225/35R18
Standard MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
Factory Spec Overview
The 225/35R18 tire size features an overall diameter of 24.2 inches, a section width of 8.9 inches (225mm), and rotates 833 times per mile. It is a standard factory tire fitment on 1+ vehicle models including Mini Cooper.
Physical Dimensions & Specs
Overall Diameter
24.2"
614.7 mmSection Width
225 mm
8.86" wideSidewall Height
3.1"
78.7 mm (35% aspect)Revolutions / Mile
833
Circumference: 76.03"Rim Diameter
18"
Wheel sizeRecommended Rim Width
5.6" - 7.9"
Optimal rim width rangeSpeedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare 225/35R18 against any proposed tire size below:
Popular Comparisons:
Tire 1 (Stock / Base)225/35R18
Overall Height:24.2"
Sidewall:3.1"
Revs/Mile:833
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682
Visual Tire & Wheel Comparison
Speedometer Variance
+22.2%At 60 mph reading, actual speed is 73.3 mph
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 24.4 mph | +4.4 mph |
| 30 mph | 36.7 mph | +6.7 mph |
| 45 mph | 55.0 mph | +10.0 mph |
| 60 mph | 73.3 mph | +13.3 mph |
| 75 mph | 91.7 mph | +16.7 mph |
| 90 mph | 110.0 mph | +20.0 mph |
Fender & Suspension Clearance
Fitment Status: MODERATE RISK
Flush fitment. Extends 17.7mm outwards. Check wheel arch clearance under full suspension compression.
Inner Strut Space:7.7mm LESS clearance
Outer Fender Push:Extends 17.7mm further out
Ride Height Delta:+2.69" ground clearance
Vehicles That Fit 225/35R18 (1+ Models)
Factory standard and optional vehicle fitments utilizing 225/35R18 tires: