Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/55-13 | 165/45-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.15 (511.7) | 18.85 (478.7) | -1.3 (-33) -6.4% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 63.29 (1607.55) | 59.21 (1503.88) | -4.08 (-103.67) -6.4% |
| Sidewall Height inches (mm) | 3.57 (90.75) | 2.92 (74.25) | -0.65 (-16.5) -18.2% |
| Revolutions per mile (km) | 1001.11 (622.06) | 1070.13 (664.95) | 69.01 (42.88) 6.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.71 mph (30.11 km/h) |
| 25 mph (40.23 km/h) | 23.39 mph (37.64 km/h) |
| 30 mph (48.28 km/h) | 28.07 mph (45.17 km/h) |
| 35 mph (56.33 km/h) | 32.74 mph (52.69 km/h) |
| 40 mph (64.37 km/h) | 37.42 mph (60.22 km/h) |
| 45 mph (72.42 km/h) | 42.1 mph (67.75 km/h) |
| 50 mph (80.47 km/h) | 46.78 mph (75.28 km/h) |
| 55 mph (88.51 km/h) | 51.45 mph (82.81 km/h) |
| 60 mph (96.56 km/h) | 56.13 mph (90.33 km/h) |
| 65 mph (104.61 km/h) | 60.81 mph (97.86 km/h) |
| 70 mph (112.65 km/h) | 65.49 mph (105.39 km/h) |
| 75 mph (120.7 km/h) | 70.16 mph (112.92 km/h) |
| 80 mph (128.75 km/h) | 74.84 mph (120.44 km/h) |
| 85 mph (136.79 km/h) | 79.52 mph (127.97 km/h) |
| 90 mph (144.84 km/h) | 84.2 mph (135.5 km/h) |
| 95 mph (152.89 km/h) | 88.87 mph (143.03 km/h) |
| 100 mph (160.93 km/h) | 93.55 mph (150.56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
