I was, because I own exactly that...
was, because after your post I took a look at wikipedia, where it states exactly what you are saying.
Interestingly enough my price list for 2005 says something else. There is only noted the D5 with the 163bhp. But I pulled the 2006 price list, and you're totally right!
For MY 2006 there are two possible namings (and models), so that makes the following:
MY 2003 to MY 2005: XC90 D5 AWD (163bhp/automatic and manual transmission)
MY 2006 (until October 2005): XC90 2.4D AWD (1
63bhp/only automatic transmission) and XC90 D5 AWD (
185bhp/only manual transmission)
MY 2006 (from October 2005 on): XC90 D5 AWD (185bhp/automatic and manual transmission)
After that it was only D5 AWD, even with the 200bhp with MY 2011.
Sorry and thanks for noticing!
EDIT: here is the link to the MY2006 price list, page 10 (I only found it in german):
http://box.motorline.cc/autowelt/pdf..._xc90_2006.pdf