In the automotive world, where technology evolves at breakneck speed, many myths and legends still dictate how drivers operate and maintain their vehicles. While many concepts have become obsolete, beliefs like "the necessity of warming up the engine" or "always needing premium fuel" persist among drivers, often despite modern scientific and technical evidence.
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1. Premium Gas Isn't Always Better
While some sports cars and luxury models require premium fuel to ensure peak performance, the difference in octane rating primarily affects acceleration in high-performance engines. For most standard cars, modern engines use intelligent control systems to adjust ignition timing and prevent "knocking," making regular gas perfectly sufficient.
2. No Need to Warm Up the Engine Before Driving
Idling the car before driving was common in the past, especially in cold weather, to help oil reach moving parts. However, modern fuel-injected engines need only about 30 seconds for full lubrication. The best way to warm up a modern car is to drive it gently.
3. The "3,000-Mile Oil Change" is Outdated
The 3,000-mile rule is a relic of the past. With modern synthetic oils, service intervals can extend to 7,500 or even 10,000 miles. Many modern cars also feature oil-life monitors. Sticking to the old rule often leads to unnecessary expenses without real benefits.
4. Coasting in Neutral Does Not Save Fuel
Some believe that shifting to Neutral (N) while going downhill saves gas. In reality, modern fuel-injected engines detect deceleration and shut off fuel injection entirely while in gear. Switching to neutral cancels this feature, potentially consuming the same amount of fuel—or more.
5. Air Conditioning vs. Fuel Consumption
While the A/C puts a load on the engine, its impact on fuel economy varies greatly depending on the vehicle's speed and the A/C intensity. Studies show that at high speeds, using A/C can actually be more efficient than the aerodynamic drag caused by open windows.
6. Inflating Tires to Max Pressure Won't Cause an Explosion
The "Max Press" number on a tire sidewall indicates the maximum weight the tire can carry, not its "burst pressure." However, you should still stick to the manufacturer's recommended PSI (found on the door jamb) to avoid uneven wear and handling risks.
7. Electric Vehicle Fire Risks are Lower Than Expected
Despite the difficulty of extinguishing EV fires, statistics from Sweden show that the likelihood of an EV catching fire is significantly lower than that of internal combustion engine (ICE) vehicles: 1 in 37,500 for EVs compared to 1 in 1,300 for gas cars.
8. Pickups Aren't Always Best on Snow
Despite their power and ground clearance, the weight distribution of an empty pickup truck makes it less stable on snow compared to SUVs equipped with 4WD or AWD systems that distribute power more effectively to all wheels.
9. Car Color Does Not Raise Insurance Rates
The persistent belief that red cars are more expensive to insure is false. Insurance companies look at the make, model, driving record, and engine size. Only custom paint jobs or expensive modifications—not the base color—might affect premiums.
10. AWD is Not Strictly Necessary for Snow
While All-Wheel Drive (AWD) helps with traction and getting moving, it does not improve braking or steering on ice. Specialized winter tires are often more effective at providing the necessary grip than AWD with standard tires.
11. Topping Off Oil is Not a Substitute for an Oil Change
Adding new oil to a depleted engine doesn't clean out the "sludge" and contaminants in the old oil. Regular oil changes are essential to flush out debris and maintain engine health.
12. Don't Wait Until the Tank is Empty to Refuel
Running a fuel pump when the tank is very low increases wear and tear, as the fuel acts as a coolant for the pump. It also increases the risk of sucking in sediment from the bottom of the tank, which can damage the fuel system.
13. Tire Rotation is Essential for Even Wear
Tires wear differently depending on their position and the car's drivetrain (FWD vs. RWD). Regular rotation ensures even tread wear, extending the life of the tires and maintaining consistent handling.
14. The Timing of Refueling Makes No Practical Difference
The belief that buying gas in the cool of the morning gets you "more" fuel because the liquid is denser has no real-world basis. Gas is stored in insulated tanks deep underground, where the temperature remains constant regardless of the sun.
15. Lower Mileage Doesn't Always Mean a Better Used Car
Mileage isn't the only indicator of quality. A car that has been driven very little or only for short trips (especially diesels) may suffer from issues like clogged particulate filters or dried-out seals. A well-maintained high-mileage car is often a better bet than a neglected low-mileage one.
(Source: Al-Bayan)
