Human: I want to buy a car. What cars get good mileage and are affordable? Assistant: 
Depending on your budget and needs, there are several cars that can provide good fuel economy and fit into an affordable price range. Some popular options include the Honda Civic, Toyota Corolla, Hyundai Elantra, Volkswagen Jetta, and Ford Focus. All of these models offer good gas mileage and range in price depending on their features and trim levels.