Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 26/12-12 | 185/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.93 (658.6) | 25.93 (658.5) | -0 (-0.1) -0% |
| Width inches (mm) | 12.01 (305) | 7.28 (185) | -4.72 (-120) -39.3% |
| Circum. inches (mm) | 81.46 (2069.05) | 81.45 (2068.74) | -0.01 (-0.31) -0% |
| Sidewall Height inches (mm) | 6.96 (176.9) | 5.46 (138.75) | -1.5 (-38.15) -21.6% |
| Revolutions per mile (km) | 777.82 (483.31) | 777.93 (483.39) | 0.12 (0.07) 0% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20 mph (32.18 km/h) |
| 25 mph (40.23 km/h) | 25 mph (40.23 km/h) |
| 30 mph (48.28 km/h) | 30 mph (48.27 km/h) |
| 35 mph (56.33 km/h) | 34.99 mph (56.32 km/h) |
| 40 mph (64.37 km/h) | 39.99 mph (64.36 km/h) |
| 45 mph (72.42 km/h) | 44.99 mph (72.41 km/h) |
| 50 mph (80.47 km/h) | 49.99 mph (80.46 km/h) |
| 55 mph (88.51 km/h) | 54.99 mph (88.5 km/h) |
| 60 mph (96.56 km/h) | 59.99 mph (96.55 km/h) |
| 65 mph (104.61 km/h) | 64.99 mph (104.59 km/h) |
| 70 mph (112.65 km/h) | 69.99 mph (112.64 km/h) |
| 75 mph (120.7 km/h) | 74.99 mph (120.68 km/h) |
| 80 mph (128.75 km/h) | 79.99 mph (128.73 km/h) |
| 85 mph (136.79 km/h) | 84.99 mph (136.77 km/h) |
| 90 mph (144.84 km/h) | 89.99 mph (144.82 km/h) |
| 95 mph (152.89 km/h) | 94.99 mph (152.86 km/h) |
| 100 mph (160.93 km/h) | 99.98 mph (160.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1980 | 2300 | 2477 | 2586 | 2704 | 2788 | 2881 | 2991 | 3142 | 3294 | 3462 | 3597 | 3841 | 4111 | 4322 | 4456 | 4532 | 4810 | 5198 | 6040 |
Better Fuel Economy Factory Ratios Increased Power
