Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/70-17 | 145/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.99 (634.8) | 25.56 (649.3) | 0.57 (14.5) 2.3% |
| Width inches (mm) | 5.71 (145) | 5.71 (145) | 0 (0) 0% |
| Circum. inches (mm) | 78.52 (1994.28) | 80.31 (2039.84) | 1.79 (45.55) 2.3% |
| Sidewall Height inches (mm) | 4 (101.5) | 4.28 (108.75) | 0.29 (7.25) 7.1% |
| Revolutions per mile (km) | 806.98 (501.43) | 788.96 (490.23) | -18.02 (-11.2) -2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.46 mph (32.92 km/h) |
| 25 mph (40.23 km/h) | 25.57 mph (41.15 km/h) |
| 30 mph (48.28 km/h) | 30.69 mph (49.38 km/h) |
| 35 mph (56.33 km/h) | 35.8 mph (57.61 km/h) |
| 40 mph (64.37 km/h) | 40.91 mph (65.84 km/h) |
| 45 mph (72.42 km/h) | 46.03 mph (74.07 km/h) |
| 50 mph (80.47 km/h) | 51.14 mph (82.31 km/h) |
| 55 mph (88.51 km/h) | 56.26 mph (90.54 km/h) |
| 60 mph (96.56 km/h) | 61.37 mph (98.77 km/h) |
| 65 mph (104.61 km/h) | 66.48 mph (107 km/h) |
| 70 mph (112.65 km/h) | 71.6 mph (115.23 km/h) |
| 75 mph (120.7 km/h) | 76.71 mph (123.46 km/h) |
| 80 mph (128.75 km/h) | 81.83 mph (131.69 km/h) |
| 85 mph (136.79 km/h) | 86.94 mph (139.92 km/h) |
| 90 mph (144.84 km/h) | 92.06 mph (148.15 km/h) |
| 95 mph (152.89 km/h) | 97.17 mph (156.38 km/h) |
| 100 mph (160.93 km/h) | 102.28 mph (164.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 2332 | 2512 | 2623 | 2742 | 2828 | 2922 | 3033 | 3187 | 3341 | 3511 | 3648 | 3896 | 4169 | 4383 | 4520 | 4596 | 4878 | 5271 | 6126 |
Better Fuel Economy Factory Ratios Increased Power
