Does driving at 4000 RPM damage the engine?

[HadleyFitz]

Driving at 4000 RPM under normal conditions can damage the engine. Below is an introduction to the speed and RPM gear comparison as well as precautions for gear shifting: Speed and RPM gear comparison: Start in first gear with the engine RPM around 1000-1500; shift to second gear with the engine RPM around 1500-2000; shift to third gear with the engine RPM around 1500-2000; shift to fourth gear with the engine RPM around 1500-2000; shift to fifth gear with the engine RPM around 1500-3000. Precautions for gear shifting: Gear shifting operations require at least 3 gear changes to complete the process, and each gear shift must match the corresponding speed.

[DelRachel]

I've been driving for decades, from old carburetor engines to today's fuel-injected ones. Running at 4000 RPM during normal driving won't harm the engine. Modern engines are designed to be quite robust, with redlines typically above 6500 RPM - 4000 RPM is still in the mid-range, commonly seen during highway overtaking or hill climbing. Short-term operation at this speed won't cause problems; in fact, it can help clean carbon deposits and keep the intake tract and combustion chamber cleaner. However, engine health is crucial - be cautious if the oil condition is poor or the cooling system has issues. Remember to perform regular maintenance, change oil and spark plugs, and your engine will last long. Just drive relaxed normally, no need to frequently push to the redline.

[DeMolly]

As a car enthusiast, I often participate in track days and minor modifications. Running at 4000 RPM during normal driving is completely safe and doesn't harm the engine at all. This RPM range offers high engine efficiency and good torque output, making it perfectly normal during high-speed acceleration or in sport mode. Engine components are designed with redundancy, so short periods of high RPM won't accelerate wear and can actually prevent carbon buildup at low speeds. Key points to note: proper vehicle maintenance is essential, using high-quality oil can reduce friction and maintain stable oil pressure. Temperature control is also crucial—just ensure the cooling system is functioning properly. I've seen friends drive older performance cars for years, frequently operating in this manner, and their engines remain durable. Don't worry, engines aren't made of paper.

[StBrielle]

I'm a daily commuter who drives on the highway for an hour each day. Running at 4000 RPM during normal driving is perfectly fine. The engine is designed with a safe operating range, and 4000 RPM falls within the mid-to-high range, which is common during overtaking. The computer system regulates fuel supply and ignition to prevent overheating or overloading. Unless you frequently redline the engine when cold or drive aggressively for extended periods, engine wear is minimal. Key maintenance tip: Regular oil changes are crucial. Even as the car ages, you can drive with confidence thanks to the engine's reliable quality.