05 E53 3.0d 30,000 on the clock and from new the computer reads

average 22.6MPG.

I use it for a whole mixture of city/town driving to motorway/highway driving

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3.0D Sport Auto, CARBON BLACK! Grey Leather, Smokey Grey Trim, Running boards, auto dim folding mirrors. 6 Disc CD Changer. Tinted windows. 19" style 132 Wheels. PDC.
Sports Pack. 6 Speed Steptronic. Communications Pack - SATNav MKIV, Digital Television tuner with Teletext.