Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/66-17 | 310/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.77 (781.6) | 34.31 (871.4) | 3.54 (89.8) 11.5% |
| Width inches (mm) | 10.43 (265) | 12.2 (310) | 1.77 (45) 17% |
| Circum. inches (mm) | 96.67 (2455.47) | 107.78 (2737.58) | 11.11 (282.12) 11.5% |
| Sidewall Height inches (mm) | 6.89 (174.9) | 9.15 (232.5) | 2.27 (57.6) 32.9% |
| Revolutions per mile (km) | 655.41 (407.25) | 587.87 (365.28) | -67.54 (-41.97) -10.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.3 mph (35.88 km/h) |
| 25 mph (40.23 km/h) | 27.87 mph (44.86 km/h) |
| 30 mph (48.28 km/h) | 33.45 mph (53.83 km/h) |
| 35 mph (56.33 km/h) | 39.02 mph (62.8 km/h) |
| 40 mph (64.37 km/h) | 44.6 mph (71.77 km/h) |
| 45 mph (72.42 km/h) | 50.17 mph (80.74 km/h) |
| 50 mph (80.47 km/h) | 55.74 mph (89.71 km/h) |
| 55 mph (88.51 km/h) | 61.32 mph (98.68 km/h) |
| 60 mph (96.56 km/h) | 66.89 mph (107.65 km/h) |
| 65 mph (104.61 km/h) | 72.47 mph (116.63 km/h) |
| 70 mph (112.65 km/h) | 78.04 mph (125.6 km/h) |
| 75 mph (120.7 km/h) | 83.62 mph (134.57 km/h) |
| 80 mph (128.75 km/h) | 89.19 mph (143.54 km/h) |
| 85 mph (136.79 km/h) | 94.77 mph (152.51 km/h) |
| 90 mph (144.84 km/h) | 100.34 mph (161.48 km/h) |
| 95 mph (152.89 km/h) | 105.91 mph (170.45 km/h) |
| 100 mph (160.93 km/h) | 111.49 mph (179.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1496 | 1738 | 1872 | 1954 | 2043 | 2107 | 2177 | 2260 | 2375 | 2489 | 2616 | 2718 | 2903 | 3107 | 3266 | 3368 | 3425 | 3635 | 3928 | 4564 |
Better Fuel Economy Factory Ratios Increased Power
