As of 2022, here are the Fastest German Cars ever produced:
Audi – R8 V10 with 0-60 in 2.8 seconds and 205 mph top speed
BMW – M5 CS with 0-60 in 2.8 seconds and 190 mph top speed with the limiter removed
Bentley (VAG) – Continental Supersports with 0-60 in 3.4 seconds and 209 mph top speed
Bugatti (VAG) – Chiron with 0-60 in 2.3 seconds and 261 mph top speed
Lamborghini (VAG) – Veneno with 0-60 in 2.9 seconds and 221 mph top speed
Mercedes-Benz – SLR Stirling Moss with 0-60 in 3.3 and 217 mph top speed
Porsche – 918 with 0-60 in 2.2 seconds and 218 mph top speed (picture from topgear.com)
Volkswagen – Golf R with 0-60 in 4.7 and 160 mph top speed. They did however produce some of the above!