Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/75-17 | 255/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.74 (679.3) | 30.05 (763.3) | 3.31 (84) 12.4% |
| Width inches (mm) | 6.5 (165) | 10.04 (255) | 3.54 (90) 54.5% |
| Circum. inches (mm) | 84.02 (2134.08) | 94.41 (2397.98) | 10.39 (263.89) 12.4% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 6.53 (165.75) | 1.65 (42) 33.9% |
| Revolutions per mile (km) | 754.11 (468.58) | 671.13 (417.02) | -82.99 (-51.57) -11% |
255/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.47 mph (36.17 km/h) |
| 25 mph (40.23 km/h) | 28.09 mph (45.21 km/h) |
| 30 mph (48.28 km/h) | 33.71 mph (54.25 km/h) |
| 35 mph (56.33 km/h) | 39.33 mph (63.29 km/h) |
| 40 mph (64.37 km/h) | 44.95 mph (72.33 km/h) |
| 45 mph (72.42 km/h) | 50.56 mph (81.38 km/h) |
| 50 mph (80.47 km/h) | 56.18 mph (90.42 km/h) |
| 55 mph (88.51 km/h) | 61.8 mph (99.46 km/h) |
| 60 mph (96.56 km/h) | 67.42 mph (108.5 km/h) |
| 65 mph (104.61 km/h) | 73.04 mph (117.54 km/h) |
| 70 mph (112.65 km/h) | 78.66 mph (126.58 km/h) |
| 75 mph (120.7 km/h) | 84.27 mph (135.63 km/h) |
| 80 mph (128.75 km/h) | 89.89 mph (144.67 km/h) |
| 85 mph (136.79 km/h) | 95.51 mph (153.71 km/h) |
| 90 mph (144.84 km/h) | 101.13 mph (162.75 km/h) |
| 95 mph (152.89 km/h) | 106.75 mph (171.79 km/h) |
| 100 mph (160.93 km/h) | 112.37 mph (180.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1708 | 1984 | 2137 | 2231 | 2333 | 2406 | 2486 | 2580 | 2711 | 2842 | 2987 | 3103 | 3314 | 3547 | 3728 | 3845 | 3910 | 4150 | 4484 | 5211 |
Better Fuel Economy Factory Ratios Increased Power
