I think that you can get a US 16V in good shape for $7-8k. The 16V's that you see on E-bay usually aren't kept up that well, hence their lower selling point. Of course there are some exceptions, but then you really need to look into the condition of the car yourself.

Good Luck with your search,
Giancarlo

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PAST MB's: 2006 E55 AMG | 1986 190E 2.3-16