285/30R19
Standard MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
Factory Spec Overview
The 285/30R19 tire size features an overall diameter of 25.73 inches, a section width of 11.2 inches (285mm), and rotates 784 times per mile. It is a standard factory tire fitment on 73+ vehicle models including Alfa Romeo Giulia.
Physical Dimensions & Specs
Overall Diameter
25.73"
653.5 mmSection Width
285 mm
11.22" wideSidewall Height
3.37"
85.6 mm (30% aspect)Revolutions / Mile
784
Circumference: 80.84"Rim Diameter
19"
Wheel sizeRecommended Rim Width
7.1" - 10"
Optimal rim width rangeSpeedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare 285/30R19 against any proposed tire size below:
Popular Comparisons:
Tire 1 (Stock / Base)285/30R19
Overall Height:25.7"
Sidewall:3.4"
Revs/Mile:784
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682
Visual Tire & Wheel Comparison
Speedometer Variance
+14.9%At 60 mph reading, actual speed is 69.0 mph
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 23.0 mph | +3.0 mph |
| 30 mph | 34.5 mph | +4.5 mph |
| 45 mph | 51.7 mph | +6.7 mph |
| 60 mph | 69.0 mph | +9.0 mph |
| 75 mph | 86.2 mph | +11.2 mph |
| 90 mph | 103.4 mph | +13.4 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:+1.92" ground clearance
Vehicles That Fit 285/30R19 (73+ Models)
Factory standard and optional vehicle fitments utilizing 285/30R19 tires: