I came across this on the web. Don't know the accuracy but it is interesting:
I did not know, though, that Rolls Royce and Bentley were owned by separate companies.
did YOU know...
BMW owns: BMW, Mini, and Rolls Royce
Fiat owns: Alfa Romeo, Ferrari, Fiat, Lancia, Maserati; Chrysler, Dodge, Jeep–20-percent stake
Ford Motor Company owns: Ford, Lincoln, Mercury, Volvo (for now), and still owns 13.4 percent of Mazda
General Motors owns: Buick, Cadillac, Chevrolet, GMC. Also owns a controlling interest in Daewoo, as well as Opel and Vauxhall in Europe and Holden in Australia. (Pontiac to be discontinued)
Honda owns: Honda, Acura
Hyundai owns: Hyundai, Kia
Tata Motors (India) owns: Jaguar and Land Rover
Mazda (partially owned by Ford)
Mitsubishi
Daimler AG owns: Mercedes-Benz and Smart
Nissan owns: Nissan and Infiniti (Nissan is owned by Renault--France)
Porsche owns: Porsche and a majority share in Volkswagen
Subaru (A controlling interest of Subaru is owned by Toyota)
Suzuki
Toyota Motor Company owns: Lexus, Toyota, Scion, Daihatsu and Hino Motors, with a stake in Fuji Industries (Subaru's parent company) and Isuzu
Volkswagen owns: Audi, Volkswagen, Bentley, Bugatti, Lamborghini, and overseas SEAT and Skoda.
In formal negotiations to be sold:
Hummer: Tengzhong (China)
Saturn: Penske Automotive Group
Saab: Koenigsegg (Sweden)