325/40R22
Standard MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
The 325/40R22 tire size features an overall diameter of 32.24 inches, a section width of 12.8 inches (325mm), and rotates 626 times per mile. It is a standard factory tire fitment on 11+ vehicle models including Mercedes-Benz GLS63 AMG, Mercedes-Benz Maybach GLS600.
Physical Dimensions & Specs
Overall Diameter
32.24"
818.9 mmSection Width
325 mm
12.80" wideSidewall Height
5.12"
130.0 mm (40% aspect)Revolutions / Mile
626
Circumference: 101.27"Rim Diameter
22"
Wheel sizeRecommended Rim Width
8.1" - 11.4"
Optimal rim width rangeWhere to Buy & Install 325/40R22 Tires
Looking for 325/40R22 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 325/40R22 against any proposed tire size below:
Visual Tire & Wheel Comparison
Speedometer Variance
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 18.3 mph | -1.7 mph |
| 30 mph | 27.5 mph | -2.5 mph |
| 45 mph | 41.3 mph | -3.7 mph |
| 60 mph | 55.0 mph | -5.0 mph |
| 75 mph | 68.8 mph | -6.2 mph |
| 90 mph | 82.6 mph | -7.4 mph |
Fender & Suspension Clearance
Flush fitment. Extends 17.7mm outwards. Check wheel arch clearance under full suspension compression.
Vehicles That Fit 325/40R22 (11+ Models)
Factory standard and optional vehicle fitments utilizing 325/40R22 tires: