As much as you are willing to pay.
It is possible to customize your own Beetle convertible, preview it, and see how much this would cost. This can be on designer's website, Volkswagon. More specifically, this is the link directly to begin customizing your car.
The 2013 Volkswagen Beetle-Convertible's engine produces 177 ft-lbs. @ 4250 rpm.
The 2014 Volkswagen Beetle-Convertible's engine produces 177 ft-lbs. @ 4250 rpm.
it is easy
$1995.
About $1,650.
$1600
$9975.00
$2350.00
1500 dollars
17,000 at the highest
I believe 110,000