295/40R20
Standard MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
Factory Spec Overview
The 295/40R20 tire size features an overall diameter of 29.29 inches, a section width of 11.6 inches (295mm), and rotates 689 times per mile. It is a standard factory tire fitment on 37+ vehicle models including Mercedes-Benz ML63.
Physical Dimensions & Specs
Overall Diameter
29.29"
744.0 mmSection Width
295 mm
11.61" wideSidewall Height
4.65"
118.1 mm (40% aspect)Revolutions / Mile
689
Circumference: 92.02"Rim Diameter
20"
Wheel sizeRecommended Rim Width
7.4" - 10.3"
Optimal rim width rangeSpeedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare 295/40R20 against any proposed tire size below:
Popular Comparisons:
Tire 1 (Stock / Base)295/40R20
Overall Height:29.3"
Sidewall:4.6"
Revs/Mile:689
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682
Visual Tire & Wheel Comparison
Speedometer Variance
+1.0%At 60 mph reading, actual speed is 60.6 mph
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 20.2 mph | +0.2 mph |
| 30 mph | 30.3 mph | +0.3 mph |
| 45 mph | 45.4 mph | +0.4 mph |
| 60 mph | 60.6 mph | +0.6 mph |
| 75 mph | 75.7 mph | +0.7 mph |
| 90 mph | 90.9 mph | +0.9 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:+0.14" ground clearance
Vehicles That Fit 295/40R20 (37+ Models)
Factory standard and optional vehicle fitments utilizing 295/40R20 tires: