Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/75-17 | 317/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.74 (679.3) | 35.72 (907.3) | 8.98 (228) 33.6% |
| Width inches (mm) | 6.5 (165) | 12.48 (317) | 5.98 (152) 92.1% |
| Circum. inches (mm) | 84.02 (2134.08) | 112.22 (2850.37) | 28.2 (716.28) 33.6% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 9.36 (237.75) | 4.49 (114) 92.1% |
| Revolutions per mile (km) | 754.11 (468.58) | 564.61 (350.83) | -189.51 (-117.75) -25.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.71 mph (42.99 km/h) |
| 25 mph (40.23 km/h) | 33.39 mph (53.74 km/h) |
| 30 mph (48.28 km/h) | 40.07 mph (64.49 km/h) |
| 35 mph (56.33 km/h) | 46.75 mph (75.23 km/h) |
| 40 mph (64.37 km/h) | 53.43 mph (85.98 km/h) |
| 45 mph (72.42 km/h) | 60.1 mph (96.73 km/h) |
| 50 mph (80.47 km/h) | 66.78 mph (107.48 km/h) |
| 55 mph (88.51 km/h) | 73.46 mph (118.22 km/h) |
| 60 mph (96.56 km/h) | 80.14 mph (128.97 km/h) |
| 65 mph (104.61 km/h) | 86.82 mph (139.72 km/h) |
| 70 mph (112.65 km/h) | 93.49 mph (150.47 km/h) |
| 75 mph (120.7 km/h) | 100.17 mph (161.21 km/h) |
| 80 mph (128.75 km/h) | 106.85 mph (171.96 km/h) |
| 85 mph (136.79 km/h) | 113.53 mph (182.71 km/h) |
| 90 mph (144.84 km/h) | 120.21 mph (193.46 km/h) |
| 95 mph (152.89 km/h) | 126.89 mph (204.2 km/h) |
| 100 mph (160.93 km/h) | 133.56 mph (214.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1437 | 1669 | 1798 | 1877 | 1963 | 2024 | 2091 | 2171 | 2281 | 2391 | 2513 | 2611 | 2788 | 2984 | 3137 | 3234 | 3289 | 3491 | 3772 | 4384 |
Better Fuel Economy Factory Ratios Increased Power
