205/50R16 vs 215/45R17
215/45R17 is 14.0 mm taller than 205/50R16 in overall diameter (+2.3%), within the usual 3% limit, so it can replace it where the wheels and clearance allow. With 215/45R17 fitted, the speedometer reads 100 km/h when you are doing 102.3 km/h.
Dimensions side by side
| 205/50R16 | 215/45R17 | |
|---|---|---|
| Overall diameter | 611 mm (24.1″) | 625 mm (24.6″) |
| Section width | 205 mm | 215 mm |
| Sidewall height | 103 mm | 97 mm |
| Rim | 16″ | 17″ |
| Revolutions per km | 521 | 509 |
| In stock | 4 tires from $90.00 | 55 tires from $104.00 |
What changes
- Overall diameter: 215/45R17 is 14.0 mm taller (+2.3%).
- Speedometer: reads 100 km/h at an actual 102.3 km/h with 215/45R17.
- 215/45R17 is 10 mm wider, so check clearance and the recommended rim width.
- Wheel size changes from 16″ to 17″: you need wheels in the new size.
- Choose a load index at least as high as the one on your door placard.
Vehicles that came with both sizes
Vehicles that use 205/50R16
Vehicles that use 215/45R17
See every alternate size for 205/50R16
Frequently asked questions
Can I use 215/45R17 instead of 205/50R16?
Usually, yes: 215/45R17 is within 3% of the overall diameter of 205/50R16 (+2.3%). Use wheels of the right size and width, match or exceed the original load index, and check clearance at full steering lock.
How much does the speedometer change between 205/50R16 and 215/45R17?
With 215/45R17 instead of 205/50R16, the speedometer shows 100 km/h when you are actually doing 102.3 km/h.
Which vehicles came with both 205/50R16 and 215/45R17?
Both sizes were original equipment, on different trims or packages, on the 2009–2010 Ford Focus.