Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/55-13 | 155/20-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.44 (544.7) | 15.44 (392.2) | -6 (-152.5) -28% |
| Width inches (mm) | 7.68 (195) | 6.1 (155) | -1.57 (-40) -20.5% |
| Circum. inches (mm) | 67.37 (1711.23) | 48.51 (1232.13) | -18.86 (-479.09) -28% |
| Sidewall Height inches (mm) | 4.22 (107.25) | 1.22 (31) | -3 (-76.25) -71.1% |
| Revolutions per mile (km) | 940.46 (584.38) | 1306.15 (811.6) | 365.68 (227.22) 38.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 14.4 mph (23.18 km/h) |
| 25 mph (40.23 km/h) | 18 mph (28.97 km/h) |
| 30 mph (48.28 km/h) | 21.6 mph (34.76 km/h) |
| 35 mph (56.33 km/h) | 25.2 mph (40.56 km/h) |
| 40 mph (64.37 km/h) | 28.8 mph (46.35 km/h) |
| 45 mph (72.42 km/h) | 32.4 mph (52.14 km/h) |
| 50 mph (80.47 km/h) | 36 mph (57.94 km/h) |
| 55 mph (88.51 km/h) | 39.6 mph (63.73 km/h) |
| 60 mph (96.56 km/h) | 43.2 mph (69.53 km/h) |
| 65 mph (104.61 km/h) | 46.8 mph (75.32 km/h) |
| 70 mph (112.65 km/h) | 50.4 mph (81.11 km/h) |
| 75 mph (120.7 km/h) | 54 mph (86.91 km/h) |
| 80 mph (128.75 km/h) | 57.6 mph (92.7 km/h) |
| 85 mph (136.79 km/h) | 61.2 mph (98.5 km/h) |
| 90 mph (144.84 km/h) | 64.8 mph (104.29 km/h) |
| 95 mph (152.89 km/h) | 68.4 mph (110.08 km/h) |
| 100 mph (160.93 km/h) | 72 mph (115.88 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
