Yes, the hub is identical
Same 5x114.3 PCD and same 71.6 mm centre bore: wheels from Dodge Nitro bolt on and centre on Chrysler Grand Voyager 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 Dodge Nitro is compared with the one from Chrysler Grand Voyager 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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≈7.5Jx17 ET39 · 245/65R17 — Check on the car
Compared with the original ≈7Jx17 ET40 on Chrysler Grand Voyager: shock absorber side +5.4 mm, wheel arch side +7.4 mm, tyre diameter +10.5 % : fit it with the original tyre size of Chrysler Grand Voyager (225/55R17), not that of Dodge Nitro.
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 Chrysler Grand Voyager (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 Chrysler Grand Voyager on Dodge Nitro?