The UK configurator appears to have the spec. details.
Choice of options might include (prices in UK sterling)
Sport Chrono Package Turbo including dynamic engine mounting - 2,823.00
Porsche Torque Vectoring (PTV) - 863.00
Porsche Ceramic Composite Brake (PCCB) - 5677.00
7-speed double clutch transmission (Porsche Doppelkupplung - PDK) - 2552.00
PDK 3-spoke sports steering wheel with shift paddles - 271.00
19 inch RS Spyder wheel with center lock - 2288.00
Adaptive sports seats - 659.00
Electric slide/tilt sunroof - 946.00
Dynamic cornering lights - 458.00
The following are incorporated in the base price:
ParkAssist (parking aid rear)
Windscreen with grey top tint
Telephone module
Porsche Vehicle Tracking System (VTS)
Universal audio interface
19 inch Turbo II wheel
so circa £120K sounds about ball-park for a fully-spec'd machine.
GT3 looks appears to be better value on paper essentially due to much lower base price and includes the spyder wheels at £0.00 additional.
Wonder why they are not offering the front axle lifting capability on TT? Weight or maybe GT3 dept. didn't tell TT dept. they had one.[
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According to my PC there is a delay in availability of the main brochure - I was in Zuffenhausen main dealership y'day and they didn't have them either with only a vague reason given (quite probably mis-interpreted on my part - german->english).