Roof Box, Hitch Carrier, Fold-Flat: Why Drivers Re-Think Gear (2026)
According to Car and Driver’s back-to-back fuel-economy test on the same vehicle and route, a hitch-mounted carrier returned 25 mpg while a rooftop box dropped the result to 21 mpg—a gap big enough to change the “weekend math” at highway speed. Consumer Reports measured a similar direction in its own testing, finding an overall 19% … Read more