What is a roof rack good for?
Emily Ross
Published Jan 19, 2026
A roof rack is a perfect carrier that enables you to load up your vehicle and carry bulky equipment from sporting goods to camping gear and a range of other items. It's also important to remember to always secure your load regardless of the type of roof rack or rail installed to your vehicle.
Are roof racks worth it?
Roof racks are great for hauling gear or luggage that you simply can't squeeze inside your vehicle. The added storage space on the roof of your vehicle clears up all of the space you need for every friend and family member you want to bring along. It is also a very simple way to stay organized and keep things clean.
Do roof racks affect performance?
Whether empty or loaded with equipment or a roof box, roof racks have a considerable impact on your car's performance—the main effect being aerodynamics and how that plays into your vehicle's gas mileage.
How will a roof rack effect your car?
Roof racks can cause damage to your car if they are installed incorrectly, or not tight enough. Not only can this increase the risk of an accident, but it can also make your roof rack unreliable when it comes to bearing the weight of extra items.
What can you put on a roof rack?
Once the roof rack is mounted on your car, you can use it for a wide range of cargo depending on your needs: roof boxes, bike racks, racks for kayaks, surfboards and SUP boards, and winter sport racks.
32 related questions foundHow much weight can a roof rack hold?
Overloading a roof rack can cause serious problems. For this reason, the universal cap for a roof rack is roughly 165 pounds.
What's the difference between roof rack and roof bars?
Roof rails run front to rear on both sides of the roof. They are often factory fitted. On their own, they cannot be used as roof racks. Roof bars run across the roof which are clamp mounted (secured with fit kits to the door frames), mounted to factory fitted fixpoints or roof rail mounted.
Does a roof rack increase fuel consumption?
Even an empty roof rack can add up to 15% to your fuel bill. The added weight and air resistance of a roof box, bikes or luggage strapped to the roof makes it worse. The higher the speed and the smaller, more aerodynamic the vehicle, the greater the effect.
Why should a roof rack be removed when not in use?
A roof rack will increase vehicle resistance to wind, causing an increase in fuel consumption. Ensure you remove it when not in use. An aerodynamically designed roof box or rack will assist in reducing wind resistance to the lowest level.
How will a police officer signal you to stop?
In most cases, if a police car wants you to stop your vehicle, they'll just start flashing their blue lights and possibly start their siren. They will then use their left-hand indicator to let you know that you need to pull over.
Do roof racks slow you down?
Our tests revealed that the sedan's fuel economy took a significant hit with the rooftop carrier. The Altima got nearly 48 mpg when traveling at 65 miles per hour with nothing on the roof. When just the roof rack was added, the car's mileage dropped by almost 11 percent, or 5 mpg.
Do roof racks decrease gas mileage?
BERKELEY, California — Automobile roof racks can reduce fuel economy by as much as 25 percent, according to a new study from Berkeley Lab.
Does an empty roof rack affect gas mileage?
Adding any rooftop carrier, cargo box, or ski rack doesn't come free. In fact, it significantly cuts your highway mileage all the time it's installed, whether there's weight up there or not.
How much should I spend on a roof rack?
The prices for roof racks vary depending on style, build quality, and more. Roof rack crossbars typically cost between $50 and $250, while roof cargo carriers and baskets may cost $100 to $800, with some costing even more.
How much does it cost to add a roof rack?
There are complete roof rack setups starting under $150 for a used rack on older vehicles, all the way through $500+ for a new, aerodynamic top-of-the-line setup.
Can you use a car wash with roof bars?
Yes, you can go through a car wash with roof racks.
In-car washes, sometimes the roller brushes are not in the ideal condition due to their intensive use and can lead to some damage to the bodywork. You wash the vehicle by yourself at the car wash stations, but that takes more time and effort.
Can you go through a car wash with roof bars?
Def wouldn't take it through with roof gear on. Go to a hand car wash. Costs the same, better for paintwork, leave roof rack on. I have used a car wash with roof bars attached, but not cycle carrying ones.
Is it OK to leave roof bars on?
Can I leave roof bars on my car? Yes, particularly if you're constantly transporting bikes or equipment. All of our roof bars are made from durable materials, so you don't need to detach and reattach them every time you need to get the bikes to the local park.
Do roof racks create drag?
Roof racks are handy additions to vehicles, giving additional space for bikes and luggage. But, they are also a real drag on fuel consumption and could increase your gasoline bill by as much as 25% according to new research published in “Energy Policy”.
Do roof racks make noise?
Roof racks usually start to make a high whistling noise once you start traveling at highway speeds. This is caused by wind passing over a consistent shape of a surface. The shape and speed of travel determine the tone of the wind, which happens to be a high whistle over roof racks.
What is the difference between a roof rack and a crossbar?
Roof bars or crossbars are a set of usually two bars that run across the top of the car. A roof rack, by comparison, will feature more than two crossbars and is often modular in design. Sometimes the racks see a fixed format with a set number of crossbars.
How can I strengthen my car roof?
one way to strengthen the roof structure is to add steel tubes inside the A pillar, which frames the windshield. Automakers also can change the shape of roof pillars to add strength.
How much weight can you put on the roof of your car?
Without one, it's usually 200 pounds. That said, be sure to check your car owner's manual to confirm what your car can hold. If your surfboards and gear are heavier than your car's weight limit, you could install a roof rack or use a towing trailer.
How much weight can you put in your car?
Smaller cars and sedans have a weight limit of 400-500 pounds. Of course, this limit depends on the type and size of vehicle you have.
How do I stop my roof rack from whistling?
Simply wrap a 4-foot bungee cord in a tight spiral around the crossbars, attaching the cord at both ends of the crossbar. The bungee cord should be tightly wrapped around the crossbar. If yours is loose, you'll need a shorter bungee cord.