Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/66-17 | 310/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.77 (781.6) | 33.09 (840.4) | 2.31 (58.8) 7.5% |
| Width inches (mm) | 10.43 (265) | 12.2 (310) | 1.77 (45) 17% |
| Circum. inches (mm) | 96.67 (2455.47) | 103.94 (2640.19) | 7.27 (184.73) 7.5% |
| Sidewall Height inches (mm) | 6.89 (174.9) | 8.54 (217) | 1.66 (42.1) 24.1% |
| Revolutions per mile (km) | 655.41 (407.25) | 609.56 (378.76) | -45.86 (-28.49) -7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.5 mph (34.61 km/h) |
| 25 mph (40.23 km/h) | 26.88 mph (43.26 km/h) |
| 30 mph (48.28 km/h) | 32.26 mph (51.91 km/h) |
| 35 mph (56.33 km/h) | 37.63 mph (60.56 km/h) |
| 40 mph (64.37 km/h) | 43.01 mph (69.22 km/h) |
| 45 mph (72.42 km/h) | 48.39 mph (77.87 km/h) |
| 50 mph (80.47 km/h) | 53.76 mph (86.52 km/h) |
| 55 mph (88.51 km/h) | 59.14 mph (95.17 km/h) |
| 60 mph (96.56 km/h) | 64.51 mph (103.83 km/h) |
| 65 mph (104.61 km/h) | 69.89 mph (112.48 km/h) |
| 70 mph (112.65 km/h) | 75.27 mph (121.13 km/h) |
| 75 mph (120.7 km/h) | 80.64 mph (129.78 km/h) |
| 80 mph (128.75 km/h) | 86.02 mph (138.43 km/h) |
| 85 mph (136.79 km/h) | 91.39 mph (147.09 km/h) |
| 90 mph (144.84 km/h) | 96.77 mph (155.74 km/h) |
| 95 mph (152.89 km/h) | 102.15 mph (164.39 km/h) |
| 100 mph (160.93 km/h) | 107.52 mph (173.04 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1551 | 1802 | 1941 | 2026 | 2119 | 2185 | 2257 | 2343 | 2462 | 2581 | 2713 | 2819 | 3010 | 3221 | 3386 | 3492 | 3551 | 3769 | 4073 | 4733 |
Better Fuel Economy Factory Ratios Increased Power
