P145/80R12
Passenger / P-MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
The P145/80R12 tire size features an overall diameter of 21.13 inches, a section width of 5.7 inches (145mm), and rotates 954 times per mile. It is a standard factory tire fitment on 56+ vehicle models including Chevrolet Sprint.
Physical Dimensions & Specs
Overall Diameter
21.13"
536.7 mmSection Width
145 mm
5.71" wideSidewall Height
4.57"
116.1 mm (80% aspect)Revolutions / Mile
954
Circumference: 66.39"Rim Diameter
12"
Wheel sizeRecommended Rim Width
3.6" - 5.1"
Optimal rim width rangeWhere to Buy & Install P145/80R12 Tires
Looking for P145/80R12 tires? Skip hauling tires in your car—choose direct delivery to a local certified shop or doorstep delivery:
Tire Rack
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Amazon Automotive
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Speedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare P145/80R12 against any proposed tire size below:
Visual Tire & Wheel Comparison
Speedometer Variance
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 28.0 mph | +8.0 mph |
| 30 mph | 42.0 mph | +12.0 mph |
| 45 mph | 63.0 mph | +18.0 mph |
| 60 mph | 84.0 mph | +24.0 mph |
| 75 mph | 105.0 mph | +30.0 mph |
| 90 mph | 125.9 mph | +35.9 mph |
Fender & Suspension Clearance
Flush fitment. Extends 17.7mm outwards. Check wheel arch clearance under full suspension compression.
Vehicles That Fit P145/80R12 (56+ Models)
Factory standard and optional vehicle fitments utilizing P145/80R12 tires: