Dikili is a peaceful coastal town, but having your own wheels makes exploring the area so much better and more flexible. Most people go for small hatchbacks or compact cars since the roads are narrow and parking can be tricky in some spots. Automatic transmission is also a good idea if you don’t fancy driving manual in the heat. You can easily rent a car in Dikili right here
https://getrentacar.com/en-US/turkey/dikili . They have a decent range of cars starting from economy models with flexible pickup around the town.