Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/50-13 | 155/30-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.68 (525.2) | 16.66 (423.2) | -4.02 (-102) -19.4% |
| Width inches (mm) | 7.68 (195) | 6.1 (155) | -1.57 (-40) -20.5% |
| Circum. inches (mm) | 64.96 (1649.96) | 52.34 (1329.52) | -12.62 (-320.44) -19.4% |
| Sidewall Height inches (mm) | 3.84 (97.5) | 1.83 (46.5) | -2.01 (-51) -52.3% |
| Revolutions per mile (km) | 975.38 (606.07) | 1210.47 (752.15) | 235.09 (146.08) 24.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.12 mph (25.94 km/h) |
| 25 mph (40.23 km/h) | 20.14 mph (32.42 km/h) |
| 30 mph (48.28 km/h) | 24.17 mph (38.9 km/h) |
| 35 mph (56.33 km/h) | 28.2 mph (45.39 km/h) |
| 40 mph (64.37 km/h) | 32.23 mph (51.87 km/h) |
| 45 mph (72.42 km/h) | 36.26 mph (58.36 km/h) |
| 50 mph (80.47 km/h) | 40.29 mph (64.84 km/h) |
| 55 mph (88.51 km/h) | 44.32 mph (71.32 km/h) |
| 60 mph (96.56 km/h) | 48.35 mph (77.81 km/h) |
| 65 mph (104.61 km/h) | 52.38 mph (84.29 km/h) |
| 70 mph (112.65 km/h) | 56.41 mph (90.78 km/h) |
| 75 mph (120.7 km/h) | 60.43 mph (97.26 km/h) |
| 80 mph (128.75 km/h) | 64.46 mph (103.74 km/h) |
| 85 mph (136.79 km/h) | 68.49 mph (110.23 km/h) |
| 90 mph (144.84 km/h) | 72.52 mph (116.71 km/h) |
| 95 mph (152.89 km/h) | 76.55 mph (123.2 km/h) |
| 100 mph (160.93 km/h) | 80.58 mph (129.68 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
