Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 26/10-12 | 305/40-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26 (660.4) | 21.61 (548.8) | -4.39 (-111.6) -16.9% |
| Width inches (mm) | 10 (254) | 12.01 (305) | 2.01 (51) 20.1% |
| Circum. inches (mm) | 81.68 (2074.71) | 67.88 (1724.11) | -13.8 (-350.6) -16.9% |
| Sidewall Height inches (mm) | 7 (177.8) | 4.8 (122) | -2.2 (-55.8) -31.4% |
| Revolutions per mile (km) | 775.7 (481.99) | 933.44 (580.01) | 157.74 (98.01) 20.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.62 mph (26.75 km/h) |
| 25 mph (40.23 km/h) | 20.78 mph (33.43 km/h) |
| 30 mph (48.28 km/h) | 24.93 mph (40.12 km/h) |
| 35 mph (56.33 km/h) | 29.09 mph (46.81 km/h) |
| 40 mph (64.37 km/h) | 33.24 mph (53.5 km/h) |
| 45 mph (72.42 km/h) | 37.4 mph (60.18 km/h) |
| 50 mph (80.47 km/h) | 41.55 mph (66.87 km/h) |
| 55 mph (88.51 km/h) | 45.71 mph (73.56 km/h) |
| 60 mph (96.56 km/h) | 49.86 mph (80.24 km/h) |
| 65 mph (104.61 km/h) | 54.02 mph (86.93 km/h) |
| 70 mph (112.65 km/h) | 58.17 mph (93.62 km/h) |
| 75 mph (120.7 km/h) | 62.33 mph (100.3 km/h) |
| 80 mph (128.75 km/h) | 66.48 mph (106.99 km/h) |
| 85 mph (136.79 km/h) | 70.64 mph (113.68 km/h) |
| 90 mph (144.84 km/h) | 74.79 mph (120.36 km/h) |
| 95 mph (152.89 km/h) | 78.95 mph (127.05 km/h) |
| 100 mph (160.93 km/h) | 83.1 mph (133.74 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
