Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/60-13 | 175/90-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.27 (540.2) | 25.4 (645.2) | 4.13 (105) 19.4% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 66.81 (1697.09) | 79.8 (2026.96) | 12.99 (329.87) 19.4% |
| Sidewall Height inches (mm) | 4.13 (105) | 6.2 (157.5) | 2.07 (52.5) 50% |
| Revolutions per mile (km) | 948.3 (589.24) | 793.97 (493.35) | -154.33 (-95.89) -16.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.89 mph (38.44 km/h) |
| 25 mph (40.23 km/h) | 29.86 mph (48.05 km/h) |
| 30 mph (48.28 km/h) | 35.83 mph (57.66 km/h) |
| 35 mph (56.33 km/h) | 41.8 mph (67.28 km/h) |
| 40 mph (64.37 km/h) | 47.77 mph (76.89 km/h) |
| 45 mph (72.42 km/h) | 53.75 mph (86.5 km/h) |
| 50 mph (80.47 km/h) | 59.72 mph (96.11 km/h) |
| 55 mph (88.51 km/h) | 65.69 mph (105.72 km/h) |
| 60 mph (96.56 km/h) | 71.66 mph (115.33 km/h) |
| 65 mph (104.61 km/h) | 77.63 mph (124.94 km/h) |
| 70 mph (112.65 km/h) | 83.61 mph (134.55 km/h) |
| 75 mph (120.7 km/h) | 89.58 mph (144.16 km/h) |
| 80 mph (128.75 km/h) | 95.55 mph (153.77 km/h) |
| 85 mph (136.79 km/h) | 101.52 mph (163.38 km/h) |
| 90 mph (144.84 km/h) | 107.49 mph (172.99 km/h) |
| 95 mph (152.89 km/h) | 113.47 mph (182.61 km/h) |
| 100 mph (160.93 km/h) | 119.44 mph (192.22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | 2347 | 2528 | 2640 | 2760 | 2846 | 2940 | 3052 | 3207 | 3362 | 3534 | 3671 | 3921 | 4196 | 4411 | 4548 | 4626 | 4909 | 5305 | 6165 |
Better Fuel Economy Factory Ratios Increased Power
