Yes, Roof Boxes And Ski Racks Really Do Cut MPG—More Than You Might Think

2012 Nissan Leaf with roof rack fitted

There’s already a lot of controversy over the whether real-world mileage numbers can measure up to the official EPA ratings. But if you think failing to meet those EPA numbers by five or ten percent is already a letdown, be very careful about your cargo-carrying expectations in your next sedan, hatchback, or crossover. Adding any rooftop… …read more