Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/10-12 | 245/70-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25 (635) | 25.5 (647.8) | 0.5 (12.8) 2% |
| Width inches (mm) | 10 (254) | 9.65 (245) | -0.35 (-9) -3.5% |
| Circum. inches (mm) | 78.54 (1994.91) | 80.12 (2035.12) | 1.58 (40.21) 2% |
| Sidewall Height inches (mm) | 6.5 (165.1) | 6.75 (171.5) | 0.25 (6.4) 3.9% |
| Revolutions per mile (km) | 806.72 (501.27) | 790.78 (491.37) | -15.94 (-9.9) -2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.4 mph (32.84 km/h) |
| 25 mph (40.23 km/h) | 25.5 mph (41.04 km/h) |
| 30 mph (48.28 km/h) | 30.6 mph (49.25 km/h) |
| 35 mph (56.33 km/h) | 35.71 mph (57.46 km/h) |
| 40 mph (64.37 km/h) | 40.81 mph (65.67 km/h) |
| 45 mph (72.42 km/h) | 45.91 mph (73.88 km/h) |
| 50 mph (80.47 km/h) | 51.01 mph (82.09 km/h) |
| 55 mph (88.51 km/h) | 56.11 mph (90.3 km/h) |
| 60 mph (96.56 km/h) | 61.21 mph (98.51 km/h) |
| 65 mph (104.61 km/h) | 66.31 mph (106.72 km/h) |
| 70 mph (112.65 km/h) | 71.41 mph (114.93 km/h) |
| 75 mph (120.7 km/h) | 76.51 mph (123.13 km/h) |
| 80 mph (128.75 km/h) | 81.61 mph (131.34 km/h) |
| 85 mph (136.79 km/h) | 86.71 mph (139.55 km/h) |
| 90 mph (144.84 km/h) | 91.81 mph (147.76 km/h) |
| 95 mph (152.89 km/h) | 96.91 mph (155.97 km/h) |
| 100 mph (160.93 km/h) | 102.02 mph (164.18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | 2338 | 2518 | 2629 | 2749 | 2834 | 2929 | 3040 | 3194 | 3348 | 3520 | 3657 | 3905 | 4179 | 4393 | 4530 | 4607 | 4890 | 5284 | 6140 |
Better Fuel Economy Factory Ratios Increased Power
