Here's his full list (not in order of preference)
Porsche Carrera GT
Ascari A10
Lamborghini Gallardo Spyder
Mercedes-Benz SLR McLaren
Audi R8
Ariel Atom 2
BMW M5
Mercedes-Benz CLS 55 AMG
Noble M12 GTO-3R
Ferrari 275 GTS (1964)
Aston Martin DB9 coupe
Bentley Arnage R
Rolls Royce Phantom Drophead coupe
VW Phaeton 6.0 W12 4Motion LWB
BMW 135i M Sport coupe
Alfa Romeo Brera V6 coupe
Mazda MX-5 1.8i
Mazda RX-8
Volkswagen Golf R32
Citroen C4 VTS coupe
Fiat Bravo 1.4 TJet 150 Sport
Mazda CX-7
Mazda 6 MPS
Ref: Jeremy Clarkson's greatest hits
Interestingly, four Mazda's in the top 25 Maybe take a copy in to the guy who said the Mazda was a cheap Ford