewall — enough compliance for daily comfort without vague steering. 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 245/60R19 drops diameter by 1.46%, which stays within the ±3% fitment safe zone for most vehicles. Stepping up to 255/60R19 adds 0.06% 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 31.03″ 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 aliases235/65R19
- Diameter
- 31.03″ / 788.1mm
- Section Width
- 9.25″
- Sidewall
- 6.01″ / 152.75mm
- Circumference
- 97.48″
- Revs/Mile
- 650
235/60R19
- Diameter
- 30.1″ / 764.6mm
- Section Width
- 9.25″
- Sidewall
- 5.55″ / 141mm
- Circumference
- 94.57″
- Revs/Mile
- 670
Speedometer & Diameter Impact
At an indicated 60 mph, your actual speed is 58.21 mph (93.68 km/h). Your speedometer reads 2.98% high versus actual speed.