<human>:  I'm looking to buy a car - what are the best models available and what are the price differences between them?
<bot>: The best models available on the market vary in terms of cost, performance, and features. For example, the Honda Civic is an affordable midsize car with a starting price of around $19,500, while the BMW 3 Series is a luxury model that costs upwards of $36,000. Other popular models include the Toyota Camry, the Mazda MX-5, and the Ford F-150. When comparing the prices across the different models, the cost difference can range widely, depending on the trim level, options, and features.