Bigger battery and uprated fuses required. Definitely both retrofittable, so lots of existing owners and order holders getting very excited on the Tesla fora! +++

Hmm even more Tesla news has hit my inbox! :D

From Insane Mode to Ludicrous Speed
The most powerful Model S ever, the P90D, increases power delivery from an insane 3.1 seconds 0-60 time to a ludicrous 2.8 seconds and a sub-11 second quarter mile time.

Increase your range to 300 miles
The new extended range option is an upgrade to the battery pack energy from 85 to 90 kWh for £1,500 on new configurations, which provides about 6% increased range. This makes our longest range model, the 90D, capable of almost 300 miles of motorway range at 65mph.

Defining "fastest"...
 

and this is interesting, as a contrast to the other thread posting on "fastest" cars…

http://uk.businessinsider.com/13-sup...15-7?r=US&IR=T