Consumer Reports engineers find the new BMW 3 Series is great to drive, but its surveys show some older models aren't aging well.
For example, the BMW 335i from 2007 through 2010 tends to have fuel pump and fuel injection troubles.
And there are other popular used cars that can wind up in the shop. Consumer Reports' reliability information on nearly 250 models identifies the most likely problems.
Jon Linkov with Consumer Reports found, "Car problems don't happen randomly. From the millions of car problems our subscribers report each year, we identify key trouble areas."
For instance, the Ford Focus -model years 2003 through 2006 -shows problems with the alternator, ignition switch, and battery.
And owners of Dodge Grand Caravans from 2003 through 2006 complain about the power steering, tie rods, water pump, and air conditioning.
Jon says, "Even Toyota and Honda, which tend to be the more reliable, have model years that are trouble-prone."
The V6 Honda Accords from 2003 and 2004 have a high rate of transmission failure. And many Accords from 2008 through 2010 experience brake problems.
And the 4-cylinder Toyota Camry from 2008 suffers excessive brake wear.
Jon adds, "Of the 17 trouble spots we look at, brakes are the biggest problem with used cars beyond normal wear and tear. Brakes are definitely something you should check carefully before you buy."
And whatever used car you're considering, Consumer Reports says always get it checked by an independent mechanic.