Hi there,
I have simmilar apps so i will build your application in attractive and professional way to show your cars for your customers via the activites .
The user will be relax when move from one to another because i have good experience in ui/ux and know the success steps and tricks to make user open the app and feel relax with it , so itwill be good chance to attrat him for your cars to buy it.
Looking forward to work for you.
Best,
Amal