Problems over the last 9+ years that have averaged about $100/year in parts outside of oil, brakes, belts, plugs, and tune-up:
Catalytic converter ceramic cracked inside (rattles) @ 25,000. Replaced under warranty and it cracked again at 50,000. It still rattles.
Rear window clips failed at 40,000 (where glass fastens). Cost 3 hours + some solder. Remove the old clips, weld to make stronger and reinstall. No problems since.
Water pump and timing belt failed at 72,000 miles. Water pump o-ring failed (leaked) again at 90,000 (dumb design). Cost was about $350 in parts. Autozone replaced the 2nd water pump for free. Use lots of RTV silicone here.
Steering coupler (tie rod end) was loose and both ends were replaced with polyurethane ones at about 65,000. Very tight steering since.
Ignition coil failed at about 60,000. Still ran on 4 cylinders. About $30 parts.
AC compressor failed at 98,000 (my fault-slightly too much belt tension). Replaced with rebuilt and throughly cleaned the system before recharge. $260 including leak check and recharge.
Fuel rails leaded gas at about 80,000. Replaced 0 rings. About $8.
AC presure senor failed at about 40,000.
Think this was about $35 + $40 recharge.
Radio failure at about 120,000. Needed a CD player anyway. About $160. Should have done this sooner.
Transmission is starting to mis-behave (jerk shift) a little when cold (speed sensor I read). Cruise control is out. (computer I think). Trunk sometimes opens in the middle of the night (computer cool-down I think). The inside release is now disabled.
Hope this helps -- Matthew.