The BMW Z3 roadster and coupe models were based on the E36 platform. A coupe version of the Shelby Cobra roadster was introduced the following year. Aston Martin unveiled a convertible version called the V12 Vantage Roadster in 2013. Aston Martin also launched a convertible version in 2014 called the V12 Vantage S Roadster. The Z3 was the first modern mass-market roadster produced by BMW. It was the only Mercedes roadster during its entire production. California return the car to its original Bertone Roadster form. AMG version of the roadster will follow. This new design language spread from the original CTS and to the Cadillac XLR roadster. Similarly, Abarth developed high performance versions of Fiats 124 roadster and 131 saloon. The T-5 prototype was a two-seat, mid-mounted engine roadster. The Roadster is the successor to Tesla's first production car, which was the 2008 Roadster. Pagani releases the new Pagani Huayra BC Roadster. The car accelerates from in 3.7 seconds, compared to 3.9 seconds for the standard Roadster. The GT12 roadster weighs less than the V12 Vantage S roadster.