1964 Buick Electra 225 Convertible on 2040-cars

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Next Buick Regal coming in 2017, could be imported from Germany

The Buick Regal is based on the Opel/Vauxhall Insignia, a pair of sedans from General Motors' European and British outfits. In fact, over 46,000 Regals from model years 2010 and 2011 were screwed together on the same lines as the Insignia twins, before GM's Oshawa, Ontario factory took over production fully. Considering this closeness, rumors that claim the next-generation Regal - due for 2017 - could move back to Europe aren't terribly surprising. Here's why, according to Automotive News.
Oshawa is home to three other vehicles, aside from the Regal - the Chevrolet Camaro, Impala rental queen and the Cadillac XTS. We already know next-gen Camaro production is headed to Lansing, MI, and that the fleet-only Impala will (finally!) die in 2016. As for the XTS, as AN explains it, sales are so slow that GM will either kill it or just shuffle its production volume elsewhere.
Taken along with the fact that Unifor, the Canadian labor union repping workers at the Oshawa factory, claim GM hasn't made any guarantees about future production at the nearly 60-year-old factory, it seems fairly clear that the Regal's current factory is going to be put out to pasture.

2013 Buick Verano Turbo vs. 2013 Acura ILX 2.4

Answering The $30,000 Entry-Level Luxury Question
Twenty years ago, a comparison between an entry-level Buick and Acura would have matched a Skylark against an Integra.
Twenty years ago, a comparison between an entry-level Buick and its Acura equivalent would have matched a Skylark against an Integra. The unfair battle would have resulted in the compact American's defeat in nearly every measurable category, as the Japanese competitor was arguably at the height of its powers.

Buick mulling more powerful Encore; diesel too

Looking to set itself apart in the mid-luxury segment, Buick is looking to introduce a diesel engine somewhere in its US lineup. And according to Edmunds, the two best chances of a diesel Buick rest with the Encore and Verano.
In both our First Drive and Review of the 2013 Encore, our chief complaint about the compact crossover was the the lack of power from the 138-horsepower turbo engine. Edmunds says that the recently introduced 1.6-liter four-cylinder engine (with both gas and diesel variants) from the Encore's overseas cousin, the Opel Mokka, could make its way into the Encore delivering the much-needed boost in power.
Then there's the Verano. As a close relative to the Chevy Cruze, which just added a diesel engine for 2014, the article speculates that a Verano Diesel might actually be the more "probably candidate" if and when Buick decides to add a diesel model to its portfolio. Either way, offering such an engine in one of its products could be a great way for Buick to differentiate itself from Cadillac and possibly even attract buyers from Volkswagen, Audi and Mercedes-Benz looking for a luxurious, fuel-efficient vehicle.