I’m not happy

Since I purchased the vehicle I am unsatisfied with the level of service I have received! I feel I have been made the mediocre, the vehicle started leaking the first time I drove it home from the dealership. I returned the vehicle to the dealership to be assessed where the fault may be. It has been three times since returning the vehicle now . The first time they repaired it still it was leaking, returned it and they repaired it the second time it was still leaking. I returned it back for the third time now as they too don’t know what is at fault with it . When I asked for something in the same price range I was told about the POPIA act them protecting the client. It’s demeaning of them not to give me a brand new vehicle whereas I feel like I am the third owner of the vehicle. I am not pleased at all