Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-12 | 120/60-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 18.61 (472.8) | 17.67 (448.8) | -0.94 (-24) -5.1% |
| Width inches (mm) | 4.72 (120) | 4.72 (120) | 0 (0) 0% |
| Circum. inches (mm) | 58.48 (1485.35) | 55.51 (1409.95) | -2.97 (-75.4) -5.1% |
| Sidewall Height inches (mm) | 3.31 (84) | 2.83 (72) | -0.47 (-12) -14.3% |
| Revolutions per mile (km) | 1083.48 (673.24) | 1141.42 (709.25) | 57.94 (36) 5.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.98 mph (30.55 km/h) |
| 25 mph (40.23 km/h) | 23.73 mph (38.19 km/h) |
| 30 mph (48.28 km/h) | 28.48 mph (45.83 km/h) |
| 35 mph (56.33 km/h) | 33.22 mph (53.47 km/h) |
| 40 mph (64.37 km/h) | 37.97 mph (61.11 km/h) |
| 45 mph (72.42 km/h) | 42.72 mph (68.74 km/h) |
| 50 mph (80.47 km/h) | 47.46 mph (76.38 km/h) |
| 55 mph (88.51 km/h) | 52.21 mph (84.02 km/h) |
| 60 mph (96.56 km/h) | 56.95 mph (91.66 km/h) |
| 65 mph (104.61 km/h) | 61.7 mph (99.3 km/h) |
| 70 mph (112.65 km/h) | 66.45 mph (106.94 km/h) |
| 75 mph (120.7 km/h) | 71.19 mph (114.57 km/h) |
| 80 mph (128.75 km/h) | 75.94 mph (122.21 km/h) |
| 85 mph (136.79 km/h) | 80.69 mph (129.85 km/h) |
| 90 mph (144.84 km/h) | 85.43 mph (137.49 km/h) |
| 95 mph (152.89 km/h) | 90.18 mph (145.13 km/h) |
| 100 mph (160.93 km/h) | 94.92 mph (152.77 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
