I have had my Chevy Aveo for about 1 year now. I haven't had any major problems. The very first problem I had was that the Onstar wasn't working. Second problem I am still having is that at times it will not start. I usually have to wait about a minute or two then try again and it usually starts. The other thing is how hard it is to find oil filters for it. Sometimes the filters are a little pricey.
Even though it is a small vehicle I like the room i have inside. I am 5'9" and weight over 250 lbs and I fit comfy especially on long trips. the gas mileage is pretty good also.
They need to make servicing the vehicle yourself more easy. Other than that it is an ok car.