Video: Harry tries Porsche Panamera Diesel

evo boss Harry Metcalfe is partial to a big-engined GT car - he currently owns a classic Ferrari 330 and a V8 Maserati GranTurismo S, for instance - but his favourites all have one thing in common: petrol power.

So what does he think of Porsche's first diesel GT car, the oil-burning Panamera? Find out in his latest evo video diary, above...