Petrol v Diesel

[RDT]

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Chaps I'm reading a lot about the low MPG of your 650/640 petrol engines. I've had a few high performance big petrol engined cars over the years (911s, AMG Mercs, V8 BMWs) and I've just come out of a V8 Jag XKR into a 640d M Sport. I've also had V8 Cayennes and I'm now in the Cayenne D (3.0) although I'm reading Porsche are introducing a 4.0D into the US soon?

I have to tell you guys, althought the overal feel is obviously different, the performance is outstanding especially the mid range tourque. Not withstanding the money you'll save, it is a pain to keep stopping to fill up, almost daily in my case.

If you get the chance to take the 640d for a spin, I'd strongly recommend you do. The new Cayenne D is also an amazing drive.

[southern6er22]

I wish we had the 640d so I could test drive one. I don't think I'd be able to convince myself to give up the 650i and actually buy a diesel, but I'd love to take it for a drive. Not having to fill up as much is appealing though

[Harveyten]

a V8 is absolutely amazing, and a diesel will never be able to match the sound or hit the high end rev limits. however for every day driving the 640d is the best i have experienced. I have had a number of diesel cars and i also run an X5 with the same engine but BMW's engineers have worked thier magic on the 640d its simply stunning. As RDT has mentioned its definitely worth a drive!

[vladberca]

For Europeans might be an advantage to buy a diesel, but being in US I can't see any reason to buy one.
The new (updated) 4,4L V8 is just amazing
640i with a proper exhaust system is very good too