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Since the Taycan is all electric, does anyone know if Porsche is going to have an option to have artificial engine noises when you're driving? Are we going to have Taycans sounding like 911's when you get behind the wheel?

I know other vehicles add fake sounds through the speakers and I'm curious if Porsche will do the same.
 

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Good news! It doesn't look like the Taycan will use fake engine noise, it will just be the whine of the electric motors. This is what Car and Driver said in their latest review:
There's No Fake Sound
The sound that's there is a low whine from the electric motors under acceleration and during regeneration. In Sport Plus mode, it morphs into a much lower-frequency, more spaceship-like noise but, this, too, we're told was created using recordings of the Taycan's electric motors on a test bench. During steady-state cruising the motors are silent, and Porsche has successfully silenced any high-frequency noise from the power electronics.
 

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Good news! It doesn't look like the Taycan will use fake engine noise, it will just be the whine of the electric motors. This is what Car and Driver said in their latest review:
I noticed that the fake engine sound was gone on the Fully Charged video from a few days ago but it was present in the Goodwood video. I’m not opposed to it as long as it is a toggle on/off option.
 

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I noticed that the fake engine sound was gone on the Fully Charged video from a few days ago but it was present in the Goodwood video. I’m not opposed to it as long as it is a toggle on/off option.
As long as you can turn it off that's fine with me too. But since it wasn't on the Fully Charged video and these reviews I don't think it will make it on the final version, just like the fake exhaust tips.
 

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There's an EU mandate for low-speed electric vehicles noises in effect already. I think it becomes mandatory in the US in 2020.

All new electric vehicles must come equipped with parts that produce noise under 12 miles per hour. There's no hard and fast rule on how a car must sound, but it has to land within a certain frequency range, and it must change pitch depending on acceleration and deceleration. The driver can still defeat these systems in certain situations, like stop-and-go highway traffic. The sound usually comes from a small pair of speakers located behind the body at the front and rear of the vehicle. But this only applies to 4-wheeled vehicles.

If you watch this video you can hear the low-speed noise:

 
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