According to the sale statistics from Autopumpkin.co.uk and Pumpkin ebay, amazon store. we summed up to the following the modle of car stereos which are popular in UK market.

For VW

NO.1 Sku:LM-W0352

Pumpkin 7 Inch Wince 6.0 Double Din HD Touch Screen Headunit for VW Series/Seat Series/Skoda Series In Dash Car DVD Player GPS Navigation Stereo support GPS/SD/USB/FM/AM/Radio/AV-IN/Bluetooth/Steering Wheel Control/DTV Box Multimedia Station System

Pumpkin Car DVD Player UK

No.2 Sku:KD-C0346

Pumpkin for VW/Jetta/Skoda/Seat Series 8 inch Quad Core HD Touchscreen 1024*600 Android 4.4 Double Din In Dash Car DVD Player Stereo GPS Navigation support 3G/Wifi/OBD2/Bluetooth/1080P/DVR/iPod/iPhone4/SD/USB/HDD Multi-media/AM/FM Radio/Steering Wheel Control/Mirror-link (Car Stereo with GPS)

Pumpkin Car DVD Player UK 

No3 Sku:CS-W0326

For VW Passat B5/MK5/Golf/Jetta/Chico/Bora Pumpkin Radio Head GPS Navigation Car DVD Player 7 Inch HD Touch Screen System 

Pumpkin Car DVD Player UK

More information you can visit http://www.autopumpkin.co.uk/vw-volkswagen-car-dvd-gps.html