2018 offset /back space

[Old true car nut]

Can someone tell me if a 13 gt500 offset / backspace is the same as a 18 gt are the same

Thanks rob

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[Apex Wheels]

Front wheels are 19x9.5" ET44 and the rear are 20x9.5" ET50 for the GT500. I don't know what wheels you have, but here are the GT500 specs.