I'll categorize them into my most beautiful by country.
Japan: Toyota 2000GT (Classic), Mazda 787B (Favorite Racecar) and Lexus LFA (Favoritest car in the universe)
UK: Jaguar XJ13 (Reminds me of the Mach 5) and Aston Martin One-77 (Freaking beautiful
)
MURICA MURICA MURICA: Chevrolet Corvette Stingray C7 (Very pretty Vette), SRT Viper GTS (Prettiest Viper so far), Chrysler Prowler (PD maek premium pls) and Shelby Cobra Daytona Coupe.
Italy (Tricky part): Alfa Romeo 8C Competizione (Brilliant looking car), Pagani Huayra (Steampunky and beautiful), Lancia Stratos and the Miura P400.
France: Bugatti Veyron 16.4, Citroen GT By Citroen, Alpine A110 1600S, Citroen 2CV
Germany: Mercedes SLS AMG, 300SL Coupe, Audi R8 5.2 FSI Quattro
Most beautiful of everything and everything:
Lexus LFA '10