Thanks LeMans. Your link eventually gets you to an article that describes an upcomimg X5 "M" varient with a likely "V12 engine from BMW's 760i delivering 438 bhp." That wouldn't be too bad, but still below what I was hoping for (>500 hp). There's no word on timing ('08 or '09?). Thanks.

As far as a third row, I'm just wondering if it will be an option like it is in the current 4.8i. If not, I'd probably put my money into a low mileaged CPO'd '06 Cayenne Turbo S (520 hp) before buying a new X5 at 438 hp.

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'04 TT cab (x73, short shifter) and '04 X5 4.8is
'07 Escalade ESV