Hi, I have a 1989 MkII Gti, it averages 38 - 40 MPG. I have also just bought a new Renault Megane 1.5 cDi with a claimed 60 MPG, actually 52 MPG. The Megane is great to drive and has amazing accelaration and overtaking power, however, I would rather drive my Gti anyday. It is so much more alive and responsive.