Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 26/12-12 | 205/30-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.93 (658.6) | 18.84 (478.6) | -7.09 (-180) -27.3% |
| Width inches (mm) | 12.01 (305) | 8.07 (205) | -3.94 (-100) -32.8% |
| Circum. inches (mm) | 81.46 (2069.05) | 59.2 (1503.57) | -22.26 (-565.49) -27.3% |
| Sidewall Height inches (mm) | 6.96 (176.9) | 2.42 (61.5) | -4.54 (-115.4) -65.2% |
| Revolutions per mile (km) | 777.82 (483.31) | 1070.35 (665.08) | 292.53 (181.77) 37.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 14.53 mph (23.39 km/h) |
| 25 mph (40.23 km/h) | 18.17 mph (29.24 km/h) |
| 30 mph (48.28 km/h) | 21.8 mph (35.09 km/h) |
| 35 mph (56.33 km/h) | 25.43 mph (40.93 km/h) |
| 40 mph (64.37 km/h) | 29.07 mph (46.78 km/h) |
| 45 mph (72.42 km/h) | 32.7 mph (52.63 km/h) |
| 50 mph (80.47 km/h) | 36.33 mph (58.48 km/h) |
| 55 mph (88.51 km/h) | 39.97 mph (64.32 km/h) |
| 60 mph (96.56 km/h) | 43.6 mph (70.17 km/h) |
| 65 mph (104.61 km/h) | 47.24 mph (76.02 km/h) |
| 70 mph (112.65 km/h) | 50.87 mph (81.87 km/h) |
| 75 mph (120.7 km/h) | 54.5 mph (87.71 km/h) |
| 80 mph (128.75 km/h) | 58.14 mph (93.56 km/h) |
| 85 mph (136.79 km/h) | 61.77 mph (99.41 km/h) |
| 90 mph (144.84 km/h) | 65.4 mph (105.26 km/h) |
| 95 mph (152.89 km/h) | 69.04 mph (111.1 km/h) |
| 100 mph (160.93 km/h) | 72.67 mph (116.95 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
