P245/40R19
Passenger / P-MetricFactory Specs, Physical Dimensions & Compatible Vehicle Applications
Factory Spec Overview
The P245/40R19 tire size features an overall diameter of 26.72 inches, a section width of 9.6 inches (245mm), and rotates 755 times per mile. It is a standard factory tire fitment on 61+ vehicle models including Buick LaCrosse.
Physical Dimensions & Specs
Overall Diameter
26.72"
678.7 mmSection Width
245 mm
9.65" wideSidewall Height
3.86"
98.0 mm (40% aspect)Revolutions / Mile
755
Circumference: 83.93"Rim Diameter
19"
Wheel sizeRecommended Rim Width
6.1" - 8.6"
Optimal rim width rangeSpeedometer & Alternate Size Calculator
Testing an alternate size for your vehicle? Compare P245/40R19 against any proposed tire size below:
Popular Comparisons:
Tire 1 (Stock / Base)245/40R19
Overall Height:26.7"
Sidewall:3.9"
Revs/Mile:755
Tire 2 (New / Compare)245/60R18
Overall Height:29.6"
Sidewall:5.8"
Revs/Mile:682
Visual Tire & Wheel Comparison
Speedometer Variance
+10.7%At 60 mph reading, actual speed is 66.4 mph
| Indicated | Actual Speed | Diff |
|---|---|---|
| 20 mph | 22.1 mph | +2.1 mph |
| 30 mph | 33.2 mph | +3.2 mph |
| 45 mph | 49.8 mph | +4.8 mph |
| 60 mph | 66.4 mph | +6.4 mph |
| 75 mph | 83.0 mph | +8.0 mph |
| 90 mph | 99.6 mph | +9.6 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:+1.43" ground clearance
Vehicles That Fit P245/40R19 (61+ Models)
Factory standard and optional vehicle fitments utilizing P245/40R19 tires: