 I purchased my Kia Rio new in 2004 and treated it well - always got oil changes on time, replaced the timing belt at 90,000 miles (I was told to do it by 100k).Within 3 years of purchase the brake proportioning valve went bad.W/in 2 years the rear tires were going bald far faster than they should have - turns out I was sold a new car with a bent rear axle.Past 2 years (100-120k): intermittent electrical problem that we finally realized (after replacing the spark plugs/wires 2x) was a cracked engine coil. Last week (139k): fourth cylinder blew.