P275/40R19
Passenger / P-MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
The P275/40R19 tire size features an overall diameter of 27.66 inches, a section width of 10.8 inches (275mm), and rotates 729 times per mile. It is a standard factory tire fitment on 53+ vehicle models including Cadillac STS.
Physical Dimensions & Specs
Overall Diameter
27.66"
702.6 mmSection Width
275 mm
10.83" wideSidewall Height
4.33"
110.0 mm (40% aspect)Revolutions / Mile
729
Circumference: 86.9"Rim Diameter
19"
Wheel sizeRecommended Rim Width
6.9" - 9.6"
Optimal rim width rangeWhere to Buy & Install P275/40R19 Tires
Looking for P275/40R19 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 P275/40R19 against any proposed tire size below:
Visual Tire & Wheel Comparison
Speedometer Variance
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 21.4 mph | +1.4 mph |
| 30 mph | 32.1 mph | +2.1 mph |
| 45 mph | 48.1 mph | +3.1 mph |
| 60 mph | 64.2 mph | +4.2 mph |
| 75 mph | 80.2 mph | +5.2 mph |
| 90 mph | 96.2 mph | +6.2 mph |
Fender & Suspension Clearance
Flush fitment. Extends 17.7mm outwards. Check wheel arch clearance under full suspension compression.
Vehicles That Fit P275/40R19 (53+ Models)
Factory standard and optional vehicle fitments utilizing P275/40R19 tires: