I tried the Miata, with the top up I have to contort my head to get in. Same as the new SLK. Same as the new Camaro. I like the new SL and can get in fine but too much money, even the used ones, I have to wait one or two more years before a used Sl will be in my price range.

I have not tried the Audi TT or Boxster with top up to see how easy it is to get in. With top down any of these are OK.

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2010 ML350 Bluetec
2012 Mustang Convertible