Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/82-14 | 250/75-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.3 (642.6) | 28.76 (730.6) | 3.46 (88) 13.7% |
| Width inches (mm) | 6.89 (175) | 9.84 (250) | 2.95 (75) 42.9% |
| Circum. inches (mm) | 79.48 (2018.79) | 90.36 (2295.25) | 10.88 (276.46) 13.7% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 7.38 (187.5) | 1.73 (44) 30.7% |
| Revolutions per mile (km) | 797.18 (495.35) | 701.16 (435.68) | -96.02 (-59.66) -12% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.74 mph (36.59 km/h) |
| 25 mph (40.23 km/h) | 28.42 mph (45.74 km/h) |
| 30 mph (48.28 km/h) | 34.11 mph (54.89 km/h) |
| 35 mph (56.33 km/h) | 39.79 mph (64.04 km/h) |
| 40 mph (64.37 km/h) | 45.48 mph (73.19 km/h) |
| 45 mph (72.42 km/h) | 51.16 mph (82.34 km/h) |
| 50 mph (80.47 km/h) | 56.85 mph (91.49 km/h) |
| 55 mph (88.51 km/h) | 62.53 mph (100.64 km/h) |
| 60 mph (96.56 km/h) | 68.22 mph (109.78 km/h) |
| 65 mph (104.61 km/h) | 73.9 mph (118.93 km/h) |
| 70 mph (112.65 km/h) | 79.59 mph (128.08 km/h) |
| 75 mph (120.7 km/h) | 85.27 mph (137.23 km/h) |
| 80 mph (128.75 km/h) | 90.96 mph (146.38 km/h) |
| 85 mph (136.79 km/h) | 96.64 mph (155.53 km/h) |
| 90 mph (144.84 km/h) | 102.32 mph (164.68 km/h) |
| 95 mph (152.89 km/h) | 108.01 mph (173.83 km/h) |
| 100 mph (160.93 km/h) | 113.69 mph (182.97 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1784 | 2073 | 2232 | 2331 | 2437 | 2513 | 2597 | 2695 | 2832 | 2969 | 3121 | 3242 | 3462 | 3705 | 3895 | 4017 | 4085 | 4336 | 4685 | 5444 |
Better Fuel Economy Factory Ratios Increased Power
