Great cars not so good reliability. To give you an idea of my frame of refrence on reliability this is what cars my family has... Audi A4(sisters), Audi A6(moms), Volkswagen Phaeton(dads), Volkswagen GTI(mine). I have learned high maintenance costs are the price of driving an amazing europeanm luxury car.

S4's are a bit worse than what we have dealt with as turbos are thrown into the equation. I read in a car buyers quide that it was considered the least reliable of performance sedans for the first body style. I also talked to a guy with an S4 about reliability he said well I just had to replace my turbos with less than 80K on them for a few grand. So...