Dependable,mid-sized,4 door,RWD car

Looking for advice on a car for my slightly elderly mother to drive. Most be highly dependable, mid/economy sized, rear-wheel drive, 4 door, automatic,GM car or wagon, basic equpped, easy to work on. I know we may have to go for an older model. Does anyone have any suggestions of what we can look for??? :rolleyes:

Chevy Caprise Wagon like this: http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=6162&item=4526930211&rd=1

Thanks everybody. I've decided to go for a mid-80s Caprice V6.