Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/90-12 | 110/80-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.5 (520.8) | 18.93 (480.8) | -1.57 (-40) -7.7% |
| Width inches (mm) | 4.72 (120) | 4.33 (110) | -0.39 (-10) -8.3% |
| Circum. inches (mm) | 64.42 (1636.14) | 59.47 (1510.48) | -4.95 (-125.66) -7.7% |
| Sidewall Height inches (mm) | 4.25 (108) | 3.46 (88) | -0.79 (-20) -18.5% |
| Revolutions per mile (km) | 983.62 (611.19) | 1065.45 (662.04) | 81.83 (50.85) 8.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.46 mph (29.71 km/h) |
| 25 mph (40.23 km/h) | 23.08 mph (37.14 km/h) |
| 30 mph (48.28 km/h) | 27.7 mph (44.57 km/h) |
| 35 mph (56.33 km/h) | 32.31 mph (52 km/h) |
| 40 mph (64.37 km/h) | 36.93 mph (59.43 km/h) |
| 45 mph (72.42 km/h) | 41.54 mph (66.86 km/h) |
| 50 mph (80.47 km/h) | 46.16 mph (74.29 km/h) |
| 55 mph (88.51 km/h) | 50.78 mph (81.72 km/h) |
| 60 mph (96.56 km/h) | 55.39 mph (89.14 km/h) |
| 65 mph (104.61 km/h) | 60.01 mph (96.57 km/h) |
| 70 mph (112.65 km/h) | 64.62 mph (104 km/h) |
| 75 mph (120.7 km/h) | 69.24 mph (111.43 km/h) |
| 80 mph (128.75 km/h) | 73.86 mph (118.86 km/h) |
| 85 mph (136.79 km/h) | 78.47 mph (126.29 km/h) |
| 90 mph (144.84 km/h) | 83.09 mph (133.72 km/h) |
| 95 mph (152.89 km/h) | 87.7 mph (141.15 km/h) |
| 100 mph (160.93 km/h) | 92.32 mph (148.57 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
