Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/60-13 | 165/60-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.74 (552.2) | 20.8 (528.2) | -0.94 (-24) -4.3% |
| Width inches (mm) | 7.28 (185) | 6.5 (165) | -0.79 (-20) -10.8% |
| Circum. inches (mm) | 68.3 (1734.79) | 65.33 (1659.39) | -2.97 (-75.4) -4.3% |
| Sidewall Height inches (mm) | 4.37 (111) | 3.9 (99) | -0.47 (-12) -10.8% |
| Revolutions per mile (km) | 927.69 (576.44) | 969.84 (602.63) | 42.15 (26.19) 4.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.13 mph (30.79 km/h) |
| 25 mph (40.23 km/h) | 23.91 mph (38.49 km/h) |
| 30 mph (48.28 km/h) | 28.7 mph (46.18 km/h) |
| 35 mph (56.33 km/h) | 33.48 mph (53.88 km/h) |
| 40 mph (64.37 km/h) | 38.26 mph (61.58 km/h) |
| 45 mph (72.42 km/h) | 43.04 mph (69.27 km/h) |
| 50 mph (80.47 km/h) | 47.83 mph (76.97 km/h) |
| 55 mph (88.51 km/h) | 52.61 mph (84.67 km/h) |
| 60 mph (96.56 km/h) | 57.39 mph (92.36 km/h) |
| 65 mph (104.61 km/h) | 62.17 mph (100.06 km/h) |
| 70 mph (112.65 km/h) | 66.96 mph (107.76 km/h) |
| 75 mph (120.7 km/h) | 71.74 mph (115.46 km/h) |
| 80 mph (128.75 km/h) | 76.52 mph (123.15 km/h) |
| 85 mph (136.79 km/h) | 81.31 mph (130.85 km/h) |
| 90 mph (144.84 km/h) | 86.09 mph (138.55 km/h) |
| 95 mph (152.89 km/h) | 90.87 mph (146.24 km/h) |
| 100 mph (160.93 km/h) | 95.65 mph (153.94 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
