For The Turbo S is even more powerful - and quicker - than the already astoundingly quick Turbo, without any penalty in fuel economy.
Against Paying the best part of £20k to cut 0.4 seconds from the 0-60mph time may not seem like good value.
Ourageously fast and capable, especially considering its size and weight. However, the standard Turbo is almost as quick and a lot cheaper.
The entry point into the Porsche Panamera range is the the V6 petrol version, which comes with sat-nav, a leather interior, parking sensors, alloys and cruise control.
Other versions cost a lot more, but don't have much more kit. The S has a 4.8-litre V8 engine, the 4S adds four-wheel drive and the semi-automatic gearbox, while the GTS adds more power, air suspension and a sports exhaust. The 493bhp Turbo and 542bhp Turbo S are the most expensive - cars in the range, and we wouldn't blame you if you couldn't resist them. However, we think the 3.0 diesel version makes most sense - it's fast, smooth, doesn't cost the earth to run and still drives like a Porsche should.p>
You can add all sorts of exotic extras. There's a button to make the exhaust louder, carbon-ceramic brakes, or a Sports Chrono Package that includes F1-style launch control. Also, Porsche takes all Panamera buyers to the Silverstone racetrack, where instructors show them how to get the best from their car.