285/65R18
Standard MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
Factory Spec Overview
The 285/65R18 tire size features an overall diameter of 32.59 inches, a section width of 11.2 inches (285mm), and rotates 619 times per mile. It is a standard factory tire fitment on 7+ vehicle models including Toyota Tundra, Toyota Sequoia.
Physical Dimensions & Specs
Overall Diameter
32.59"
827.8 mmSection Width
285 mm
11.22" wideSidewall Height
7.29"
185.2 mm (65% aspect)Revolutions / Mile
619
Circumference: 102.37"Rim Diameter
18"
Wheel sizeRecommended Rim Width
7.1" - 10"
Optimal rim width rangeSpeedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare 285/65R18 against any proposed tire size below:
Popular Comparisons:
Tire 1 (Stock / Base)285/65R18
Overall Height:32.6"
Sidewall:7.3"
Revs/Mile:619
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682
Visual Tire & Wheel Comparison
Speedometer Variance
-9.2%At 60 mph reading, actual speed is 54.5 mph
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 18.2 mph | -1.8 mph |
| 30 mph | 27.2 mph | -2.8 mph |
| 45 mph | 40.8 mph | -4.2 mph |
| 60 mph | 54.5 mph | -5.5 mph |
| 75 mph | 68.1 mph | -6.9 mph |
| 90 mph | 81.7 mph | -8.3 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:-1.51" lower ground clearance
Vehicles That Fit 285/65R18 (7+ Models)
Factory standard and optional vehicle fitments utilizing 285/65R18 tires: