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.

Ford has divulged the technical intricacies of its new 10-speed automatic transmission available on the 2018 Ford Mustang. First of which was that it was developed partly in response to ...