Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/35-17 | 315/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.68 (652.3) | 29.88 (759) | 4.2 (106.7) 16.4% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 80.68 (2049.26) | 93.88 (2384.47) | 13.2 (335.21) 16.4% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 7.44 (189) | 3.1 (78.75) 71.4% |
| Revolutions per mile (km) | 785.33 (487.98) | 674.93 (419.38) | -110.4 (-68.6) -14.1% |
315/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.27 mph (37.45 km/h) |
| 25 mph (40.23 km/h) | 29.09 mph (46.81 km/h) |
| 30 mph (48.28 km/h) | 34.91 mph (56.18 km/h) |
| 35 mph (56.33 km/h) | 40.73 mph (65.54 km/h) |
| 40 mph (64.37 km/h) | 46.54 mph (74.9 km/h) |
| 45 mph (72.42 km/h) | 52.36 mph (84.27 km/h) |
| 50 mph (80.47 km/h) | 58.18 mph (93.63 km/h) |
| 55 mph (88.51 km/h) | 64 mph (102.99 km/h) |
| 60 mph (96.56 km/h) | 69.81 mph (112.36 km/h) |
| 65 mph (104.61 km/h) | 75.63 mph (121.72 km/h) |
| 70 mph (112.65 km/h) | 81.45 mph (131.08 km/h) |
| 75 mph (120.7 km/h) | 87.27 mph (140.44 km/h) |
| 80 mph (128.75 km/h) | 93.09 mph (149.81 km/h) |
| 85 mph (136.79 km/h) | 98.9 mph (159.17 km/h) |
| 90 mph (144.84 km/h) | 104.72 mph (168.53 km/h) |
| 95 mph (152.89 km/h) | 110.54 mph (177.9 km/h) |
| 100 mph (160.93 km/h) | 116.36 mph (187.26 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
