Me bros old seat alhambra 1.9td used to average 46, but his(wifes) 09 tourerag thingy a 3.0tdi only does 18mpg, but is auto and new.
On my old a series engined mini(1969) with a 12G295 I could get 60mpg at a steady 55mph.
Last friday I got 38.8 from the cossie, going from east anglia to scarborough and back.
tabetha