The car's got a 289 V8 engine, vintage air conditioning, custom aluminum wheels -- that look just like the OGs -- and a custom grill, parchment pony interior, wood steering wheel, retro sound custom stereo and fold-down rear seat ... talk about a blast from the past!
Of course, another major selling point is its previous owner ... JL's got the car up for $42,500, and she doesn't really wanna part with it -- but she tells TMZ she needs the space for hay and animal food now that her goat, Elvis, is staying with her a few nights a week.
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Julia tells us she loved the idea of riding around South Beach with her wife, tennis legend Martina Navratilova, in the passenger seat ... but found she's more of a pickup truck girl instead.
Not only is she not getting enough miles out of it, but Lemigova says it's taking up space -- space she needs to store Elvis' hay and animal food since he's staying with the couple a few nights a week now ... he used to stay full-time at their farm but apparently he's more of a house goat now.