Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/7.5-15 | 125/85-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (636.94) | 23.37 (593.5) | -1.71 (-43.44) -6.8% |
| Width inches (mm) | 7.52 (191) | 4.92 (125) | -2.6 (-66) -34.6% |
| Circum. inches (mm) | 78.78 (2001.01) | 73.41 (1864.54) | -5.37 (-136.47) -6.8% |
| Sidewall Height inches (mm) | 5.04 (127.97) | 4.18 (106.25) | -0.86 (-21.72) -17% |
| Revolutions per mile (km) | 804.27 (499.75) | 863.13 (536.33) | 58.87 (36.58) 7.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.64 mph (29.99 km/h) |
| 25 mph (40.23 km/h) | 23.29 mph (37.49 km/h) |
| 30 mph (48.28 km/h) | 27.95 mph (44.99 km/h) |
| 35 mph (56.33 km/h) | 32.61 mph (52.49 km/h) |
| 40 mph (64.37 km/h) | 37.27 mph (59.98 km/h) |
| 45 mph (72.42 km/h) | 41.93 mph (67.48 km/h) |
| 50 mph (80.47 km/h) | 46.59 mph (74.98 km/h) |
| 55 mph (88.51 km/h) | 51.25 mph (82.48 km/h) |
| 60 mph (96.56 km/h) | 55.91 mph (89.98 km/h) |
| 65 mph (104.61 km/h) | 60.57 mph (97.47 km/h) |
| 70 mph (112.65 km/h) | 65.23 mph (104.97 km/h) |
| 75 mph (120.7 km/h) | 69.88 mph (112.47 km/h) |
| 80 mph (128.75 km/h) | 74.54 mph (119.97 km/h) |
| 85 mph (136.79 km/h) | 79.2 mph (127.46 km/h) |
| 90 mph (144.84 km/h) | 83.86 mph (134.96 km/h) |
| 95 mph (152.89 km/h) | 88.52 mph (142.46 km/h) |
| 100 mph (160.93 km/h) | 93.18 mph (149.96 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2197 | 2552 | 2748 | 2869 | 3000 | 3094 | 3197 | 3318 | 3486 | 3655 | 3842 | 3991 | 4262 | 4561 | 4795 | 4944 | 5029 | 5337 | 5767 | 6702 |
Better Fuel Economy Factory Ratios Increased Power
