Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/55-16 | 145/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.28 (565.9) | 23.85 (605.8) | 1.57 (39.9) 7.1% |
| Width inches (mm) | 5.71 (145) | 5.71 (145) | 0 (0) 0% |
| Circum. inches (mm) | 69.99 (1777.83) | 74.93 (1903.18) | 4.94 (125.35) 7.1% |
| Sidewall Height inches (mm) | 3.14 (79.75) | 3.43 (87) | 0.29 (7.25) 9.1% |
| Revolutions per mile (km) | 905.23 (562.48) | 845.61 (525.44) | -59.62 (-37.05) -6.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.41 mph (34.46 km/h) |
| 25 mph (40.23 km/h) | 26.76 mph (43.07 km/h) |
| 30 mph (48.28 km/h) | 32.12 mph (51.68 km/h) |
| 35 mph (56.33 km/h) | 37.47 mph (60.3 km/h) |
| 40 mph (64.37 km/h) | 42.82 mph (68.91 km/h) |
| 45 mph (72.42 km/h) | 48.17 mph (77.53 km/h) |
| 50 mph (80.47 km/h) | 53.53 mph (86.14 km/h) |
| 55 mph (88.51 km/h) | 58.88 mph (94.75 km/h) |
| 60 mph (96.56 km/h) | 64.23 mph (103.37 km/h) |
| 65 mph (104.61 km/h) | 69.58 mph (111.98 km/h) |
| 70 mph (112.65 km/h) | 74.94 mph (120.6 km/h) |
| 75 mph (120.7 km/h) | 80.29 mph (129.21 km/h) |
| 80 mph (128.75 km/h) | 85.64 mph (137.83 km/h) |
| 85 mph (136.79 km/h) | 90.99 mph (146.44 km/h) |
| 90 mph (144.84 km/h) | 96.35 mph (155.05 km/h) |
| 95 mph (152.89 km/h) | 101.7 mph (163.67 km/h) |
| 100 mph (160.93 km/h) | 107.05 mph (172.28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2152 | 2500 | 2692 | 2811 | 2939 | 3031 | 3132 | 3251 | 3416 | 3580 | 3764 | 3910 | 4176 | 4469 | 4698 | 4844 | 4927 | 5229 | 5650 | 6566 |
Better Fuel Economy Factory Ratios Increased Power
