it is easy
The cost of a new convertible is a very large range of price. The price depends on the manufacturer of the car you are looking at to have many seats in the car. A new convertible can be as low as $20,000 to over $40,000.
Probably a couple of grand. Ask car shops near you.
"A caddilac convertible cost between 38,000-48,000. The reason is that they different features like gas saver, bluetooth, if its a used car, etc. You could find one for cheaper if it has a lot of miles on it."
Depends on what make & model you are asking about. Price varies from just shy of $30,000 to the hundreds of thousands of dollars.
Around $91,000 for the convertible
A new Chevrolet Convertible model 2013 costs about $59,600. This price is listed on Chevrolet official site. A used Chevrolet Convertible model 2013 would cost around $30,000. Therefore, a new car would cost around $29,600 more than a used one.
To install them it would be about $1000.00 to $1500.00 but your car would be bout $1300.00....
There are custom body shops out there that do that kind of work but you could buy 6 good used convertible cars for what it would cost you to have yours custom made.
Around $91,000 for the convertible
The car is a Ferrari 360 Spider, a convertible version of the Ferrari 360 Modena produced between 1999 and 2005. When new this Ferrari cost $225,000.
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.
A convertible.