225/50R15
Standard MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
Factory Spec Overview
The 225/50R15 tire size features an overall diameter of 23.86 inches, a section width of 8.9 inches (225mm), and rotates 845 times per mile. It is a standard factory tire fitment on 15+ vehicle models including Porsche 928.
Physical Dimensions & Specs
Overall Diameter
23.86"
606.0 mmSection Width
225 mm
8.86" wideSidewall Height
4.43"
112.5 mm (50% aspect)Revolutions / Mile
845
Circumference: 74.95"Rim Diameter
15"
Wheel sizeRecommended Rim Width
5.6" - 7.9"
Optimal rim width rangeSpeedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare 225/50R15 against any proposed tire size below:
Popular Comparisons:
Tire 1 (Stock / Base)225/50R15
Overall Height:23.9"
Sidewall:4.4"
Revs/Mile:845
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682
Visual Tire & Wheel Comparison
Speedometer Variance
+24.0%At 60 mph reading, actual speed is 74.4 mph
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 24.8 mph | +4.8 mph |
| 30 mph | 37.2 mph | +7.2 mph |
| 45 mph | 55.8 mph | +10.8 mph |
| 60 mph | 74.4 mph | +14.4 mph |
| 75 mph | 93.0 mph | +18.0 mph |
| 90 mph | 111.6 mph | +21.6 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:+2.86" ground clearance
Vehicles That Fit 225/50R15 (15+ Models)
Factory standard and optional vehicle fitments utilizing 225/50R15 tires: