Buick Regal's Opel twin given an update
Buick Regal GS does double duty as Holden Commodore VXR, Opel Insignia GSi
The Buick Regal GS is a German sports sedan with a serious discount | The North State Journal
Auto Evolution: From American Stalwart to a Glorified Opel - The Buick Regal Story - autoevolution
2012 Buick Regal GS Review - An Opel In Disguise - YouTube
Opel did a great job on the 2018 Buick Regal - Autoblog
2008-2013 Buick Regal Opel/Vauxhall Insignia: From Mild to Nearly Wild | Autopolis
The Fifth-Gen Buick Regal GS Is a General Motors Rebadge Worth Revisiting
Buick Regal's Opel twin given an update
Rumormill: Opel Insignia/Buick Regal Coupe Known As “New Calibra” | GM Authority
2018 Buick Regal RS revealed, previews next Commodore 'SS'? – PerformanceDrive
Buick Regal - Wikipedia
Why Saving Opel Is a Good Idea: Buick Regal GS | Plastics Technology
New Buick Regal GS: GM Rebadges Opel Insignia OPC But Replaces 325HP V6 Biturbo with 255HP 2.0-liter Four-Pot | Carscoops
Opel Insignia OPC goes 'Unlimited', Continues to One-Up Buick Regal GS
This Is The Sexy Buick Wagon We Never Deserved | CarBuzz
New Buick Regal GS: GM Rebadges Opel Insignia OPC But Replaces 325HP V6 Biturbo with 255HP 2.0-liter Four-Pot | Carscoops
2014 Buick Regal GS First Drive | Autobytel
Buick to Replace Regal Sedan With its First Wagon in Over Two Decades | The Truth About Cars
Rebadging Done Right: 2018 Buick Regal | CarBuzz
This Is The Sexy Buick Wagon We Never Deserved | CarBuzz
New Opel Insignia Grand Sport Dresses Up As A Buick Regal | Carscoops
2015 Buick Regal GS AWD (Opel Insignia) Start Up, Road Test, and In Depth Review - YouTube
This Rad Buick Regal GS Wagon Lookalike Won't Be Available in the U.S.
