The most expensive thing most Americans own, after their house, is their car. On average, Americans spend 5% of their income on purchasing a car and another 5% towards on-going vehicle maintenance and insurance costs.
 But it costs more to keep some cars running than others. And different cars have varying risks of leaving their drivers suddenly immobilized.
 We decided to analyze data from YourMechanic, a Priceonomics customer with a massive dataset of the make and model of the cars they have serviced and the type of maintenance done.