Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/65-17 | 205/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.49 (698.3) | 28.49 (723.7) | 1 (25.4) 3.6% |
| Width inches (mm) | 8.07 (205) | 8.07 (205) | 0 (0) 0% |
| Circum. inches (mm) | 86.37 (2193.77) | 89.51 (2273.57) | 3.14 (79.8) 3.6% |
| Sidewall Height inches (mm) | 5.25 (133.25) | 5.25 (133.25) | 0 (0) 0% |
| Revolutions per mile (km) | 733.6 (455.83) | 707.85 (439.84) | -25.75 (-16) -3.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.73 mph (33.36 km/h) |
| 25 mph (40.23 km/h) | 25.91 mph (41.7 km/h) |
| 30 mph (48.28 km/h) | 31.09 mph (50.04 km/h) |
| 35 mph (56.33 km/h) | 36.27 mph (58.38 km/h) |
| 40 mph (64.37 km/h) | 41.45 mph (66.72 km/h) |
| 45 mph (72.42 km/h) | 46.64 mph (75.05 km/h) |
| 50 mph (80.47 km/h) | 51.82 mph (83.39 km/h) |
| 55 mph (88.51 km/h) | 57 mph (91.73 km/h) |
| 60 mph (96.56 km/h) | 62.18 mph (100.07 km/h) |
| 65 mph (104.61 km/h) | 67.36 mph (108.41 km/h) |
| 70 mph (112.65 km/h) | 72.55 mph (116.75 km/h) |
| 75 mph (120.7 km/h) | 77.73 mph (125.09 km/h) |
| 80 mph (128.75 km/h) | 82.91 mph (133.43 km/h) |
| 85 mph (136.79 km/h) | 88.09 mph (141.77 km/h) |
| 90 mph (144.84 km/h) | 93.27 mph (150.11 km/h) |
| 95 mph (152.89 km/h) | 98.46 mph (158.45 km/h) |
| 100 mph (160.93 km/h) | 103.64 mph (166.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1801 | 2093 | 2254 | 2353 | 2461 | 2537 | 2622 | 2721 | 2859 | 2997 | 3150 | 3273 | 3495 | 3741 | 3932 | 4055 | 4124 | 4377 | 4729 | 5496 |
Better Fuel Economy Factory Ratios Increased Power
