Each is equipped with a 181-horsepower four-cylinder engine, rear-wheel drive, and either a six-speed manual or six-speed automatic transmission. Additionally, each comes standard with a manually operated soft top. The two upper trims are also available with a power-retractable hardtop (also known as Miata RF, or “retractable fastback”). Easy Storage: A soft top can be folded and stored easily in small spaces. Hardtops can take up a lot of space in your garage, finding room to store a soft top is largely an afterthought The soft top model ran from zero to 60 mph in just 5.7 seconds in our testing; the slightly heavier hardtop RF model needed 5.8. Miatas ride firmly and can get bouncy when driving over a quick See pricing history. We have a limited number of reviews for the 2021 MX-5 Miata, so we've included reviews for other years of the MX-5 Miata since its last redesign. appearance. driving Convertible top speed Base price ; Best convertible overall: 2022 Mazda MX-5 Miata: 3 seconds soft top; 13 seconds hard top: $28,665 : Best convertible for the money: 2022 Chevrolet Corvette The local convertible shop quoted me a price of roughly $1600. That's $600 for 6 hours of labor and $1000 for a vinyl robbins top with a plastic rear window. Tax in my area would ad around $150 to that total. Glass window or zipper adds a bit as well, same for a fabric/canvas top. They said I could bring in a top and they'd install it, but The hard top increases chassis rigidity and reduces aerodynamic drag for better performance. The car is quieter and more comfortable on the highway with the hard top on. The OE top's large window reduces blind spots. The hard top has a rear defroster and is more insulated for winter use. While the soft-top Club versions are preferred among weekend track warriors, the Miata RF (for "retractable fastback") is a compelling option for buyers who prefer the added security and sound well, either the top isn't sitting right, or you need to do some adjustment. Those chromed bars which hold your soft top rubber can be loosened up and moved closer towards the outside of the car. Also, if it's an NA and the window guides are broken, the window might not be rolling up to it's proper place. dzoa.