295/40R21
Standard MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
Factory Spec Overview
The 295/40R21 tire size features an overall diameter of 30.29 inches, a section width of 11.6 inches (295mm), and rotates 666 times per mile. It is a standard factory tire fitment on 28+ vehicle models including Jaguar F-Pace.
Physical Dimensions & Specs
Overall Diameter
30.29"
769.4 mmSection Width
295 mm
11.61" wideSidewall Height
4.65"
118.1 mm (40% aspect)Revolutions / Mile
666
Circumference: 95.16"Rim Diameter
21"
Wheel sizeRecommended Rim Width
7.4" - 10.3"
Optimal rim width rangeSpeedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare 295/40R21 against any proposed tire size below:
Popular Comparisons:
Tire 1 (Stock / Base)295/40R21
Overall Height:30.3"
Sidewall:4.6"
Revs/Mile:666
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682
Visual Tire & Wheel Comparison
Speedometer Variance
-2.4%At 60 mph reading, actual speed is 58.6 mph
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 19.5 mph | -0.5 mph |
| 30 mph | 29.3 mph | -0.7 mph |
| 45 mph | 43.9 mph | -1.1 mph |
| 60 mph | 58.6 mph | -1.4 mph |
| 75 mph | 73.2 mph | -1.8 mph |
| 90 mph | 87.9 mph | -2.1 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:-0.36" lower ground clearance
Vehicles That Fit 295/40R21 (28+ Models)
Factory standard and optional vehicle fitments utilizing 295/40R21 tires: