23. Mercedes SLS AMG Roadster

Base Price: $183,000
Road-trip-friendly Features: Engine noise, comfort, Stirling Moss fantasies
Mpg (city/highway): 14/20
Number Of Cup Holders: 2
Cubic Feet Of Cargo Capacity: 6.1
Complex Says: The SLS AMG is cool, but the roadster is just so much cooler. It's nice on a track, but it wants to eat up highway miles in style.