Currently running a mildish tune at 365whp and ~400 ftlbs wtq.... more than enough power to get up to the hill! The rear seats fold down for space, I also have a roof rack I use occasionally, high elevation driving is no problem with the turbos, heated seats, side view mirrors, auto dim mirrors, HID lights, quattro etc. etc. make it a fun car year round.
I run the stock S4 avus wheels with some altimax arctic snow tires in the winter and it gets around very well. Here's a little video I made 2 years ago when I first bought the car...
2002 Toyota Celica With Nordman snows all around...never had a problem getting where I need to go.Been using this for solo trips since 2002.
Also for the family days , a 2005 Subaru Legacy with 4 studded Hakkas on it- unreal traction, but sounds funny on dry roads.