Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/10-12 | 275/50-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25 (635) | 22.83 (579.8) | -2.17 (-55.2) -8.7% |
| Width inches (mm) | 10 (254) | 10.83 (275) | 0.83 (21) 8.3% |
| Circum. inches (mm) | 78.54 (1994.91) | 71.71 (1821.5) | -6.83 (-173.42) -8.7% |
| Sidewall Height inches (mm) | 6.5 (165.1) | 5.41 (137.5) | -1.09 (-27.6) -16.7% |
| Revolutions per mile (km) | 806.72 (501.27) | 883.53 (549) | 76.8 (47.72) 9.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.26 mph (29.39 km/h) |
| 25 mph (40.23 km/h) | 22.83 mph (36.74 km/h) |
| 30 mph (48.28 km/h) | 27.39 mph (44.08 km/h) |
| 35 mph (56.33 km/h) | 31.96 mph (51.43 km/h) |
| 40 mph (64.37 km/h) | 36.52 mph (58.78 km/h) |
| 45 mph (72.42 km/h) | 41.09 mph (66.13 km/h) |
| 50 mph (80.47 km/h) | 45.65 mph (73.47 km/h) |
| 55 mph (88.51 km/h) | 50.22 mph (80.82 km/h) |
| 60 mph (96.56 km/h) | 54.78 mph (88.17 km/h) |
| 65 mph (104.61 km/h) | 59.35 mph (95.51 km/h) |
| 70 mph (112.65 km/h) | 63.91 mph (102.86 km/h) |
| 75 mph (120.7 km/h) | 68.48 mph (110.21 km/h) |
| 80 mph (128.75 km/h) | 73.05 mph (117.56 km/h) |
| 85 mph (136.79 km/h) | 77.61 mph (124.9 km/h) |
| 90 mph (144.84 km/h) | 82.18 mph (132.25 km/h) |
| 95 mph (152.89 km/h) | 86.74 mph (139.6 km/h) |
| 100 mph (160.93 km/h) | 91.31 mph (146.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2248 | 2612 | 2813 | 2937 | 3071 | 3167 | 3272 | 3397 | 3569 | 3741 | 3932 | 4085 | 4363 | 4669 | 4908 | 5061 | 5147 | 5463 | 5903 | 6860 |
Better Fuel Economy Factory Ratios Increased Power
