Yes, the hub is identical
Same 4x114.3 PCD and same 67.1 mm centre bore: wheels from Mitsubishi Starion bolt on and centre on Mitsubishi Carisma 1.8i 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 Mitsubishi Starion is compared with the one from Mitsubishi Carisma 1.8i 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.
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≈7Jx15 ET18 · 215/60R15 — Check on the car
Compared with the original ≈6Jx15 ET45 on Mitsubishi Carisma 1.8i: shock absorber side −14.3 mm, wheel arch side +39.7 mm, tyre diameter +2.8 % : fit it with the original tyre size of Mitsubishi Carisma 1.8i (185/65R15), not that of Mitsubishi Starion.
Comparison for guidance only (estimated width). Check in detail
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 Mitsubishi Carisma 1.8i (Ecrous - 12x1.50), 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 Mitsubishi Carisma 1.8i on Mitsubishi Starion?