2001 Audi A6 2.7T Quattro AWD 4dr Sedan (2.7L 6cyl Turbo 5A)
I bought a 2001 2.7T with 80,000 miles in September 2005. Since then, I had to replace two bad turbos and oxygen sensors. After that it was a couple broken seals. Then a couple months after having the 80,000 mile check up, the transmission/4 wheel drive system went out (3 weeks at an Audi dealer waiting for parts). I had begun to notice some strange goings on with the interior lights. In addition, when in heavy traffic for an extended period of time, the trip meter (miles before filling up) flips out and a blinking time set begins to display. Good thing I bought an expensive 2 year extended warranty with the car, but I'm really falling out of love.
Styling, good ride, rich and comfy interior.
Reliability. For such an expensive car when new, one should expect a heck of a lot more.