P275/70R18
Passenger / P-MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
Factory Spec Overview
The P275/70R18 tire size features an overall diameter of 33.16 inches, a section width of 10.8 inches (275mm), and rotates 608 times per mile. It is a standard factory tire fitment on 45+ vehicle models including Nissan Titan.
Physical Dimensions & Specs
Overall Diameter
33.16"
842.3 mmSection Width
275 mm
10.83" wideSidewall Height
7.58"
192.5 mm (70% aspect)Revolutions / Mile
608
Circumference: 104.17"Rim Diameter
18"
Wheel sizeRecommended Rim Width
6.9" - 9.6"
Optimal rim width rangeSpeedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare P275/70R18 against any proposed tire size below:
Popular Comparisons:
Tire 1 (Stock / Base)275/70R18
Overall Height:33.2"
Sidewall:7.6"
Revs/Mile:608
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682
Visual Tire & Wheel Comparison
Speedometer Variance
-10.8%At 60 mph reading, actual speed is 53.5 mph
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 17.8 mph | -2.2 mph |
| 30 mph | 26.8 mph | -3.2 mph |
| 45 mph | 40.1 mph | -4.9 mph |
| 60 mph | 53.5 mph | -6.5 mph |
| 75 mph | 66.9 mph | -8.1 mph |
| 90 mph | 80.3 mph | -9.7 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:-1.79" lower ground clearance
Vehicles That Fit P275/70R18 (45+ Models)
Factory standard and optional vehicle fitments utilizing P275/70R18 tires: