Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/55-12 | 205/55-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.15 (486.3) | 20.88 (530.3) | 1.73 (44) 9% |
| Width inches (mm) | 6.5 (165) | 8.07 (205) | 1.57 (40) 24.2% |
| Circum. inches (mm) | 60.15 (1527.76) | 65.59 (1665.99) | 5.44 (138.23) 9% |
| Sidewall Height inches (mm) | 3.57 (90.75) | 4.44 (112.75) | 0.87 (22) 24.2% |
| Revolutions per mile (km) | 1053.4 (654.55) | 966 (600.24) | -87.4 (-54.31) -8.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.81 mph (35.1 km/h) |
| 25 mph (40.23 km/h) | 27.26 mph (43.87 km/h) |
| 30 mph (48.28 km/h) | 32.71 mph (52.65 km/h) |
| 35 mph (56.33 km/h) | 38.17 mph (61.42 km/h) |
| 40 mph (64.37 km/h) | 43.62 mph (70.2 km/h) |
| 45 mph (72.42 km/h) | 49.07 mph (78.97 km/h) |
| 50 mph (80.47 km/h) | 54.52 mph (87.75 km/h) |
| 55 mph (88.51 km/h) | 59.98 mph (96.52 km/h) |
| 60 mph (96.56 km/h) | 65.43 mph (105.3 km/h) |
| 65 mph (104.61 km/h) | 70.88 mph (114.07 km/h) |
| 70 mph (112.65 km/h) | 76.33 mph (122.85 km/h) |
| 75 mph (120.7 km/h) | 81.79 mph (131.62 km/h) |
| 80 mph (128.75 km/h) | 87.24 mph (140.4 km/h) |
| 85 mph (136.79 km/h) | 92.69 mph (149.17 km/h) |
| 90 mph (144.84 km/h) | 98.14 mph (157.95 km/h) |
| 95 mph (152.89 km/h) | 103.6 mph (166.72 km/h) |
| 100 mph (160.93 km/h) | 109.05 mph (175.5 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
