Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/10-12 | 27/9-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25 (635) | 26.98 (685.36) | 1.98 (50.36) 7.9% |
| Width inches (mm) | 10 (254) | 9.02 (229) | -0.98 (-25) -9.8% |
| Circum. inches (mm) | 78.54 (1994.91) | 84.77 (2153.12) | 6.23 (158.21) 7.9% |
| Sidewall Height inches (mm) | 6.5 (165.1) | 6.49 (164.88) | -0.01 (-0.22) -0.1% |
| Revolutions per mile (km) | 806.72 (501.27) | 747.45 (464.44) | -59.28 (-36.83) -7.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.59 mph (34.74 km/h) |
| 25 mph (40.23 km/h) | 26.98 mph (43.42 km/h) |
| 30 mph (48.28 km/h) | 32.38 mph (52.11 km/h) |
| 35 mph (56.33 km/h) | 37.78 mph (60.79 km/h) |
| 40 mph (64.37 km/h) | 43.17 mph (69.48 km/h) |
| 45 mph (72.42 km/h) | 48.57 mph (78.16 km/h) |
| 50 mph (80.47 km/h) | 53.97 mph (86.85 km/h) |
| 55 mph (88.51 km/h) | 59.36 mph (95.53 km/h) |
| 60 mph (96.56 km/h) | 64.76 mph (104.22 km/h) |
| 65 mph (104.61 km/h) | 70.15 mph (112.9 km/h) |
| 70 mph (112.65 km/h) | 75.55 mph (121.59 km/h) |
| 75 mph (120.7 km/h) | 80.95 mph (130.27 km/h) |
| 80 mph (128.75 km/h) | 86.34 mph (138.96 km/h) |
| 85 mph (136.79 km/h) | 91.74 mph (147.64 km/h) |
| 90 mph (144.84 km/h) | 97.14 mph (156.33 km/h) |
| 95 mph (152.89 km/h) | 102.53 mph (165.01 km/h) |
| 100 mph (160.93 km/h) | 107.93 mph (173.7 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1902 | 2210 | 2380 | 2485 | 2598 | 2679 | 2768 | 2873 | 3019 | 3165 | 3327 | 3456 | 3691 | 3950 | 4152 | 4282 | 4355 | 4622 | 4994 | 5803 |
Better Fuel Economy Factory Ratios Increased Power
