Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/75-14 | 175/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.33 (618.1) | 25.33 (643.5) | 1 (25.4) 4.1% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 76.45 (1941.82) | 79.59 (2021.61) | 3.14 (79.8) 4.1% |
| Sidewall Height inches (mm) | 5.17 (131.25) | 5.17 (131.25) | 0 (0) 0% |
| Revolutions per mile (km) | 828.78 (514.98) | 796.07 (494.65) | -32.71 (-20.33) -3.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.82 mph (33.51 km/h) |
| 25 mph (40.23 km/h) | 26.03 mph (41.89 km/h) |
| 30 mph (48.28 km/h) | 31.23 mph (50.26 km/h) |
| 35 mph (56.33 km/h) | 36.44 mph (58.64 km/h) |
| 40 mph (64.37 km/h) | 41.64 mph (67.02 km/h) |
| 45 mph (72.42 km/h) | 46.85 mph (75.4 km/h) |
| 50 mph (80.47 km/h) | 52.05 mph (83.77 km/h) |
| 55 mph (88.51 km/h) | 57.26 mph (92.15 km/h) |
| 60 mph (96.56 km/h) | 62.47 mph (100.53 km/h) |
| 65 mph (104.61 km/h) | 67.67 mph (108.91 km/h) |
| 70 mph (112.65 km/h) | 72.88 mph (117.28 km/h) |
| 75 mph (120.7 km/h) | 78.08 mph (125.66 km/h) |
| 80 mph (128.75 km/h) | 83.29 mph (134.04 km/h) |
| 85 mph (136.79 km/h) | 88.49 mph (142.42 km/h) |
| 90 mph (144.84 km/h) | 93.7 mph (150.79 km/h) |
| 95 mph (152.89 km/h) | 98.9 mph (159.17 km/h) |
| 100 mph (160.93 km/h) | 104.11 mph (167.55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2353 | 2534 | 2647 | 2767 | 2853 | 2948 | 3060 | 3215 | 3371 | 3543 | 3681 | 3931 | 4207 | 4422 | 4560 | 4638 | 4922 | 5319 | 6181 |
Better Fuel Economy Factory Ratios Increased Power
