Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/55-13 | 155/45-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.15 (511.7) | 18.49 (469.7) | -1.65 (-42) -8.2% |
| Width inches (mm) | 6.5 (165) | 6.1 (155) | -0.39 (-10) -6.1% |
| Circum. inches (mm) | 63.29 (1607.55) | 58.09 (1475.61) | -5.19 (-131.95) -8.2% |
| Sidewall Height inches (mm) | 3.57 (90.75) | 2.75 (69.75) | -0.83 (-21) -23.1% |
| Revolutions per mile (km) | 1001.11 (622.06) | 1090.63 (677.69) | 89.52 (55.62) 8.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.36 mph (29.55 km/h) |
| 25 mph (40.23 km/h) | 22.95 mph (36.93 km/h) |
| 30 mph (48.28 km/h) | 27.54 mph (44.32 km/h) |
| 35 mph (56.33 km/h) | 32.13 mph (51.7 km/h) |
| 40 mph (64.37 km/h) | 36.72 mph (59.09 km/h) |
| 45 mph (72.42 km/h) | 41.31 mph (66.48 km/h) |
| 50 mph (80.47 km/h) | 45.9 mph (73.86 km/h) |
| 55 mph (88.51 km/h) | 50.49 mph (81.25 km/h) |
| 60 mph (96.56 km/h) | 55.08 mph (88.64 km/h) |
| 65 mph (104.61 km/h) | 59.66 mph (96.02 km/h) |
| 70 mph (112.65 km/h) | 64.25 mph (103.41 km/h) |
| 75 mph (120.7 km/h) | 68.84 mph (110.79 km/h) |
| 80 mph (128.75 km/h) | 73.43 mph (118.18 km/h) |
| 85 mph (136.79 km/h) | 78.02 mph (125.57 km/h) |
| 90 mph (144.84 km/h) | 82.61 mph (132.95 km/h) |
| 95 mph (152.89 km/h) | 87.2 mph (140.34 km/h) |
| 100 mph (160.93 km/h) | 91.79 mph (147.73 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
