Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/50-13 | 195/40-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.68 (525.2) | 19.14 (486.2) | -1.54 (-39) -7.4% |
| Width inches (mm) | 7.68 (195) | 7.68 (195) | 0 (0) 0% |
| Circum. inches (mm) | 64.96 (1649.96) | 60.14 (1527.44) | -4.82 (-122.52) -7.4% |
| Sidewall Height inches (mm) | 3.84 (97.5) | 3.07 (78) | -0.77 (-19.5) -20% |
| Revolutions per mile (km) | 975.38 (606.07) | 1053.62 (654.69) | 78.24 (48.62) 8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.51 mph (29.8 km/h) |
| 25 mph (40.23 km/h) | 23.14 mph (37.25 km/h) |
| 30 mph (48.28 km/h) | 27.77 mph (44.7 km/h) |
| 35 mph (56.33 km/h) | 32.4 mph (52.14 km/h) |
| 40 mph (64.37 km/h) | 37.03 mph (59.59 km/h) |
| 45 mph (72.42 km/h) | 41.66 mph (67.04 km/h) |
| 50 mph (80.47 km/h) | 46.29 mph (74.49 km/h) |
| 55 mph (88.51 km/h) | 50.92 mph (81.94 km/h) |
| 60 mph (96.56 km/h) | 55.54 mph (89.39 km/h) |
| 65 mph (104.61 km/h) | 60.17 mph (96.84 km/h) |
| 70 mph (112.65 km/h) | 64.8 mph (104.29 km/h) |
| 75 mph (120.7 km/h) | 69.43 mph (111.74 km/h) |
| 80 mph (128.75 km/h) | 74.06 mph (119.19 km/h) |
| 85 mph (136.79 km/h) | 78.69 mph (126.64 km/h) |
| 90 mph (144.84 km/h) | 83.32 mph (134.09 km/h) |
| 95 mph (152.89 km/h) | 87.95 mph (141.53 km/h) |
| 100 mph (160.93 km/h) | 92.57 mph (148.98 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
