Folks with the 2.5 Turbo will probably pipe in quickly. It is an excellent engine, with a few less problems that the big 6. (less terminal problems, or head problems that is)
That one would get my vote in a heartbeat, all other things being relatively equal.....

__________________
Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John