I have a 1999.5 and would like the brochure to go with it. I do have the 1999 one.

In fact, my Window Sticker said 1999. Did yours say 99.5?? I think they just transition certain features mid year, but couldn;t tell you why.

I started looking very closely at A4's when the 99's were in the showrooms, then the 99.5's came out (still says 99 on window sticker) and I couldn't figure out what car it was. And then I ordered a '00. So during this time I gathered as much info as possible.

I have three brochures:
'99 A4
'99 Audi (refered to as the "Show Brochure", it has the A4, A6, and A8)
'00 A4

Mark P
'00 1.8TQMSX

for example, they say in the A4 info that some of the MY 2000 changes were introduced in mid '99. But nothing is different for the brochures for 1999 vs. 1999.5

Jon
'96 A4qs

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Basically the brochure is the same as 99, the only exception was they put a 99.5supplement pamplet along with the 99 to show the differences.
That supplement didn't even have Clay interior photo, Onxy changed to Ambition or some details informations.
The closet to 99.5 is the current 2000 brochure. Similar changes for most of the times except new 10-spoke sports wheels and Symphony sterero with in-dash CD-player.
Funny thing is they reprinted a new type of brochure when the 98 A4 2.8 30V first introduced at summer of 97. Then another different brochure for 98 1.8T/98.5 2.8 at September with atmospheres.
Tom
97 A4 1.8TQMS
99 BORA GLS 2.0
00 (OR 01) NEW BEETLE GLS 1.9TDI (ON ORDER)
98.5 A4 1.8TQAS WETTED