Buick unveils a future flagship (pictures)

Buick's latest concept is the Avenir, debuting today at the 2015 Detroit auto show.

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Avenir is means "future" in the French language. The concept, in fact, a preview of a future flagship for the Buick brand.

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The elongated sedan is powered by a next-generation direct-injected V-6 engine with cylinder deactivation and stop/start technology.

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Power flows first through a 9-speed automatic transmission before reaching the road via a twin-clutch all-wheel drive system.

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The tapered rear end reminds me quite a bit of a previous Buick flagship: the Riviera.

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21-inch wheels are kept stuck to the ground thanks to a driver-selectable adaptive suspension.

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Look closely and you'll see that the Avenir concept heralds the return of the red, white, and blue colors to the Buick shield.

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All of the Avenir's exterior lighting is powered by efficient LED technology.

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Inside the concept features a 12-inch version of Buick's IntelliLink infotainment with OnStar 4G LTE telematics and wireless smartphone charging.

Be sure to check out the rest of CNET's coverage of the 2015 Detroit auto show.

Be sure to check out the rest of CNET's coverage of the 2015 Detroit auto show.