Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/90-16 | 145/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.28 (667.4) | 24.99 (634.8) | -1.28 (-32.6) -4.9% |
| Width inches (mm) | 5.71 (145) | 5.71 (145) | 0 (0) 0% |
| Circum. inches (mm) | 82.55 (2096.7) | 78.52 (1994.28) | -4.03 (-102.42) -4.9% |
| Sidewall Height inches (mm) | 5.14 (130.5) | 4 (101.5) | -1.14 (-29) -22.2% |
| Revolutions per mile (km) | 767.56 (476.94) | 806.98 (501.43) | 39.42 (24.49) 5.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.02 mph (30.61 km/h) |
| 25 mph (40.23 km/h) | 23.78 mph (38.27 km/h) |
| 30 mph (48.28 km/h) | 28.53 mph (45.92 km/h) |
| 35 mph (56.33 km/h) | 33.29 mph (53.58 km/h) |
| 40 mph (64.37 km/h) | 38.05 mph (61.23 km/h) |
| 45 mph (72.42 km/h) | 42.8 mph (68.88 km/h) |
| 50 mph (80.47 km/h) | 47.56 mph (76.54 km/h) |
| 55 mph (88.51 km/h) | 52.31 mph (84.19 km/h) |
| 60 mph (96.56 km/h) | 57.07 mph (91.84 km/h) |
| 65 mph (104.61 km/h) | 61.82 mph (99.5 km/h) |
| 70 mph (112.65 km/h) | 66.58 mph (107.15 km/h) |
| 75 mph (120.7 km/h) | 71.34 mph (114.81 km/h) |
| 80 mph (128.75 km/h) | 76.09 mph (122.46 km/h) |
| 85 mph (136.79 km/h) | 80.85 mph (130.11 km/h) |
| 90 mph (144.84 km/h) | 85.6 mph (137.77 km/h) |
| 95 mph (152.89 km/h) | 90.36 mph (145.42 km/h) |
| 100 mph (160.93 km/h) | 95.12 mph (153.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2054 | 2386 | 2569 | 2683 | 2805 | 2893 | 2989 | 3102 | 3260 | 3417 | 3592 | 3731 | 3985 | 4265 | 4483 | 4623 | 4701 | 4990 | 5392 | 6266 |
Better Fuel Economy Factory Ratios Increased Power
