I presume this is the Four Star 60 you are talking about. Yes the wing is removeable. It's attached by wing bolts to the fuselage. It's a one piece wing that's 71"span. Thats 6' 11" I suppose if you have a small car then it might be a big wing, but I can put a 4 meter span scale glider in a VW golf so I think you should manage the 4*60. I never heard of an american with a small car yet

Here's a tip, Make a bag for the wing out of Bubble wrap and then you won't damage it when your loading up the car.

slán