Do you drive with a roof rack or cargo box? You need to know this! This video dives deep into the question: How much does a roof rack truly hurt your fuel economy? We conducted a detailed, real-world test to give you clear, reliable answers on your vehicle's miles per gallon (MPG). We start with a baseline vehicle, then add empty crossbars, and finally install a loaded cargo box to measure the exact percentage of fuel you are losing.
We reveal research that shows empty racks can reduce fuel efficiency by 2–7%, and loaded boxes can drop it by 10–25% at highway speeds. We explain the simple physics of aerodynamic drag and why speed is the biggest factor in fuel loss. You will learn easy tips to minimize the impact, like removing the rack when not in use and driving a little slower. Watch until the end for the top three things you can do today to keep your money in your pocket, not in the gas tank. If you plan road trips or just drive with gear, this video is a must-watch to protect your car's efficiency and your bank account.
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