Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-10 | 120/70-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 16.61 (422) | 18.61 (472.8) | 2 (50.8) 12% |
| Width inches (mm) | 4.72 (120) | 4.72 (120) | 0 (0) 0% |
| Circum. inches (mm) | 52.19 (1325.75) | 58.48 (1485.35) | 6.28 (159.59) 12% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.31 (84) | 0 (0) 0% |
| Revolutions per mile (km) | 1213.91 (754.29) | 1083.48 (673.24) | -130.43 (-81.04) -10.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.41 mph (36.06 km/h) |
| 25 mph (40.23 km/h) | 28.01 mph (45.08 km/h) |
| 30 mph (48.28 km/h) | 33.61 mph (54.09 km/h) |
| 35 mph (56.33 km/h) | 39.21 mph (63.11 km/h) |
| 40 mph (64.37 km/h) | 44.82 mph (72.12 km/h) |
| 45 mph (72.42 km/h) | 50.42 mph (81.14 km/h) |
| 50 mph (80.47 km/h) | 56.02 mph (90.15 km/h) |
| 55 mph (88.51 km/h) | 61.62 mph (99.17 km/h) |
| 60 mph (96.56 km/h) | 67.22 mph (108.18 km/h) |
| 65 mph (104.61 km/h) | 72.82 mph (117.2 km/h) |
| 70 mph (112.65 km/h) | 78.43 mph (126.22 km/h) |
| 75 mph (120.7 km/h) | 84.03 mph (135.23 km/h) |
| 80 mph (128.75 km/h) | 89.63 mph (144.25 km/h) |
| 85 mph (136.79 km/h) | 95.23 mph (153.26 km/h) |
| 90 mph (144.84 km/h) | 100.83 mph (162.28 km/h) |
| 95 mph (152.89 km/h) | 106.44 mph (171.29 km/h) |
| 100 mph (160.93 km/h) | 112.04 mph (180.31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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
