235/35R19 vs 235/50R17
235/50R17 is 20.0 mm taller than 235/35R19 in overall diameter (+3.1%). That is more than the usual 3% limit, so it is not a direct replacement. With 235/50R17 fitted, the speedometer reads 100 km/h when you are doing 103.1 km/h.
Dimensions side by side
| 235/35R19 | 235/50R17 | |
|---|---|---|
| Overall diameter | 647 mm (25.5″) | 667 mm (26.3″) |
| Section width | 235 mm | 235 mm |
| Sidewall height | 82 mm | 118 mm |
| Rim | 19″ | 17″ |
| Revolutions per km | 492 | 477 |
| In stock | 31 tires from $111.00 | 15 tires from $118.00 |
What changes
- Overall diameter: 235/50R17 is 20.0 mm taller (+3.1%).
- Speedometer: reads 100 km/h at an actual 103.1 km/h with 235/50R17.
- Wheel size changes from 19″ 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 235/35R19
Vehicles that use 235/50R17
See every alternate size for 235/35R19
Frequently asked questions
Can I use 235/50R17 instead of 235/35R19?
Not as a direct replacement: 235/50R17 differs from 235/35R19 by +3.1% in overall diameter, more than the usual 3% limit. That affects the speedometer, ABS and traction control and can cause rubbing.
How much does the speedometer change between 235/35R19 and 235/50R17?
With 235/50R17 instead of 235/35R19, the speedometer shows 100 km/h when you are actually doing 103.1 km/h.
Which vehicles came with both 235/35R19 and 235/50R17?
Both sizes were original equipment, on different trims or packages, on the 2007–2013 Porsche Cayman, 2005–2012 Porsche Boxster.