Buick’s new Avista concept is great looking, and it looks even better without a fixed roof. These renderings of the Avista Convertible show off what the car would look like if it lost its roof.

The new Cascada convertible and redesigned LaCrosse also are joining Buick's lineup this year. While the Avista is doable, the brand clearly has other priorities ahead of it.

Buick revealed the 2+2 Avista sports coupe Sunday night before the Detroit Auto Show. It runs a twin-turbo V6 with 400 hp and uses rear-wheel drive. The Avista is a 2+2 sports coupe running a twin ...

The Buick Avenir and Avista concepts may be the most exciting thing the brand has debuted in recent years, but neither will likely head to production. The Buick Avista concept bowed at the 2016 ...