1959 Maserati 3500 GT Spyder (Vignale prototype)
3.5L inline-six, detuned from the 350S sports-racing unit
Medium blue ('Blue Medio')
1968 Maserati Ghibli Spyder prototype
4.7L V8 dry-sump, 310 hp, Weber carburetors, with twin-spark-ready cylinder heads
Giallo (yellow)
1964 Porsche 901 Cabriolet prototype
2.0L air-cooled flat-six, SOHC, Solex carburettors, 130 bhp
Signal Red
1972 Porsche 911 Carrera RS 2.7 development prototype
2.7L flat-six with Bosch mechanical fuel injection, ~210 bhp (prototype unit)
Fluorescent yellow
1954 Porsche Type 597 Jagdwagen
1.5L air-cooled flat-four, four-speed manual, derived from 356 with reliability-focused tuning
Olive green
1957 Aston Martin DP114/2 prototype (DB Mark III successor development car)
Inline-six, essentially Mark III specification with modified hypoid differential and bespoke exhaust
Almond Green (previously white with blue roof)
1967 Maserati Mexico Frua Prototype (AM112 001)
4.2L V8 DOHC, four Weber 38 DCNL5 carburetors, ~255 bhp
Amaranto (dark red)
1975 Porsche 911 Turbo Carrera (Type 930) pre-production prototype
3.0L air-cooled flat-six, single turbo, Bosch K-Jetronic fuel injection, 234 bhp
Oak Green Metallic
1963 Maserati Mistral Coupé
3.5L DOHC inline-six, triple Weber 42DCOE carburettors, 235 bhp