Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/60-12 | 100/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 17.67 (448.8) | 18.72 (475.6) | 1.06 (26.8) 6% |
| Width inches (mm) | 4.72 (120) | 3.94 (100) | -0.79 (-20) -16.7% |
| Circum. inches (mm) | 55.51 (1409.95) | 58.82 (1494.14) | 3.31 (84.19) 6% |
| Sidewall Height inches (mm) | 2.83 (72) | 2.36 (60) | -0.47 (-12) -16.7% |
| Revolutions per mile (km) | 1141.42 (709.25) | 1077.1 (669.28) | -64.32 (-39.97) -5.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.19 mph (34.11 km/h) |
| 25 mph (40.23 km/h) | 26.49 mph (42.64 km/h) |
| 30 mph (48.28 km/h) | 31.79 mph (51.16 km/h) |
| 35 mph (56.33 km/h) | 37.09 mph (59.69 km/h) |
| 40 mph (64.37 km/h) | 42.39 mph (68.22 km/h) |
| 45 mph (72.42 km/h) | 47.69 mph (76.75 km/h) |
| 50 mph (80.47 km/h) | 52.99 mph (85.27 km/h) |
| 55 mph (88.51 km/h) | 58.28 mph (93.8 km/h) |
| 60 mph (96.56 km/h) | 63.58 mph (102.33 km/h) |
| 65 mph (104.61 km/h) | 68.88 mph (110.85 km/h) |
| 70 mph (112.65 km/h) | 74.18 mph (119.38 km/h) |
| 75 mph (120.7 km/h) | 79.48 mph (127.91 km/h) |
| 80 mph (128.75 km/h) | 84.78 mph (136.44 km/h) |
| 85 mph (136.79 km/h) | 90.08 mph (144.96 km/h) |
| 90 mph (144.84 km/h) | 95.37 mph (153.49 km/h) |
| 95 mph (152.89 km/h) | 100.67 mph (162.02 km/h) |
| 100 mph (160.93 km/h) | 105.97 mph (170.54 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
