Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-15 | 110/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.61 (549) | 23.06 (585.8) | 1.45 (36.8) 6.7% |
| Width inches (mm) | 4.72 (120) | 4.33 (110) | -0.39 (-10) -8.3% |
| Circum. inches (mm) | 67.9 (1724.73) | 72.45 (1840.34) | 4.55 (115.61) 6.7% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.03 (77) | -0.28 (-7) -8.3% |
| Revolutions per mile (km) | 933.1 (579.8) | 874.48 (543.38) | -58.62 (-36.42) -6.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.34 mph (34.34 km/h) |
| 25 mph (40.23 km/h) | 26.68 mph (42.93 km/h) |
| 30 mph (48.28 km/h) | 32.01 mph (51.52 km/h) |
| 35 mph (56.33 km/h) | 37.35 mph (60.1 km/h) |
| 40 mph (64.37 km/h) | 42.68 mph (68.69 km/h) |
| 45 mph (72.42 km/h) | 48.02 mph (77.28 km/h) |
| 50 mph (80.47 km/h) | 53.35 mph (85.86 km/h) |
| 55 mph (88.51 km/h) | 58.69 mph (94.45 km/h) |
| 60 mph (96.56 km/h) | 64.02 mph (103.03 km/h) |
| 65 mph (104.61 km/h) | 69.36 mph (111.62 km/h) |
| 70 mph (112.65 km/h) | 74.69 mph (120.21 km/h) |
| 75 mph (120.7 km/h) | 80.03 mph (128.79 km/h) |
| 80 mph (128.75 km/h) | 85.36 mph (137.38 km/h) |
| 85 mph (136.79 km/h) | 90.7 mph (145.96 km/h) |
| 90 mph (144.84 km/h) | 96.03 mph (154.55 km/h) |
| 95 mph (152.89 km/h) | 101.37 mph (163.14 km/h) |
| 100 mph (160.93 km/h) | 106.7 mph (171.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2225 | 2585 | 2784 | 2907 | 3040 | 3134 | 3239 | 3362 | 3532 | 3703 | 3892 | 4044 | 4318 | 4621 | 4858 | 5009 | 5095 | 5407 | 5843 | 6790 |
Better Fuel Economy Factory Ratios Increased Power
