However, when it finally came time to introduce a more powerful Regal, Buick whiffed ... the regular Turbo. Thankfully, the GS can also be had with the new Haldex-based all-wheel drive setup ...

the GS model also allowed the Buick sedan to achieve highway fuel economy of 27 miles per gallon. From 2000 to 2004, Buick collaborated with fashion designer Joseph Abboud in producing a special ...