Our opinions are our own. Here is a list of our partners and here's how we make money. The best place to buy a used car — whether it’s a traditional car dealership, used-car website or private ...

In our tests, we've found that in some cars a manual transmission can improve gas mileage by a significant 2 to 5 mpg, compared with an automatic, and can cut a car's price by $800 to $1,200.