225/55R19
225/55R19 ships as an OEM size on the Chevrolet Equinox, Chevrolet Trailblazer, Ford Escape. At 28.74″ diameter with a 4.87″ sidewall (55% of section width), this size turns 702 revolutions per mile.
About 225/55R19
Factory fitments for 225/55R19 include the Chevrolet Equinox, Chevrolet Trailblazer, Ford Escape — meaning replacement tires in this size see steady demand and broad brand availability. At 28.74″ overall diameter, 225/55R19 turns 702 revolutions per mile, which is the reference point the factory speedometer and odometer were calibrated against. The 55% aspect ratio gives it a moderate sidewall suited to sporty street driving and responsive turn-in. 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 245/50R19 drops diameter by 0.34%, which stays within the ±3% fitment safe zone for most vehicles. Stepping up to 235/55R19 adds 1.51% 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 28.74″ 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 aliases225/55R19
- Diameter
- 28.74″ / 730.1mm
- Section Width
- 8.86″
- Sidewall
- 4.87″ / 123.75mm
- Circumference
- 90.3″
- Revs/Mile
- 702
235/45R19
- Diameter
- 27.33″ / 694.1mm
- Section Width
- 9.25″
- Sidewall
- 4.16″ / 105.75mm
- Circumference
- 85.85″
- Revs/Mile
- 738
Speedometer & Diameter Impact
At an indicated 60 mph, your actual speed is 57.04 mph (91.8 km/h). Your speedometer reads 4.93% high versus actual speed.
Vehicles that fit 225/55R19
- 2024 Chevrolet EquinoxPremier
- 2023 Chevrolet EquinoxPremier
- 2022 Chevrolet EquinoxPremier
- 2021 Chevrolet EquinoxPremier
- 2024 Chevrolet TrailblazerRS
- 2023 Chevrolet TrailblazerRS
- 2022 Chevrolet TrailblazerRS
- 2021 Chevrolet TrailblazerRS
- 2024 Ford EscapeTitanium
- 2023 Ford EscapeTitanium
- 2022 Ford EscapeTitanium
- 2021 Ford EscapeTitanium