2020 Buick Regal Sportback (United States)
2020 Buick Regal Sportback (United States)
Photo credit: AJM STUDIOS, CC BY-SA 2.0
Generation selection
Generation 1
(1973 - 1977)
Generation 2
(1978 - 1987)
Generation 3
(1988 - 1996)
Generation 4
(1997 - 2004)
Generation 5
(2004 - 2008)
Generation 5 [redesign]
(2015 - 2017)
Generation 6
(2017 - 2020)
Series selection
The Vauxhall Insignia, Opel Insignia, Buick Regal, and Holden Commodore belong to the same family of mid-size to full-size sedans developed under General Motors, sharing common platforms, engineering solutions, and core mechanical components. These vehicles were marketed under different brands worldwide to suit regional preferences in styling, brand identity, and market positioning.

The Opel and Vauxhall Insignia form the European foundation of the model, while the Buick Regal serves as its North American and Asian counterpart, typically emphasizing comfort and refinement. In its later generations, the Holden Commodore became a rebadged version of the Insignia, replacing the traditionally Australian-developed Commodore with a global GM product.

Despite their different names and market-specific tuning, all these models follow the same philosophy: delivering spacious, comfortable, and versatile sedans or wagons, suitable for daily driving and long-distance travel, with a wide range of gasoline, diesel, and performance-oriented powertrains depending on the market.
The Buick Regal is a mid-size sedan primarily sold in North America and China, based on the Opel Insignia platform. Introduced in 2011, it adapts European engineering to Buick’s comfort-oriented philosophy, with a focus on refinement and smooth driving.

Offered as a sedan or Sportback depending on the generation, the Regal features gasoline engines, higher comfort levels, and upscale interior finishes. Positioned as an affordable premium sedan, it combines European handling with American expectations for comfort and equipment.
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