Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/90-17 | 110/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.5 (647.8) | 23.06 (585.8) | -2.44 (-62) -9.6% |
| Width inches (mm) | 4.72 (120) | 4.33 (110) | -0.39 (-10) -8.3% |
| Circum. inches (mm) | 80.12 (2035.12) | 72.45 (1840.34) | -7.67 (-194.78) -9.6% |
| Sidewall Height inches (mm) | 4.25 (108) | 3.03 (77) | -1.22 (-31) -28.7% |
| Revolutions per mile (km) | 790.78 (491.37) | 874.48 (543.38) | 83.7 (52.01) 10.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.09 mph (29.11 km/h) |
| 25 mph (40.23 km/h) | 22.61 mph (36.38 km/h) |
| 30 mph (48.28 km/h) | 27.13 mph (43.66 km/h) |
| 35 mph (56.33 km/h) | 31.65 mph (50.94 km/h) |
| 40 mph (64.37 km/h) | 36.17 mph (58.21 km/h) |
| 45 mph (72.42 km/h) | 40.69 mph (65.49 km/h) |
| 50 mph (80.47 km/h) | 45.21 mph (72.77 km/h) |
| 55 mph (88.51 km/h) | 49.74 mph (80.04 km/h) |
| 60 mph (96.56 km/h) | 54.26 mph (87.32 km/h) |
| 65 mph (104.61 km/h) | 58.78 mph (94.6 km/h) |
| 70 mph (112.65 km/h) | 63.3 mph (101.87 km/h) |
| 75 mph (120.7 km/h) | 67.82 mph (109.15 km/h) |
| 80 mph (128.75 km/h) | 72.34 mph (116.43 km/h) |
| 85 mph (136.79 km/h) | 76.86 mph (123.7 km/h) |
| 90 mph (144.84 km/h) | 81.39 mph (130.98 km/h) |
| 95 mph (152.89 km/h) | 85.91 mph (138.26 km/h) |
| 100 mph (160.93 km/h) | 90.43 mph (145.53 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
