Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/80-16 | 120/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.56 (598.4) | 23.61 (599.8) | 0.06 (1.4) 0.2% |
| Width inches (mm) | 4.72 (120) | 4.72 (120) | 0 (0) 0% |
| Circum. inches (mm) | 74.01 (1879.93) | 74.19 (1884.33) | 0.17 (4.4) 0.2% |
| Sidewall Height inches (mm) | 3.78 (96) | 3.31 (84) | -0.47 (-12) -12.5% |
| Revolutions per mile (km) | 856.07 (531.93) | 854.07 (530.69) | -2 (-1.24) -0.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.05 mph (32.26 km/h) |
| 25 mph (40.23 km/h) | 25.06 mph (40.33 km/h) |
| 30 mph (48.28 km/h) | 30.07 mph (48.39 km/h) |
| 35 mph (56.33 km/h) | 35.08 mph (56.46 km/h) |
| 40 mph (64.37 km/h) | 40.09 mph (64.52 km/h) |
| 45 mph (72.42 km/h) | 45.11 mph (72.59 km/h) |
| 50 mph (80.47 km/h) | 50.12 mph (80.66 km/h) |
| 55 mph (88.51 km/h) | 55.13 mph (88.72 km/h) |
| 60 mph (96.56 km/h) | 60.14 mph (96.79 km/h) |
| 65 mph (104.61 km/h) | 65.15 mph (104.85 km/h) |
| 70 mph (112.65 km/h) | 70.16 mph (112.92 km/h) |
| 75 mph (120.7 km/h) | 75.18 mph (120.98 km/h) |
| 80 mph (128.75 km/h) | 80.19 mph (129.05 km/h) |
| 85 mph (136.79 km/h) | 85.2 mph (137.11 km/h) |
| 90 mph (144.84 km/h) | 90.21 mph (145.18 km/h) |
| 95 mph (152.89 km/h) | 95.22 mph (153.25 km/h) |
| 100 mph (160.93 km/h) | 100.23 mph (161.31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2173 | 2525 | 2719 | 2839 | 2969 | 3061 | 3163 | 3283 | 3450 | 3616 | 3801 | 3949 | 4217 | 4513 | 4745 | 4893 | 4976 | 5281 | 5706 | 6631 |
Better Fuel Economy Factory Ratios Increased Power
