205/45R17 vs 205/50R16
205/50R16 is 5.0 mm shorter than 205/45R17 in overall diameter (−0.8%), within the usual 3% limit, so it can replace it where the wheels and clearance allow. With 205/50R16 fitted, the speedometer reads 100 km/h when you are doing 99.2 km/h.
Dimensions side by side
| 205/45R17 | 205/50R16 | |
|---|---|---|
| Overall diameter | 616 mm (24.3″) | 611 mm (24.1″) |
| Section width | 205 mm | 205 mm |
| Sidewall height | 92 mm | 103 mm |
| Rim | 17″ | 16″ |
| Revolutions per km | 517 | 521 |
| In stock | 11 tires from $129.00 | 4 tires from $90.00 |
What changes
- Overall diameter: 205/50R16 is 5.0 mm shorter (−0.8%).
- Speedometer: reads 100 km/h at an actual 99.2 km/h with 205/50R16.
- Wheel size changes from 17″ to 16″: 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 205/45R17
Vehicles that use 205/50R16
See every alternate size for 205/45R17
Frequently asked questions
Can I use 205/50R16 instead of 205/45R17?
Usually, yes: 205/50R16 is within 3% of the overall diameter of 205/45R17 (−0.8%). 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 205/45R17 and 205/50R16?
With 205/50R16 instead of 205/45R17, the speedometer shows 100 km/h when you are actually doing 99.2 km/h.
Which vehicles came with both 205/45R17 and 205/50R16?
Both sizes were original equipment, on different trims or packages, on the 1995–1997 Volvo 850.