CARS - cars fuel consumption comparison web sites

http://www.fuelly.com/car/volkswagen/passat/2013/zcontest/432851

VW Jetta, Golf, Passat 

5.6 L/km
2013 Volkswagen Passat TDI SE
2.0L L4 DIESEL Automatic Dual Clutch 6 Speed

BMW 320 ds only DISELS

7 L/km