• Audi TT (Germany)
• BMW Z3/Z4/Z8 (Germany)
• AMG (R230)
• 
  
• Cadillac Allante
  
• 
  
• Cadillac XLR (U.S.A.)
• Chevrolet Corvette (U.S.A.)
• Chrysler Crossfire (U.S.A.)
• Daihatsu Copen (Japan)
• DeLaChapelle Roadster (France)
• Fiat Barchetta (Italy)
• Honda S2000 (Japan)
• Lotus Elise (U.K.)
• Mazda Miata (Japan)
• Mercedes SLK (Germany)
• Mercedes-Benz SL65
• MG F/TF (U.K.)
• Morgan Roadster (U.K.)
• Nissan FairLady Z (Japan)
• Opel GT (Germany)
• Pontiac Solstice (U.S.A.)
• Panoz Esperante (U.S.A.)
• Porsche Boxster/911 Carrera S Cabriolet (Germany)
• Saturn Sky (U.S.A.)
• Smart Roadster/Roadster-Coupe (Germany)
• Tesla Roadster (U.S.A.)
• Toyota MR-S (Japan)
• Vauxhall Tigra TwinTop (U.K.)
• Venturi Fétish (Monaco)

• AC Ace, Cobra (England)
• Alfa Romeo Spider (Italy)
• Austin-Healey 100, 3000, Sprite (England)
• Deusenberg (USA)
• Fiat 124 Sport Spider, Dino Spider (Italy)
• Ferrari 275 GTS, 330 GTS (Italy)
• Jaguar E Type (England)
• Lotus Seven, Elan (England)
• Mercedes-Benz SL-Class: 300SL, 230/250/280 SL (Germany)
• MG MGA, MGB, MGC, T, M, P (England)
• Porsche 550 Spyder, 914 (Germany)
• Triumph Spitfire, TR4, TR250, TR6 (England)
• TVR 3000S (England)

quote:

by Wikipedia

Roadster is the North American term (spyder in England and a spider in Italy)
used for a 2-seater lightweight car without a permanent top.

http://en.wikipedia.org/wiki/Roadster