Buick Regal's Opel twin given an update

The Opel Insignia is sold in the United States as the Buick Regal but we won't see the updated model as the Regal will soon be dropped.

2020 Buick Regal Prices, Reviews, and Photos - MotorTrend

Buick gets attitude with Regal GS

Buick Regal wagon spotted testing in U.S., Germany

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Buick Regal's Opel twin given an update

New Buick Regal GS: GM Rebadges Opel Insignia OPC But Replaces 325HP V6 Biturbo with 255HP 2.0-liter Four-Pot

Custom Buick Regal GS TourX Is The Wagon We Should Have Got

This Opel Is the Buick Regal Wagon We Can't Wait to See Here – News – Car and Driver

GM Exec Confirms Sporty Buick Regal GS Gets Green Light for Production

Next Buick Regal Previewed by Camo-Less Opel Insignia Sedan, Wagon