The context of the following conversation is Aubrey decided to buy a new car, her old one was always breaking down.:
Aubrey says My old car is breaking down. I need to buy a new one..
The friend responds What are you buying, have you decided yet?.
Aubrey responds I've been checking out a couple of cars, but I haven't decided yet..
The friend responds Do you want big car, like a truck or a smaller one like that convertible you've been telling me about?.
Aubrey responds That's the thing. I need them both really, but I can only afford one..
The friend responds You should go for some test drives..