What's causing the noise when accelerating in a 2015 S5 with manual transmission, when the RPM doesn't match?

If the Haima S5 manual transmission shakes when starting without giving gas and runs at idle speed, what could be the reason?

What could be causing a strange noise when applying the handbrake on a 2015 GS?

I have a 2014 Haima S5 manual transmission, and it's not running smoothly. During acceleration, it feels jerky and there's a noticeable lag when shifting gears. What's causing this issue? Can any experienced drivers or mechanics help me out? 🙏🙏🙏🙏🙏

What could cause the steering to be heavy on a 2015 Haima S5 automatic?

The 2017 Land Cruiser with an automatic transmission struggles to accelerate when flooring the gas pedal, with the RPM not going above 2300, causing slow acceleration. However, when using cruise control, the acceleration is faster, and the RPM can increase. What might be the reason for this?

When driving a manual transmission car, if you hear a rubbing noise from the engine slightly above 2000 RPM, but it disappears above 2300 RPM, what could be the reason?

What is the normal RPM for a 2015 manual Nissan Sunny in fifth gear?

Is it normal for a 2015 Nissan Sunny manual transmission, with 80,000 kilometers, to have the RPM at 2000 when going over 70 mph in fifth gear?

What could cause the Kia Sportage automatic transmission to not accelerate properly?

What's causing the noise when accelerating in a 2015 S5 with manual transmission, when the RPM doesn't match?