Buick Regal GS does double duty as Holden Commodore VXR, Opel Insignia GSi Email This Page Your email was sent successfully. Close Follow Viknesh [% } %] [% }); %] ]]> Buick on Wednesday unveiled a new Regal GS for North America, but elsewhere the car will be badged a Holden Commodore VXR or Opel Insignia GSi or Vauxhall Insignia GSi. The Commodore VXR will serve as the performance flagship for the latest Commodore which is essentially a rebadged Buick Regal sold by Holden in Australia and New Zealand. The Commodore VXR has big shoes to fill as it replaces the previous-generation Commodore SS which is sold here as the Chevrolet SS and comes with a 6.2-liter V-8, standard 6-speed manual, and rear-wheel drive. Yep, it’s certainly a sad day for performance fans in Australia. However,