Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/90-12 | 100/70-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.09 (484.8) | 17.51 (444.8) | -1.57 (-40) -8.3% |
| Width inches (mm) | 3.94 (100) | 3.94 (100) | 0 (0) 0% |
| Circum. inches (mm) | 59.96 (1523.04) | 55.01 (1397.38) | -4.95 (-125.66) -8.3% |
| Sidewall Height inches (mm) | 3.54 (90) | 2.76 (70) | -0.79 (-20) -22.2% |
| Revolutions per mile (km) | 1056.66 (656.58) | 1151.69 (715.62) | 95.02 (59.04) 9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.35 mph (29.53 km/h) |
| 25 mph (40.23 km/h) | 22.94 mph (36.91 km/h) |
| 30 mph (48.28 km/h) | 27.52 mph (44.3 km/h) |
| 35 mph (56.33 km/h) | 32.11 mph (51.68 km/h) |
| 40 mph (64.37 km/h) | 36.7 mph (59.06 km/h) |
| 45 mph (72.42 km/h) | 41.29 mph (66.45 km/h) |
| 50 mph (80.47 km/h) | 45.87 mph (73.83 km/h) |
| 55 mph (88.51 km/h) | 50.46 mph (81.21 km/h) |
| 60 mph (96.56 km/h) | 55.05 mph (88.59 km/h) |
| 65 mph (104.61 km/h) | 59.64 mph (95.98 km/h) |
| 70 mph (112.65 km/h) | 64.22 mph (103.36 km/h) |
| 75 mph (120.7 km/h) | 68.81 mph (110.74 km/h) |
| 80 mph (128.75 km/h) | 73.4 mph (118.13 km/h) |
| 85 mph (136.79 km/h) | 77.99 mph (125.51 km/h) |
| 90 mph (144.84 km/h) | 82.57 mph (132.89 km/h) |
| 95 mph (152.89 km/h) | 87.16 mph (140.27 km/h) |
| 100 mph (160.93 km/h) | 91.75 mph (147.66 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
