Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/80-17 | 110/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.56 (623.8) | 23.06 (585.8) | -1.5 (-38) -6.1% |
| Width inches (mm) | 4.72 (120) | 4.33 (110) | -0.39 (-10) -8.3% |
| Circum. inches (mm) | 77.15 (1959.73) | 72.45 (1840.34) | -4.7 (-119.38) -6.1% |
| Sidewall Height inches (mm) | 3.78 (96) | 3.03 (77) | -0.75 (-19) -19.8% |
| Revolutions per mile (km) | 821.21 (510.27) | 874.48 (543.38) | 53.27 (33.1) 6.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.78 mph (30.23 km/h) |
| 25 mph (40.23 km/h) | 23.48 mph (37.78 km/h) |
| 30 mph (48.28 km/h) | 28.17 mph (45.34 km/h) |
| 35 mph (56.33 km/h) | 32.87 mph (52.9 km/h) |
| 40 mph (64.37 km/h) | 37.56 mph (60.45 km/h) |
| 45 mph (72.42 km/h) | 42.26 mph (68.01 km/h) |
| 50 mph (80.47 km/h) | 46.95 mph (75.57 km/h) |
| 55 mph (88.51 km/h) | 51.65 mph (83.12 km/h) |
| 60 mph (96.56 km/h) | 56.34 mph (90.68 km/h) |
| 65 mph (104.61 km/h) | 61.04 mph (98.24 km/h) |
| 70 mph (112.65 km/h) | 65.74 mph (105.79 km/h) |
| 75 mph (120.7 km/h) | 70.43 mph (113.35 km/h) |
| 80 mph (128.75 km/h) | 75.13 mph (120.9 km/h) |
| 85 mph (136.79 km/h) | 79.82 mph (128.46 km/h) |
| 90 mph (144.84 km/h) | 84.52 mph (136.02 km/h) |
| 95 mph (152.89 km/h) | 89.21 mph (143.57 km/h) |
| 100 mph (160.93 km/h) | 93.91 mph (151.13 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
