Feed your need for speed: 10 fastest used cars you can get for under $30,000

Whether you’re looking for speed, looks, performance, luxury, or even all-wheel drive for a reasonable price, consider one of these impressively fast, impossibly affordable cars. 

Here are 10 scary fast cars on a $30,000 budget. 

1. 2014 Audi RS 5

Drop-dead gorgeous looks, a 450-horsepower 4.2-liter V8, and standard…