21-inch 911 Turbo Design wheels £2,671 Porsche Communication Management (PCM) including navigation module £2,007 Air suspension with self-levelling function and height adjustment inc (PASM) £1,789 Panoramic roof system £1,093 Comfort seats with memory package (14-way) £1,004 BOSE® Surround-Sound-System £801 Reversing camera including ParkAssist front and rear £332 Privacy glass £320 Mobile phone preparation £271 Heated front seats £259 Automatically dimming exterior and interior mirrors (i.c. w Comfort Memory Package) £243 Cargo management £219 Wheel centres with full-colour Porsche Crest £109 Smoker package £36 75-litre fuel tank £0 Black leather interior £0 Dark Blue - Metallic £0 Interior package Black (high-gloss) £0 Total Price of Optional Equipment £11,761