Hi,
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As can be calculated from the link above, it rotates at 820 RPM in 4th gear at 25 mph, which is quite good for an 8-cylinder engine. The maximum speed is 7100 RPM, and at 200 RPM in 4th gear, it's...
6570 RPM. The torque curve is relatively flat up to 7000 RPM, which allows for very relaxed driving if desired. My main reason for spending so much money was that it's simply too difficult for normal gasoline engines with less than 200 horsepower to achieve speeds of up to 180 km/h on the highway, especially when compared to diesel vehicles.
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I'm not quite sure why the M5 is included in this comparison. While it might be possible to drive an M5 at 25-200 mph in fourth gear, is that really what people buy an M5 for?
I'm driving my diesel car with the AXR engine on the road. When I need to overtake someone, I just press the accelerator without downshifting. This is what many people have mentioned before – the advantage of a diesel engine, which is the confident and relaxed driving experience.
The diesel engine simply has a smaller usable RPM range. On the racetrack, it would need to be shifted through 10 gears. I really feel sorry for the driver who constantly has to change gears!
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Efficiency is more important to me than peak performance.
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For me, that is the key point that clearly favors diesel engines.
And before all the RS4 and M5 drivers feel compelled to disagree:
Each of the cars has its merits. It just depends on where and what you need it for!
Regards,
Sure, here is the translation of the text from German to English:
"Micha"