Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/10-12 | 255/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25 (635) | 30.06 (763.6) | 5.06 (128.6) 20.3% |
| Width inches (mm) | 10 (254) | 10.04 (255) | 0.04 (1) 0.4% |
| Circum. inches (mm) | 78.54 (1994.91) | 94.45 (2398.92) | 15.91 (404.01) 20.3% |
| Sidewall Height inches (mm) | 6.5 (165.1) | 8.03 (204) | 1.53 (38.9) 23.6% |
| Revolutions per mile (km) | 806.72 (501.27) | 670.86 (416.85) | -135.86 (-84.42) -16.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.05 mph (38.71 km/h) |
| 25 mph (40.23 km/h) | 30.06 mph (48.38 km/h) |
| 30 mph (48.28 km/h) | 36.08 mph (58.06 km/h) |
| 35 mph (56.33 km/h) | 42.09 mph (67.73 km/h) |
| 40 mph (64.37 km/h) | 48.1 mph (77.41 km/h) |
| 45 mph (72.42 km/h) | 54.11 mph (87.09 km/h) |
| 50 mph (80.47 km/h) | 60.13 mph (96.76 km/h) |
| 55 mph (88.51 km/h) | 66.14 mph (106.44 km/h) |
| 60 mph (96.56 km/h) | 72.15 mph (116.12 km/h) |
| 65 mph (104.61 km/h) | 78.16 mph (125.79 km/h) |
| 70 mph (112.65 km/h) | 84.18 mph (135.47 km/h) |
| 75 mph (120.7 km/h) | 90.19 mph (145.15 km/h) |
| 80 mph (128.75 km/h) | 96.2 mph (154.82 km/h) |
| 85 mph (136.79 km/h) | 102.21 mph (164.5 km/h) |
| 90 mph (144.84 km/h) | 108.23 mph (174.17 km/h) |
| 95 mph (152.89 km/h) | 114.24 mph (183.85 km/h) |
| 100 mph (160.93 km/h) | 120.25 mph (193.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1707 | 1983 | 2136 | 2230 | 2332 | 2405 | 2485 | 2579 | 2710 | 2841 | 2986 | 3102 | 3313 | 3545 | 3727 | 3843 | 3908 | 4148 | 4482 | 5209 |
Better Fuel Economy Factory Ratios Increased Power
