285/40R23
Standard MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
The 285/40R23 tire size features an overall diameter of 31.98 inches, a section width of 11.2 inches (285mm), and rotates 631 times per mile. It is a standard factory tire fitment on 10+ vehicle models including Land Rover Range Rover, Land Rover Range Rover Sport.
Physical Dimensions & Specs
Overall Diameter
31.98"
812.3 mmSection Width
285 mm
11.22" wideSidewall Height
4.49"
114.0 mm (40% aspect)Revolutions / Mile
631
Circumference: 100.46"Rim Diameter
23"
Wheel sizeRecommended Rim Width
7.1" - 10"
Optimal rim width rangeWhere to Buy & Install 285/40R23 Tires
Looking for 285/40R23 tires? Skip hauling tires in your car—choose direct delivery to a local certified shop or doorstep delivery:
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Speedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare 285/40R23 against any proposed tire size below:
Visual Tire & Wheel Comparison
Speedometer Variance
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 18.5 mph | -1.5 mph |
| 30 mph | 27.7 mph | -2.3 mph |
| 45 mph | 41.6 mph | -3.4 mph |
| 60 mph | 55.5 mph | -4.5 mph |
| 75 mph | 69.4 mph | -5.6 mph |
| 90 mph | 83.2 mph | -6.8 mph |
Fender & Suspension Clearance
Flush fitment. Extends 17.7mm outwards. Check wheel arch clearance under full suspension compression.
Vehicles That Fit 285/40R23 (10+ Models)
Factory standard and optional vehicle fitments utilizing 285/40R23 tires: