Referencing the shop manual information:
The height adjustment motors appear to be the same part number.
The seat back motors seem to be the same also.
But the motors that move the seat fore and aft do not appear to be the same.
RepairPal Certified shops can diagnose and repair your 2007 Audi Q7. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.