Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/55-13 | 195/20-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.44 (544.7) | 18.07 (459) | -3.37 (-85.7) -15.7% |
| Width inches (mm) | 7.68 (195) | 7.68 (195) | 0 (0) 0% |
| Circum. inches (mm) | 67.37 (1711.23) | 56.77 (1441.99) | -10.6 (-269.23) -15.7% |
| Sidewall Height inches (mm) | 4.22 (107.25) | 1.54 (39) | -2.69 (-68.25) -63.6% |
| Revolutions per mile (km) | 940.46 (584.38) | 1116.06 (693.48) | 175.59 (109.11) 18.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.85 mph (27.12 km/h) |
| 25 mph (40.23 km/h) | 21.07 mph (33.9 km/h) |
| 30 mph (48.28 km/h) | 25.28 mph (40.68 km/h) |
| 35 mph (56.33 km/h) | 29.49 mph (47.46 km/h) |
| 40 mph (64.37 km/h) | 33.71 mph (54.25 km/h) |
| 45 mph (72.42 km/h) | 37.92 mph (61.03 km/h) |
| 50 mph (80.47 km/h) | 42.13 mph (67.81 km/h) |
| 55 mph (88.51 km/h) | 46.35 mph (74.59 km/h) |
| 60 mph (96.56 km/h) | 50.56 mph (81.37 km/h) |
| 65 mph (104.61 km/h) | 54.77 mph (88.15 km/h) |
| 70 mph (112.65 km/h) | 58.99 mph (94.93 km/h) |
| 75 mph (120.7 km/h) | 63.2 mph (101.71 km/h) |
| 80 mph (128.75 km/h) | 67.41 mph (108.49 km/h) |
| 85 mph (136.79 km/h) | 71.63 mph (115.27 km/h) |
| 90 mph (144.84 km/h) | 75.84 mph (122.05 km/h) |
| 95 mph (152.89 km/h) | 80.05 mph (128.83 km/h) |
| 100 mph (160.93 km/h) | 84.27 mph (135.61 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
