<human>:  What are the five most important things to consider when buying a car?
<bot>: 
1. Budget: Setting a budget will play an important role in determining which car you can realistically purchase.
2. Reliability: Researching the reliability of the car you’re considering is important in order to ensure that you're making a worthwhile purchase.
3. Fuel efficiency: Make sure to look into how fuel efficient the car is and what its expected mileage is.
4. Insurance: Research potential insurance costs, as this will be part of the overall cost of owning the car.
5. Service and maintenance: Check the service and maintenance requirements for the model you’re interested in to ensure you can meet all necessary expectations.