Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/55-13 | 195/50-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.01 (533.7) | 20.68 (525.2) | -0.33 (-8.5) -1.6% |
| Width inches (mm) | 7.28 (185) | 7.68 (195) | 0.39 (10) 5.4% |
| Circum. inches (mm) | 66.01 (1676.67) | 64.96 (1649.96) | -1.05 (-26.7) -1.6% |
| Sidewall Height inches (mm) | 4.01 (101.75) | 3.84 (97.5) | -0.17 (-4.25) -4.2% |
| Revolutions per mile (km) | 959.85 (596.42) | 975.38 (606.07) | 15.53 (9.65) 1.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.68 mph (31.67 km/h) |
| 25 mph (40.23 km/h) | 24.6 mph (39.59 km/h) |
| 30 mph (48.28 km/h) | 29.52 mph (47.51 km/h) |
| 35 mph (56.33 km/h) | 34.44 mph (55.43 km/h) |
| 40 mph (64.37 km/h) | 39.36 mph (63.35 km/h) |
| 45 mph (72.42 km/h) | 44.28 mph (71.27 km/h) |
| 50 mph (80.47 km/h) | 49.2 mph (79.19 km/h) |
| 55 mph (88.51 km/h) | 54.12 mph (87.1 km/h) |
| 60 mph (96.56 km/h) | 59.04 mph (95.02 km/h) |
| 65 mph (104.61 km/h) | 63.96 mph (102.94 km/h) |
| 70 mph (112.65 km/h) | 68.89 mph (110.86 km/h) |
| 75 mph (120.7 km/h) | 73.81 mph (118.78 km/h) |
| 80 mph (128.75 km/h) | 78.73 mph (126.7 km/h) |
| 85 mph (136.79 km/h) | 83.65 mph (134.62 km/h) |
| 90 mph (144.84 km/h) | 88.57 mph (142.53 km/h) |
| 95 mph (152.89 km/h) | 93.49 mph (150.45 km/h) |
| 100 mph (160.93 km/h) | 98.41 mph (158.37 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
