My Passat TDI wagon has room for 5 plus luggage, tows 1000lbs of trailer, has 265 ft/lbs of torque(like a V8) and gets 45 miles per imperial gallon.
6.7 liters per 100km.
Not some specs in a commercial, real life average over the 4 years I've owned it.
I guess I better watch my back.