I had a '91 turbo quattro wagon and liked it a lot. Sold due to Texas unfriendly black/black. Solid car, good engine and turbo (I5 20 valve), weak electrics.

0-60 in 7 seconds, 155+ top end, 25+ mpg; all in a wagon. I miss it.

I think the Pentosin hydraulic fluid cited above is cheaper than listed. Similar to "use only certified MB fluids..."

I think Audi is currently a "hot" brand, so prices for used cars will be higher.