Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 26/12-12 | 300/60-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.93 (658.6) | 26.17 (664.8) | 0.24 (6.2) 0.9% |
| Width inches (mm) | 12.01 (305) | 11.81 (300) | -0.2 (-5) -1.6% |
| Circum. inches (mm) | 81.46 (2069.05) | 82.23 (2088.53) | 0.77 (19.48) 0.9% |
| Sidewall Height inches (mm) | 6.96 (176.9) | 7.09 (180) | 0.12 (3.1) 1.8% |
| Revolutions per mile (km) | 777.82 (483.31) | 770.56 (478.8) | -7.25 (-4.51) -0.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.19 mph (32.49 km/h) |
| 25 mph (40.23 km/h) | 25.24 mph (40.61 km/h) |
| 30 mph (48.28 km/h) | 30.28 mph (48.73 km/h) |
| 35 mph (56.33 km/h) | 35.33 mph (56.86 km/h) |
| 40 mph (64.37 km/h) | 40.38 mph (64.98 km/h) |
| 45 mph (72.42 km/h) | 45.42 mph (73.1 km/h) |
| 50 mph (80.47 km/h) | 50.47 mph (81.22 km/h) |
| 55 mph (88.51 km/h) | 55.52 mph (89.35 km/h) |
| 60 mph (96.56 km/h) | 60.56 mph (97.47 km/h) |
| 65 mph (104.61 km/h) | 65.61 mph (105.59 km/h) |
| 70 mph (112.65 km/h) | 70.66 mph (113.71 km/h) |
| 75 mph (120.7 km/h) | 75.71 mph (121.84 km/h) |
| 80 mph (128.75 km/h) | 80.75 mph (129.96 km/h) |
| 85 mph (136.79 km/h) | 85.8 mph (138.08 km/h) |
| 90 mph (144.84 km/h) | 90.85 mph (146.2 km/h) |
| 95 mph (152.89 km/h) | 95.89 mph (154.33 km/h) |
| 100 mph (160.93 km/h) | 100.94 mph (162.45 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
