P295/30R18
Passenger / P-MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
Factory Spec Overview
The P295/30R18 tire size features an overall diameter of 24.97 inches, a section width of 11.6 inches (295mm), and rotates 808 times per mile. It is a standard factory tire fitment on 11+ vehicle models including Dodge Viper.
Physical Dimensions & Specs
Overall Diameter
24.97"
634.2 mmSection Width
295 mm
11.61" wideSidewall Height
3.48"
88.4 mm (30% aspect)Revolutions / Mile
808
Circumference: 78.44"Rim Diameter
18"
Wheel sizeRecommended Rim Width
7.4" - 10.3"
Optimal rim width rangeSpeedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare P295/30R18 against any proposed tire size below:
Popular Comparisons:
Tire 1 (Stock / Base)295/30R18
Overall Height:25.0"
Sidewall:3.5"
Revs/Mile:808
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682
Visual Tire & Wheel Comparison
Speedometer Variance
+18.4%At 60 mph reading, actual speed is 71.1 mph
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 23.7 mph | +3.7 mph |
| 30 mph | 35.5 mph | +5.5 mph |
| 45 mph | 53.3 mph | +8.3 mph |
| 60 mph | 71.1 mph | +11.1 mph |
| 75 mph | 88.8 mph | +13.8 mph |
| 90 mph | 106.6 mph | +16.6 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:+2.30" ground clearance
Vehicles That Fit P295/30R18 (11+ Models)
Factory standard and optional vehicle fitments utilizing P295/30R18 tires: