Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-19 | 315/25-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.2 (640.1) | 23.2 (589.3) | -2 (-50.8) -7.9% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 79.17 (2010.93) | 72.89 (1851.34) | -6.28 (-159.59) -7.9% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 3.1 (78.75) | 0 (0) 0% |
| Revolutions per mile (km) | 800.3 (497.28) | 869.29 (540.15) | 68.99 (42.87) 8.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.41 mph (29.63 km/h) |
| 25 mph (40.23 km/h) | 23.02 mph (37.04 km/h) |
| 30 mph (48.28 km/h) | 27.62 mph (44.45 km/h) |
| 35 mph (56.33 km/h) | 32.22 mph (51.86 km/h) |
| 40 mph (64.37 km/h) | 36.83 mph (59.27 km/h) |
| 45 mph (72.42 km/h) | 41.43 mph (66.67 km/h) |
| 50 mph (80.47 km/h) | 46.03 mph (74.08 km/h) |
| 55 mph (88.51 km/h) | 50.64 mph (81.49 km/h) |
| 60 mph (96.56 km/h) | 55.24 mph (88.9 km/h) |
| 65 mph (104.61 km/h) | 59.84 mph (96.31 km/h) |
| 70 mph (112.65 km/h) | 64.44 mph (103.71 km/h) |
| 75 mph (120.7 km/h) | 69.05 mph (111.12 km/h) |
| 80 mph (128.75 km/h) | 73.65 mph (118.53 km/h) |
| 85 mph (136.79 km/h) | 78.25 mph (125.94 km/h) |
| 90 mph (144.84 km/h) | 82.86 mph (133.35 km/h) |
| 95 mph (152.89 km/h) | 87.46 mph (140.75 km/h) |
| 100 mph (160.93 km/h) | 92.06 mph (148.16 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2212 | 2570 | 2768 | 2890 | 3022 | 3116 | 3219 | 3342 | 3511 | 3681 | 3869 | 4020 | 4293 | 4594 | 4829 | 4980 | 5064 | 5375 | 5808 | 6749 |
Better Fuel Economy Factory Ratios Increased Power
