Hi,
Fiat wheels won't fit your car as the PCD is 98mm compared to the GSR's 114.3mm.
If there going very cheap buy them, take the tyres off and trade the rims off a set that will fit your car.
Anyway here's a link that will help you match up fitments to your car. http://www.tyresave.co.uk/fitment.html
Regards,
Paul.C
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