
The role of air pressure in improving tire life and reducing fuel consumption
Majd Eddin Safaya
July 2, 2025
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Minutes to read
It may seem simple... just compressed air inside the tire, inflate the tire and once the tire hardens, it's over, but the truth is that air pressure is the silent factor that determines whether your tires will serve you for years or wear out within months, and whether you will drive safely and economically or waste fuel and risk your life.
In this article, we will explain to you — in an easy and clear way — how air pressure plays a key role in extending tire life, saving fuel, and maintaining vehicle performance, supported by real figures and recent studies that you have never heard before.
The importance of air pressure in tires
The tire is not a random piece of rubber. It is an integrated engineering system. Each part works efficiently only if the internal pressure is carefully controlled. When air pressure is low, the tire flattens from the sides, and contact with the road becomes unbalanced, leading to rapid wear on the ends and the tire temperature rises.
When the pressure is excessive, the tire bulges in the middle, and the area of contact with the ground decreases, which weakens stability and leads to wear in the center of the tire.
When the pressure is “adjusted”, then the loads are distributed evenly and the tire works as well as possible.
According to a study published by the National Highway Traffic Safety Administration (NHTSA) in 2022, more than 12,000 accidents recorded in the United States in one year were directly related to poor tire condition. One of the most prominent causes was low air pressure.
How does air pressure affect tire life?
According to a study conducted by the Transportation Research Center at the University of Illinois in 2021, driving with only 15% low-pressure tires leads to a 20% reduction in tire life.
In real tests conducted by Continental on a closed circuit, it was found that a low-pressure tire wears 28% faster than a tuned tire.
The explanation is simple: the more unbalanced friction, the more the tire heats up, and the inner layers gradually begin to tear.
The explanation is simple and clear:

When the air pressure is not appropriate, the shape of the tire changes while traveling. At low pressure, the tire flattens and sticks to the road irregularly, generating higher friction than normal, generating excessive heat inside the tire.
Low pressure = wear on the sides.
High pressure = corrosion in the middle.
Equilibrium = the longest possible shelf life.
With repeated pressure and friction on the tire, internal materials gradually begin to wear and weaken, just as happens if you rub a piece of rubber on a hot surface for a long time. This temperature does not only affect the surface of the tire, but may reach its deep layers, causing cracks and internal tears that are difficult to see, but it weakens the structure and shortens the life span significantly.
The relationship between air pressure and fuel consumption:
Did you know that a low-pressure tire increases rolling resistance? This means that the engine needs more power to move the vehicle, resulting in more fuel consumption.
The U.S. Environmental Protection Agency (EPA) has confirmed that every 1 PSI drop in tire pressure results in an increase in fuel consumption of approximately 0.2%.
The percentage may seem small, but over time it means hundreds of liters wasted per year, especially in trucks and heavy vehicles.
In another study conducted by the Association of European Drivers in 2022, it was found that drivers who regularly check their tire pressure saved an average of 3.4% in fuel consumption compared to those who did not.
Common mistakes drivers make in tire pressure
Although checking air pressure seems simple, there are common mistakes made by many drivers, including:
- Check the pressure immediately after driving, giving an inaccurate reading due to high air temperature.
- Relying only on the appearance of the outer frame without using an accurate scale.
- Using old or uncalibrated measuring equipment.
- Forget about checking the spare tire pressure.
- Adjust pressure based on the maximum limit written on the tire, rather than vehicle specific instructions.
These errors may seem small, but over time they lead to major performance and safety issues.
When and how to check air pressure?
You may think that checking air pressure is a matter for maintenance centers only, or that it is a procedure that is only performed once every several months, but the reality is completely different. Air pressure is affected by many factors, such as:
- air temperature.
- long driving hours.
- The truck load.
- The path you're on
Any minor defect may lead to serious problems. That's why it's not enough to check air pressure every so often. You should also know when these tests are necessary and what signs you should pay attention to.
Here are a number of tips to help you know when and how to check air pressure?
- Check the air pressure when the tire is cold, because the heat temporarily raises the pressure.
- Use an accurate pressure gauge, or do it at a gas station or specialized workshop.
- Check the vehicle manual to find out the appropriate pressure. Each vehicle has its own pressure number.
- Check air pressure when the seasons change, especially when moving from summer to winter or vice versa.
- After loading the truck with a heavy or unusual load.
- After crossing a bumpy road or long distances.
- If you experience an abnormal concussion or an inclination in driving.
- If the vehicle is stopped for a long time without use.
The role of good tires in maintaining constant air pressure:
Not all tires are able to maintain air pressure for a long time. Low-quality tires often lose air quickly, due to weakness in their sidewall, poor air valve, or poor materials used in manufacturing.
Good tires — such as the Darbek tires — are designed with advanced technologies that allow you to maintain stable pressure for as long as possible. The inner wall made of impermeable materials, tight valves, and a cohesive structure are all factors that ensure stable pressure and reduce the need for repeated adjustments.
Choosing a good tire not only improves driving, but also saves you the trouble of constantly checking the pressure. Your derby tire has received the Saudi quality mark, so using this tire provides you with more safety and comfort on every journey.
In conclusion...
After all I've read, you've come to know that air pressure is not just a number we read in the car manual. It is a determining factor in every journey you drive.
Lower pressure? means faster wear, higher heat, greater risk.
Too much pressure? means less stability, uncomfortable driving, and unbalanced wear.
But a controlled pressure? It means safe driving, longer lasting tires, and smarter fuel consumption.
From now on, it is clear that checking your tire pressure regularly and using high-quality tires is a smart decision that protects your car and your wallet at the same time.
This is where “Darbek” comes in. They are tires designed to maintain optimal pressure and give you peace of mind, whatever the road conditions.
So... Don't wait for the problem to move, check your tire pressure today and choose “Derbek” to continue the road with confidence.
Train you... because your safety starts at the first wheel roll.