A roadster is an open two-seat car with emphasis on sporting appearance or character. Initially an American term for a two-seat car with no weather protection, its usage has spread internationally and has evolved to include two-seat convertibles.
2016 Mazda MX-5
1931 Ford Model A roadster
Early roadster competing for the Vanderbilt Cup
Ransom Olds' 1896/1897 "Pirate" racer was one of the first speedsters.
A convertible or cabriolet is a passenger car that can be driven with or without a roof in place. The methods of retracting and storing the roof vary among eras and manufacturers.
2006–2007 Mazda MX-5/Miata roadster
1951 Hudson convertible
2001 BMW M3 convertible
1897 Daimler Grafton Phaeton