Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/60-17 | 315/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.46 (773.8) | 31.88 (809.8) | 1.42 (36) 4.7% |
| Width inches (mm) | 11.22 (285) | 12.4 (315) | 1.18 (30) 10.5% |
| Circum. inches (mm) | 95.71 (2430.96) | 100.16 (2544.06) | 4.45 (113.1) 4.7% |
| Sidewall Height inches (mm) | 6.73 (171) | 7.44 (189) | 0.71 (18) 10.5% |
| Revolutions per mile (km) | 662.02 (411.36) | 632.59 (393.07) | -29.43 (-18.29) -4.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.93 mph (33.68 km/h) |
| 25 mph (40.23 km/h) | 26.16 mph (42.11 km/h) |
| 30 mph (48.28 km/h) | 31.4 mph (50.53 km/h) |
| 35 mph (56.33 km/h) | 36.63 mph (58.95 km/h) |
| 40 mph (64.37 km/h) | 41.86 mph (67.37 km/h) |
| 45 mph (72.42 km/h) | 47.09 mph (75.79 km/h) |
| 50 mph (80.47 km/h) | 52.33 mph (84.21 km/h) |
| 55 mph (88.51 km/h) | 57.56 mph (92.63 km/h) |
| 60 mph (96.56 km/h) | 62.79 mph (101.05 km/h) |
| 65 mph (104.61 km/h) | 68.02 mph (109.47 km/h) |
| 70 mph (112.65 km/h) | 73.26 mph (117.9 km/h) |
| 75 mph (120.7 km/h) | 78.49 mph (126.32 km/h) |
| 80 mph (128.75 km/h) | 83.72 mph (134.74 km/h) |
| 85 mph (136.79 km/h) | 88.95 mph (143.16 km/h) |
| 90 mph (144.84 km/h) | 94.19 mph (151.58 km/h) |
| 95 mph (152.89 km/h) | 99.42 mph (160 km/h) |
| 100 mph (160.93 km/h) | 104.65 mph (168.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1610 | 1870 | 2014 | 2103 | 2199 | 2267 | 2343 | 2432 | 2555 | 2678 | 2815 | 2925 | 3124 | 3343 | 3514 | 3624 | 3685 | 3912 | 4227 | 4912 |
Better Fuel Economy Factory Ratios Increased Power
