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What are the disadvantages of tonneau covers?

Tonneau covers are a popular accessory for pickup trucks, providing a convenient way to secure and protect the truck bed. However, they also come with some potential drawbacks that truck owners should consider. In this article, we'll explore the key disadvantages of using tonneau covers.


Reduced Fuel Efficiency


One of the primary disadvantages of tonneau covers is their impact on fuel efficiency. The added weight and aerodynamic drag created by the cover can reduce a truck's fuel economy by up to 5-10%. This can result in higher fuel costs over time, especially for those who drive long distances or frequently haul heavy loads.


Limited Cargo Space


Tonneau covers can also limit the amount of cargo that can be transported in the truck bed. The cover takes up valuable space, reducing the overall capacity of the truck bed. This can be particularly problematic for those who need to transport large or bulky items, such as furniture or construction materials.


Difficulty with Access


Another potential drawback of tonneau covers is the difficulty in accessing the truck bed. Depending on the type of cover, it may be necessary to remove or fold the cover to gain full access to the bed. This can be time-consuming and inconvenient, especially if the user needs to frequently access the truck bed.


Potential for Leaks and Damage


Tonneau covers, like any other accessory, are susceptible to wear and tear over time. Poorly installed or low-quality covers may be prone to leaks, which can damage the contents of the truck bed. Additionally, the cover itself may become damaged, requiring replacement or repair.p>

Increased Maintenance


Maintaining a tonneau cover can also be a disadvantage for some truck owners. The cover may require regular cleaning, lubrication, and adjustments to ensure it continues to function properly. This added maintenance can be time-consuming and may be an inconvenience for those who prefer a more hands-off approach to their vehicle.


In conclusion, while tonneau covers can provide valuable protection and security for a truck's cargo, they also come with several potential drawbacks. Truck owners should carefully consider these disadvantages before deciding whether a tonneau cover is the right choice for their vehicle and needs.

Do tonneau covers affect gas mileage?


It really depends on how you use your truck. If you're mostly driving in city traffic, a tonneau cover isn't going to make much of a difference in your gas mileage. However, if you're a frequent highway driver, a tonneau cover can help fuel efficiency.



What type of tonneau cover is best for fuel economy?


The issue here is that while any tonneau cover can reduce Cd, designs such as painted or heavy duty tonneau covers also add significant weight to your truck, negating any potential mileage improvement. This is why the best tonneau cover for fuel efficiency is a soft roll-up or soft folding bed cover.



How long do tonneau covers last?


With proper care, hard truck bed covers (including hinged, and retractables) will last for as long as you have your vehicle. Soft covers usually last for about 7-10 years staying in perfect shape before beginning to show a few signs of wear and tear. Tip: Avoid leaving large cargo on top of your tonneau cover for long.



Why does my tonneau cover keep popping up?


This can be due to road vibrations loosening the cover, worn or damaged components failing to do their job, dirt and debris gumming up moving parts, or as the result of improper installation and use. Sometimes the problem is just temporary, like freezing temperatures turning your tonneau cover into a Tupperware lid.



Do tonneau covers save gas MythBusters?


Based on independent studies from “MythBusters,” SEMA, and Consumer Reports, yes—in some cases. Here's a summary of the research findings: At best, tonneau covers improve gas mileage by under 2% Gas-saving benefits increase at higher driving speeds.



Can I sit on my tonneau cover?


Soft folding tonneau covers offer some protection to your truck bed, but they're not made to withstand someone's weight. The same goes for soft vinyl retractable covers.



Do tonneau covers keep rain out?


Retractable tonneaus are stored in a canister that sits at the bed bulkhead and can be extended to cover the truck bed with the click of a button. They aren't perfect at keeping water out, but they are meant to be good at withstanding rain and snow.



Can I go through a carwash with a tonneau cover?


You should be aware that most Car Washes do not cover damage to any items like a tonneau or bike rack that are added on to a vehicle. So that's probably why Google said that. Any properly installed tonneau should make it through a car wash without issue.



Should I leave my tonneau cover on all the time?


YES, you should keep your tonneau on this winter.
Well, first, you paid good money for that truck bed cover to, you know… cover the truck bed. Removing it would be counterintuitive, and risks exposing the metal bed to some seriously corrosive moisture and road salt.



What are the pros and cons of a tonneau cover?


Tri-Fold Tonneau Cover Pros

  • Additional Security. A hardcover tri-fold can secure your cargo, making it hard for thieves to get their hands on your goods.
  • Protection from the Elements.
  • Appearance.
  • Limited Access to Your Truck Bed.
  • Appearance.
  • Installation and Removal.
  • Bubbling.
  • Leaking.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.