Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/50-13 | 155/40-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.68 (525.2) | 17.88 (454.2) | -2.8 (-71) -13.5% |
| Width inches (mm) | 7.68 (195) | 6.1 (155) | -1.57 (-40) -20.5% |
| Circum. inches (mm) | 64.96 (1649.96) | 56.18 (1426.91) | -8.78 (-223.05) -13.5% |
| Sidewall Height inches (mm) | 3.84 (97.5) | 2.44 (62) | -1.4 (-35.5) -36.4% |
| Revolutions per mile (km) | 975.38 (606.07) | 1127.85 (700.81) | 152.47 (94.74) 15.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.3 mph (27.84 km/h) |
| 25 mph (40.23 km/h) | 21.62 mph (34.79 km/h) |
| 30 mph (48.28 km/h) | 25.94 mph (41.75 km/h) |
| 35 mph (56.33 km/h) | 30.27 mph (48.71 km/h) |
| 40 mph (64.37 km/h) | 34.59 mph (55.67 km/h) |
| 45 mph (72.42 km/h) | 38.92 mph (62.63 km/h) |
| 50 mph (80.47 km/h) | 43.24 mph (69.59 km/h) |
| 55 mph (88.51 km/h) | 47.56 mph (76.55 km/h) |
| 60 mph (96.56 km/h) | 51.89 mph (83.51 km/h) |
| 65 mph (104.61 km/h) | 56.21 mph (90.47 km/h) |
| 70 mph (112.65 km/h) | 60.54 mph (97.42 km/h) |
| 75 mph (120.7 km/h) | 64.86 mph (104.38 km/h) |
| 80 mph (128.75 km/h) | 69.19 mph (111.34 km/h) |
| 85 mph (136.79 km/h) | 73.51 mph (118.3 km/h) |
| 90 mph (144.84 km/h) | 77.83 mph (125.26 km/h) |
| 95 mph (152.89 km/h) | 82.16 mph (132.22 km/h) |
| 100 mph (160.93 km/h) | 86.48 mph (139.18 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
