Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/80-12 | 25/10-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.91 (632.8) | 25 (635) | 0.09 (2.2) 0.3% |
| Width inches (mm) | 8.07 (205) | 10 (254) | 1.93 (49) 23.9% |
| Circum. inches (mm) | 78.27 (1988) | 78.54 (1994.91) | 0.27 (6.91) 0.3% |
| Sidewall Height inches (mm) | 6.46 (164) | 6.5 (165.1) | 0.04 (1.1) 0.7% |
| Revolutions per mile (km) | 809.53 (503.02) | 806.72 (501.27) | -2.8 (-1.74) -0.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.07 mph (32.3 km/h) |
| 25 mph (40.23 km/h) | 25.09 mph (40.37 km/h) |
| 30 mph (48.28 km/h) | 30.1 mph (48.45 km/h) |
| 35 mph (56.33 km/h) | 35.12 mph (56.52 km/h) |
| 40 mph (64.37 km/h) | 40.14 mph (64.6 km/h) |
| 45 mph (72.42 km/h) | 45.16 mph (72.67 km/h) |
| 50 mph (80.47 km/h) | 50.17 mph (80.75 km/h) |
| 55 mph (88.51 km/h) | 55.19 mph (88.82 km/h) |
| 60 mph (96.56 km/h) | 60.21 mph (96.9 km/h) |
| 65 mph (104.61 km/h) | 65.23 mph (104.97 km/h) |
| 70 mph (112.65 km/h) | 70.24 mph (113.05 km/h) |
| 75 mph (120.7 km/h) | 75.26 mph (121.12 km/h) |
| 80 mph (128.75 km/h) | 80.28 mph (129.2 km/h) |
| 85 mph (136.79 km/h) | 85.3 mph (137.27 km/h) |
| 90 mph (144.84 km/h) | 90.31 mph (145.34 km/h) |
| 95 mph (152.89 km/h) | 95.33 mph (153.42 km/h) |
| 100 mph (160.93 km/h) | 100.35 mph (161.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2053 | 2385 | 2568 | 2682 | 2804 | 2892 | 2988 | 3101 | 3259 | 3416 | 3590 | 3730 | 3984 | 4263 | 4482 | 4621 | 4700 | 4988 | 5390 | 6264 |
Better Fuel Economy Factory Ratios Increased Power
