Yes, the hub is identical
Same 5x110 PCD and same 65.1 mm centre bore: wheels from Alfa Romeo Giulietta bolt on and centre on Fiat 500X without rings. You still need to check the offset and tyres, detailed below.
≈: width estimated from the original tyre size.
Wheel by wheel: offset and tyres
Each original wheel from Alfa Romeo Giulietta is compared with the one from Fiat 500X of the same diameter: how much closer the wheel gets to the shock absorber or how far it sticks out of the wheel arch, and whether the tyre keeps the same overall diameter.
- ✓
≈6.5Jx16 ET41 · 205/55R16 — Fits like the original
Compared with the original 6.5Jx16 ET41 on Fiat 500X: shock absorber side 0 mm, wheel arch side 0 mm, tyre diameter −4.9 % : fit it with the original tyre size of Fiat 500X (215/60R16), not that of Alfa Romeo Giulietta.
Comparison for guidance only (estimated width). Check in detail
- ?
≈6Jx13 ET40 · 185/70R13
Fiat 500X has no 13-inch original wheel in our data: check the approved fitments and caliper clearance.
Before fitting the wheels
An identical hub is not enough: offset, width and diameter change the position of the wheel, and larger calipers can touch a smaller wheel. Original wheels often use bolts or nuts with a specific seat: keep the fixings intended for the wheel, with the thread of Fiat 500X (-), tightened to the torque shown on its vehicle page. Finally, check that the size is among the approved fitments for your vehicle. This comparison is for guidance only: have the fitting approved by a professional.
And the other way round: wheels from Fiat 500X on Alfa Romeo Giulietta?