255/30R19
Standard MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
The 255/30R19 tire size features an overall diameter of 25.02 inches, a section width of 10.0 inches (255mm), and rotates 806 times per mile. It is a standard factory tire fitment on 2+ vehicle models including BMW Z4.
Physical Dimensions & Specs
Overall Diameter
25.02"
635.5 mmSection Width
255 mm
10.04" wideSidewall Height
3.01"
76.5 mm (30% aspect)Revolutions / Mile
806
Circumference: 78.61"Rim Diameter
19"
Wheel sizeRecommended Rim Width
6.4" - 8.9"
Optimal rim width rangeWhere to Buy & Install 255/30R19 Tires
Looking for 255/30R19 tires? Skip hauling tires in your car—choose direct delivery to a local certified shop or doorstep delivery:
Tire Rack
Free shipping directly to over 10,000+ certified local installers.
- ✓Delivered to local installer (Firestone, Discount Tire & local shops)
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- ✓Free 2-year road hazard warranty on most eligible tire models
Amazon Automotive
Fast doorstep shipping for DIYers or bringing to your own shop.
- ✓Prime doorstep shipping for home garages or spares
- ✓Huge range of budget and specialty tire sizes in stock
- ✓Ideal if you have a local independent mechanic you prefer
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Speedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare 255/30R19 against any proposed tire size below:
Visual Tire & Wheel Comparison
Speedometer Variance
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 23.6 mph | +3.6 mph |
| 30 mph | 35.5 mph | +5.5 mph |
| 45 mph | 53.2 mph | +8.2 mph |
| 60 mph | 70.9 mph | +10.9 mph |
| 75 mph | 88.6 mph | +13.6 mph |
| 90 mph | 106.4 mph | +16.4 mph |
Fender & Suspension Clearance
Flush fitment. Extends 17.7mm outwards. Check wheel arch clearance under full suspension compression.
Vehicles That Fit 255/30R19 (2+ Models)
Factory standard and optional vehicle fitments utilizing 255/30R19 tires: