P215/45R18
Passenger / P-MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
Factory Spec Overview
The P215/45R18 tire size features an overall diameter of 25.62 inches, a section width of 8.5 inches (215mm), and rotates 787 times per mile. It is a standard factory tire fitment on 36+ vehicle models including Mitsubishi Lancer.
Physical Dimensions & Specs
Overall Diameter
25.62"
650.7 mmSection Width
215 mm
8.46" wideSidewall Height
3.81"
96.8 mm (45% aspect)Revolutions / Mile
787
Circumference: 80.48"Rim Diameter
18"
Wheel sizeRecommended Rim Width
5.4" - 7.5"
Optimal rim width rangeSpeedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare P215/45R18 against any proposed tire size below:
Popular Comparisons:
Tire 1 (Stock / Base)215/45R18
Overall Height:25.6"
Sidewall:3.8"
Revs/Mile:787
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682
Visual Tire & Wheel Comparison
Speedometer Variance
+15.4%At 60 mph reading, actual speed is 69.3 mph
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 23.1 mph | +3.1 mph |
| 30 mph | 34.6 mph | +4.6 mph |
| 45 mph | 52.0 mph | +7.0 mph |
| 60 mph | 69.3 mph | +9.3 mph |
| 75 mph | 86.6 mph | +11.6 mph |
| 90 mph | 103.9 mph | +13.9 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:+1.98" ground clearance
Vehicles That Fit P215/45R18 (36+ Models)
Factory standard and optional vehicle fitments utilizing P215/45R18 tires: