On my previous Saab (sig pic). I had it from 43,000 to 120,000 before it was killed by a mustang, all I did was change the oil and brake pads. It had a very hard life with me behind the wheel tee-hee. Still averaged 33-38 mpg highway
My current Saab, no problems so far.
It uses a lot of gm parts so parts aren't too pricey.
I recommend 05 and above if you want a turbo 4 (and I would prefer a turbo 4 over my current turbo 6, better mileage)