Some cars fly off dealers' lots and some, well, linger. Using data from Kelley Blue Book, 24/7 Wall St looked at which cars sat the longest at dealerships before selling in 2016. The worst performers, along with the average number of days the models hung around: 
 -  Fiat 500L, 174.6 days
-  Honda CR-Z, 168.4 days
-  Fiat 500, 166.2 days
-  Dodge Dart, 150.7 days
-  Chrysler 200, 150.5 days
-  Buick Verano, 150.3 days
-  Fiat 500X, 146 days
-  Kia Cadenza, 137.6 days
-  Dodge Journey, 133.1 days
-  Cadillac XTS, 131.8
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