Current major German Car manufacturers

 Audi

(1909-1939; 1965-present)• 50 • 72/75 • 80/90/S2/RS2 • 100/200/5000/S4 • 4000CS quattro • A2 • A3/S3 • A4/S4/RS4 • A5/S5/ RS5 • A6/S6/RS6 • A8/S8 • • Q5/S9 • Q7 • Quattro/Coupé GT • R8 • TT/TTS • V8

 BMW

(1916-present)• 1 Series • 3 Series/M3 • 5 Series/M5 • 6 Series/M6 • 7 Series • 8 Series • 303 • 315 • 319 • 321 • 326 • 327 • 328 • 329 • 335 • 340 • 501/502 • 503 • 507 • 600 • 700 • 1500/1600/1800/2000/2002 • 2500/2800/3.0S/3.0Si/3.3Li • 3200 CS • Isetta • M1 • X3 • X5 • X6 • Z1 • Z3 • Z4 • Z8

 Mercedes-Benz

(1926-present)• A-Class • B-Class • C-Class • CL-Class • CLC-Class • CLK-Class/CLK-GTR • CLS-Class • E-Class • G-Class • GL-Class • GLK-Class • M-Class/ML-Class • R-Class • S-Class • SL-Class • SLK-Class • SLR-McLaren • SLS • V-Class

 Opel

(1898-present)• Agila • Ascona • Astra • Antara • Calibra • Combo • Commodore • Corsa • Diplomat • GT • Insignia • Kadett • Manta • Meriva • Monza • Omega • Rekord • Senator • Signum • Speedster • Tigra • Vectra • Zafira

Porsche

(1931-present)• 356 • 911/912/930 • 914 • 924 • 928 • 944 • 959 • 968 • Boxster • Carrera GT • Cayenne • Cayman • Panamera

 Volkswagen

(1937-present)• 181/Thing • Amarok • Beetle • Caddy • Corrado • Dasher • Eos • Fox • Golf/Rabbit/Caribe • Golf Plus • Jetta/Bora/Vento • Karmann Ghia • Lupo • New Beetle • Passat/Quantum • Phaeton • Polo • Scirocco • Sharan • Tiguan • Touareg • Touran • Transporter/Caravelle/Microbus/Vanagon/Eurovan • Type 3 • Type 4 • Routan • Gol/Saveiro/Parati/fox/crosfoc/sácefox • Volkswagen SP2

Sources : http://en.wikipedia.org/wiki/List_of_German_cars