Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 26/11-12 | 225/80-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.06 (661.92) | 26.17 (664.8) | 0.11 (2.88) 0.4% |
| Width inches (mm) | 10.98 (279) | 8.86 (225) | -2.13 (-54) -19.4% |
| Circum. inches (mm) | 81.87 (2079.48) | 82.23 (2088.53) | 0.36 (9.05) 0.4% |
| Sidewall Height inches (mm) | 7.03 (178.56) | 7.09 (180) | 0.06 (1.44) 0.8% |
| Revolutions per mile (km) | 773.92 (480.89) | 770.56 (478.8) | -3.35 (-2.08) -0.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.09 mph (32.33 km/h) |
| 25 mph (40.23 km/h) | 25.11 mph (40.41 km/h) |
| 30 mph (48.28 km/h) | 30.13 mph (48.49 km/h) |
| 35 mph (56.33 km/h) | 35.15 mph (56.57 km/h) |
| 40 mph (64.37 km/h) | 40.17 mph (64.65 km/h) |
| 45 mph (72.42 km/h) | 45.2 mph (72.74 km/h) |
| 50 mph (80.47 km/h) | 50.22 mph (80.82 km/h) |
| 55 mph (88.51 km/h) | 55.24 mph (88.9 km/h) |
| 60 mph (96.56 km/h) | 60.26 mph (96.98 km/h) |
| 65 mph (104.61 km/h) | 65.28 mph (105.06 km/h) |
| 70 mph (112.65 km/h) | 70.3 mph (113.14 km/h) |
| 75 mph (120.7 km/h) | 75.33 mph (121.23 km/h) |
| 80 mph (128.75 km/h) | 80.35 mph (129.31 km/h) |
| 85 mph (136.79 km/h) | 85.37 mph (137.39 km/h) |
| 90 mph (144.84 km/h) | 90.39 mph (145.47 km/h) |
| 95 mph (152.89 km/h) | 95.41 mph (153.55 km/h) |
| 100 mph (160.93 km/h) | 100.44 mph (161.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1961 | 2278 | 2453 | 2562 | 2679 | 2762 | 2854 | 2962 | 3112 | 3263 | 3430 | 3563 | 3805 | 4072 | 4281 | 4414 | 4489 | 4765 | 5148 | 5983 |
Better Fuel Economy Factory Ratios Increased Power
