we've had our Cutlass for 7 years now and it has 126,000 miles now. It's been a great car, never left us stranded. Has had regular maintenance, but nothing major, and nothing recurring/problematic. We've put a lot of miles on it and use it pretty much every day and it's been good to us. In the last year or two it had developed some rust along the bottom of the doors, which I'm told is a common problem for the cutlass/malibus. For being a 6 cylinder it has pretty good performance and is fun to drive.
I bought my Olds Cutlass at the end of my Sophomore year in College. Its been a decent car and fairly reliable. However, it is seeming to nickel and dime me more and more as time goes on. Since this summer started, the catalytic converter went (at about 62,000 miles), a pulley on the serpentine belt disintergrated due to a bad bearing, the front struts are shot, and now a loud grinding noise seems to be coming from the compressor. In addition, my tapedeck and lights on the radio don't work, and there is also a ton of rattling in the interior that is only getting worse. Overall, age is not this car's ally. It is a decent car, but definitely not constructed to last.
Bought this car in 1999 with 17,000 miles on it. With the exception of an alternator, two head gaskets, many sets of brakes, and a power steering pump my car just turned 275,000 miles and STILL gets 27mpg average. Took a trip last summer and with cruise control I got 30mpg. If only it would last forever.