Taycan 4S with uPdate vs Taycan 4S without range test

npx

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Unless I missed something, sounds like they found about a 3 percent efficiency difference. That's promising. Minimal, but it's nice to see porsche putting effort in and fine tuning post-sales even for cars that are approaching 3 years old.
 

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It's more than 3%. They both started at 95%, the updated Taycan had 25% left the pre-update Taycan 22% => +4% difference.

Also the pano roof on the updated Taycan can be a factor as that's around 30kg weight difference.
 
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One of the cars had a manual vs. motorized charge port which blocks the air-scarf vent, causing it to be potentially another 1% less efficient.
 

f1eng

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Road tests are a pretty pointless way of doing a real comparison, really.
Lab testing will reveal the real gains in efficiency of the drive train and electrical system and I am sure Porsche are gaining knowledge on the hardware all the time.

I had been surprised they went toi the rear motor from the front but since the rear has a higher gear maybe it runs at a more efficient RPM than the front (both must be turning anyway since there is no clutch).
 

 
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