Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/50-15 | 315/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.61 (676) | 29.88 (759) | 3.27 (83) 12.3% |
| Width inches (mm) | 11.61 (295) | 12.4 (315) | 0.79 (20) 6.8% |
| Circum. inches (mm) | 83.61 (2123.72) | 93.88 (2384.47) | 10.27 (260.75) 12.3% |
| Sidewall Height inches (mm) | 5.81 (147.5) | 7.44 (189) | 1.63 (41.5) 28.1% |
| Revolutions per mile (km) | 757.8 (470.87) | 674.93 (419.38) | -82.87 (-51.49) -10.9% |
315/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.46 mph (36.14 km/h) |
| 25 mph (40.23 km/h) | 28.07 mph (45.17 km/h) |
| 30 mph (48.28 km/h) | 33.68 mph (54.21 km/h) |
| 35 mph (56.33 km/h) | 39.3 mph (63.24 km/h) |
| 40 mph (64.37 km/h) | 44.91 mph (72.28 km/h) |
| 45 mph (72.42 km/h) | 50.53 mph (81.31 km/h) |
| 50 mph (80.47 km/h) | 56.14 mph (90.35 km/h) |
| 55 mph (88.51 km/h) | 61.75 mph (99.38 km/h) |
| 60 mph (96.56 km/h) | 67.37 mph (108.42 km/h) |
| 65 mph (104.61 km/h) | 72.98 mph (117.45 km/h) |
| 70 mph (112.65 km/h) | 78.59 mph (126.49 km/h) |
| 75 mph (120.7 km/h) | 84.21 mph (135.52 km/h) |
| 80 mph (128.75 km/h) | 89.82 mph (144.56 km/h) |
| 85 mph (136.79 km/h) | 95.44 mph (153.59 km/h) |
| 90 mph (144.84 km/h) | 101.05 mph (162.62 km/h) |
| 95 mph (152.89 km/h) | 106.66 mph (171.66 km/h) |
| 100 mph (160.93 km/h) | 112.28 mph (180.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1718 | 1995 | 2149 | 2244 | 2346 | 2419 | 2500 | 2595 | 2726 | 2858 | 3004 | 3121 | 3333 | 3567 | 3749 | 3866 | 3932 | 4173 | 4510 | 5240 |
Better Fuel Economy Factory Ratios Increased Power
