Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/82-14 | 175/78-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.3 (642.6) | 24.75 (628.6) | -0.55 (-14) -2.2% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 79.48 (2018.79) | 77.75 (1974.81) | -1.73 (-43.98) -2.2% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 5.37 (136.5) | -0.28 (-7) -4.9% |
| Revolutions per mile (km) | 797.18 (495.35) | 814.94 (506.38) | 17.75 (11.03) 2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.56 mph (31.49 km/h) |
| 25 mph (40.23 km/h) | 24.46 mph (39.36 km/h) |
| 30 mph (48.28 km/h) | 29.35 mph (47.23 km/h) |
| 35 mph (56.33 km/h) | 34.24 mph (55.1 km/h) |
| 40 mph (64.37 km/h) | 39.13 mph (62.97 km/h) |
| 45 mph (72.42 km/h) | 44.02 mph (70.84 km/h) |
| 50 mph (80.47 km/h) | 48.91 mph (78.71 km/h) |
| 55 mph (88.51 km/h) | 53.8 mph (86.59 km/h) |
| 60 mph (96.56 km/h) | 58.69 mph (94.46 km/h) |
| 65 mph (104.61 km/h) | 63.58 mph (102.33 km/h) |
| 70 mph (112.65 km/h) | 68.47 mph (110.2 km/h) |
| 75 mph (120.7 km/h) | 73.37 mph (118.07 km/h) |
| 80 mph (128.75 km/h) | 78.26 mph (125.94 km/h) |
| 85 mph (136.79 km/h) | 83.15 mph (133.81 km/h) |
| 90 mph (144.84 km/h) | 88.04 mph (141.69 km/h) |
| 95 mph (152.89 km/h) | 92.93 mph (149.56 km/h) |
| 100 mph (160.93 km/h) | 97.82 mph (157.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2074 | 2409 | 2595 | 2709 | 2833 | 2921 | 3018 | 3133 | 3292 | 3451 | 3627 | 3768 | 4024 | 4307 | 4527 | 4668 | 4748 | 5039 | 5445 | 6327 |
Better Fuel Economy Factory Ratios Increased Power
