The voting has been closed for a while now and the winners have been announced last friday:
1920s Bentley Speed 6
1930s Alfa Romeo 8C
1940s Ferrari 166MM
1950s Jaguar D-type
1960s Ford GT40
1970s Porsche 917K
1980s Porsche 956
1990s Mazda 787B + Peugeot 905
2000s Audi R10 TDI
2010s Audi R18 e-tron quattro
Also their website got a make-over recently, so a lot of the old stuff must have been binned.
Edited to add new website:
http://www.24h-lemans.com/