I am thinking of purchasing the above car

Any repair must be costed individually, there are no set costs, there is no way of accurately giving you any accurate estimate of repaired with out knowing what needs doing, this goes for all cars.

Like any other late model vehicle, it has a large number of electronic modules and controls, all of which can be expensive to diagnose and repair. The mileage is low enough that you shouldn't have to be concerned with too much in the immediate future.