Germany: 196? Mercedes Benz C111 test cars. I had an orange Corgi car of this when I was a kid. Wish I still had it.
France: 1970 Renault R8 Gordini. I got to drive one of these as a kid in the bay area. Sybir would like due to it's power to weight ratio. some/0 = infinity... And yes, you could get them in any color as long as it was light-medium blue.
UK: 1977 Lotus Esprit "Q" edition. Again, i had a Corgi of this one at some point with working missle launchers...
US: 1981 De lorean Motor Company DMC-12
Japan: 1995 Mitsubishi 300GT VR-4 Spyder. The first ever production 320HP AWD, AWS Folding hard top car.