And to further fuel the debate (no pun intended - well not much), International engine awards 2006:

International engine of the year -
1st BMW V10 (M5, M6)
2nd VW Group 1.4 litre petrol
3rd BMW 3-litre twin turbo (535D).

Best Performance Engine Award 2006.
1st BMW 5.0 V10 (can we have then next X5 with one please)
2nd Ferrari 4.3L V8
3rd Merc-AMG 6.0L twin turbo.

Best engine above 4L
1st - that'll be the BMW V10 again then.....
2nd - Ferrari....as above
3rd - Merc-AMG....as above

Best engine 2.5L to 3L
1st BMW twin turbo diesel
2nd BMW six cylinder petrol.

Most are petrol but in the more normal class (for most European cars) around 3.0 litres - it's the diesel.

Rick

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Me:
Current: 2011 E71 40D Vermilion Red/Beige Nappa

Wifey:
Current: 2012 R80 Countryman SDX Green/Cream