Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/10-12 | 27/11-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25 (635) | 26.94 (684.24) | 1.94 (49.24) 7.8% |
| Width inches (mm) | 10 (254) | 10.98 (279) | 0.98 (25) 9.8% |
| Circum. inches (mm) | 78.54 (1994.91) | 84.63 (2149.6) | 6.09 (154.69) 7.8% |
| Sidewall Height inches (mm) | 6.5 (165.1) | 7.47 (189.72) | 0.97 (24.62) 14.9% |
| Revolutions per mile (km) | 806.72 (501.27) | 748.67 (465.2) | -58.05 (-36.07) -7.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.55 mph (34.68 km/h) |
| 25 mph (40.23 km/h) | 26.94 mph (43.35 km/h) |
| 30 mph (48.28 km/h) | 32.33 mph (52.02 km/h) |
| 35 mph (56.33 km/h) | 37.71 mph (60.69 km/h) |
| 40 mph (64.37 km/h) | 43.1 mph (69.37 km/h) |
| 45 mph (72.42 km/h) | 48.49 mph (78.04 km/h) |
| 50 mph (80.47 km/h) | 53.88 mph (86.71 km/h) |
| 55 mph (88.51 km/h) | 59.26 mph (95.38 km/h) |
| 60 mph (96.56 km/h) | 64.65 mph (104.05 km/h) |
| 65 mph (104.61 km/h) | 70.04 mph (112.72 km/h) |
| 70 mph (112.65 km/h) | 75.43 mph (121.39 km/h) |
| 75 mph (120.7 km/h) | 80.82 mph (130.06 km/h) |
| 80 mph (128.75 km/h) | 86.2 mph (138.73 km/h) |
| 85 mph (136.79 km/h) | 91.59 mph (147.4 km/h) |
| 90 mph (144.84 km/h) | 96.98 mph (156.07 km/h) |
| 95 mph (152.89 km/h) | 102.37 mph (164.74 km/h) |
| 100 mph (160.93 km/h) | 107.75 mph (173.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1905 | 2213 | 2384 | 2489 | 2602 | 2684 | 2773 | 2878 | 3024 | 3170 | 3332 | 3462 | 3697 | 3956 | 4159 | 4289 | 4362 | 4629 | 5002 | 5813 |
Better Fuel Economy Factory Ratios Increased Power
