Audi was founded in Zwickau, Germany on July 16 1909 and is now headquartered in Ingolstadt.
They are owned by Volkswagen (since 1964).

Cars manufactured by Audi:
100, 100 C4 Series, 100 V6, 200, 4000, 5000, 80 Cabriolet, 90, A3, A4, A4 Cabriolet, A6, A8, Allroad, Cabriolet, Compact, Coupe, Coupe 20V, Fox, Q7, Quattro, R8, RS 4, RS 6, S4, S4 Cabriolet, S6, S8, TT, TT Roadster, and V8.

Gasoline engines from Audi:

• 1.4 litre turbocharged 4 cylinder 125 bhp
• 1.6 litre 4 cylinder 115 bhp
• 1.8 litre turbocharged 4 cylinder 120 bhp
• 2.0 litre 4 cylinder 150 bhp
• 2.0 litre turbocharged 4 cylinder 170 bhp
• 2.5 litre turbocharged 5 cylinder 335 bhp
• 3.0 litre supercharged v6 300 bhp
• 3.2 litre V6 265 bhp
• 4.2 litre V8 350 bhp
• 4.2 litre V8 414 bhp
• 5.2 litre V10 435 bhp
• 5.2 litre V10 525 bhp
• 5.0 litre biturbo V10 573 bhp
• 6.0 litre W12 331 kW

Other Audi engines:

• 1.4 4 cylinder 75 bhp
• 1.4 litre TDI 3 cylinder 75 bhp
• 1.6 litre 4 cylinder 100 bhp
• 1.6 litre TDI 4 cylinder 90 bhp
• 1.9 litre TDI 4 cylinder 90 bhp
• 2.0 litre 4 cylinder 130 bhp
• 2.0 litre TDI 4 cylinder 120 bhp
• 2.5 litre TDI V6 150 bhp
• 2.7 litre TDI V6 180 bhp
• 3.0 litre TDI V6 233 bhp
• 4.2 litre TDI V8 326 bhp
• 6.0 litre TDI V12 500 bhp