Not realistic, but its Christmas so I'm dreaming...
Some to put on plinths and polish....
Maserati 350S
Jaguar C Type
Jaguar E Type 4.2 S1
Aston Martin DB2 DHC
Aston Martin DB4 GT Zagota
Aston Martin DB5
Lamborghini Countach LP500 QV
Lamborghini Miura P400 SV
McLaren F1
Ferrari 250 GTO
Ferrari 250 GT California
Ferrari 246 GT
Mercedes Benz 300 SL Gullwing
Porsche 959
Porsche 356 Spyder
Ford GT40
and some to play with...
Lamborghini aventador LP700-4
Bugatti Veyron
Pagani Zonda R
Koenigsegg Trevita
Ferrari 458 Challenge
Ferrari F40
Ferrari 288 GTO
Ferrari FFX
Ferrari Enzo
And for donkey work...
Audi RS6 Avant
Range Rover Holland and Holland
Now I've burnt a hole in £100 million I'd best get back to work....