Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/90-12 | 80/80-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.09 (484.8) | 17.04 (432.8) | -2.05 (-52) -10.7% |
| Width inches (mm) | 3.94 (100) | 3.15 (80) | -0.79 (-20) -20% |
| Circum. inches (mm) | 59.96 (1523.04) | 53.53 (1359.68) | -6.43 (-163.36) -10.7% |
| Sidewall Height inches (mm) | 3.54 (90) | 2.52 (64) | -1.02 (-26) -28.9% |
| Revolutions per mile (km) | 1056.66 (656.58) | 1183.62 (735.47) | 126.96 (78.89) 12% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.85 mph (28.73 km/h) |
| 25 mph (40.23 km/h) | 22.32 mph (35.92 km/h) |
| 30 mph (48.28 km/h) | 26.78 mph (43.1 km/h) |
| 35 mph (56.33 km/h) | 31.25 mph (50.29 km/h) |
| 40 mph (64.37 km/h) | 35.71 mph (57.47 km/h) |
| 45 mph (72.42 km/h) | 40.17 mph (64.65 km/h) |
| 50 mph (80.47 km/h) | 44.64 mph (71.84 km/h) |
| 55 mph (88.51 km/h) | 49.1 mph (79.02 km/h) |
| 60 mph (96.56 km/h) | 53.56 mph (86.2 km/h) |
| 65 mph (104.61 km/h) | 58.03 mph (93.39 km/h) |
| 70 mph (112.65 km/h) | 62.49 mph (100.57 km/h) |
| 75 mph (120.7 km/h) | 66.96 mph (107.75 km/h) |
| 80 mph (128.75 km/h) | 71.42 mph (114.94 km/h) |
| 85 mph (136.79 km/h) | 75.88 mph (122.12 km/h) |
| 90 mph (144.84 km/h) | 80.35 mph (129.31 km/h) |
| 95 mph (152.89 km/h) | 84.81 mph (136.49 km/h) |
| 100 mph (160.93 km/h) | 89.27 mph (143.67 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
