There are a few reasons your car might sound like a motorcycle. The most common reason is that the engine is misfiring. This happens when the spark plugs are not firing correctly or the fuel mixture is off. If your engine is misfiring it will sound like it is running on two cylinders instead of four. Another reason your car might sound like a motorcycle is if the exhaust system is leaky. A leaky exhaust can cause a rattling sound that will make your car sound like it has a flat tire. If you have a manual transmission the clutch might be slipping which will also make your car sound like a motorcycle.
If your car is making a motorcycle sound the best thing to do is to take it to a mechanic and have them diagnose the problem.
Why does my car engine sound like a motorcycle?
It could be that your car’s muffler is damaged and needs to be replaced.