Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-12 | 110/90-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 18.61 (472.8) | 19.8 (502.8) | 1.18 (30) 6.3% |
| Width inches (mm) | 4.72 (120) | 4.33 (110) | -0.39 (-10) -8.3% |
| Circum. inches (mm) | 58.48 (1485.35) | 62.19 (1579.59) | 3.71 (94.25) 6.3% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.9 (99) | 0.59 (15) 17.9% |
| Revolutions per mile (km) | 1083.48 (673.24) | 1018.83 (633.07) | -64.65 (-40.17) -6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.27 mph (34.23 km/h) |
| 25 mph (40.23 km/h) | 26.59 mph (42.79 km/h) |
| 30 mph (48.28 km/h) | 31.9 mph (51.34 km/h) |
| 35 mph (56.33 km/h) | 37.22 mph (59.9 km/h) |
| 40 mph (64.37 km/h) | 42.54 mph (68.46 km/h) |
| 45 mph (72.42 km/h) | 47.86 mph (77.02 km/h) |
| 50 mph (80.47 km/h) | 53.17 mph (85.57 km/h) |
| 55 mph (88.51 km/h) | 58.49 mph (94.13 km/h) |
| 60 mph (96.56 km/h) | 63.81 mph (102.69 km/h) |
| 65 mph (104.61 km/h) | 69.12 mph (111.25 km/h) |
| 70 mph (112.65 km/h) | 74.44 mph (119.8 km/h) |
| 75 mph (120.7 km/h) | 79.76 mph (128.36 km/h) |
| 80 mph (128.75 km/h) | 85.08 mph (136.92 km/h) |
| 85 mph (136.79 km/h) | 90.39 mph (145.47 km/h) |
| 90 mph (144.84 km/h) | 95.71 mph (154.03 km/h) |
| 95 mph (152.89 km/h) | 101.03 mph (162.59 km/h) |
| 100 mph (160.93 km/h) | 106.35 mph (171.15 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
