Swift hybrid engine sounds like a person coughing with phlegm

[song_bird]

I recently purchased a used 2018 Swift Hybrid and have noticed that at high rpms, the engine begins to make strange noises. I'm not very familiar with cars, so I'm not sure what's causing the issue. I'm hoping to get some expert advice on what could be causing the problem.

 

[Baked Mack]

Any updates? How about trying using higher octane fuels first, maybe that's the issue.

 

[titovicjoey]

Is your Swift still under warranty? It would be best to take it to your dealer.

 

[SuzukiDriver2024]

I recently purchased a used 2018 Swift Hybrid and have noticed that at high rpms, the engine begins to make strange noises. I'm not very familiar with cars, so I'm not sure what's causing the issue. I'm hoping to get some expert advice on what could be causing the problem.

Isn't it normal? I mean, it is all about shifting gears when the engine ask for it. Am I wrong?