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 Avista concept made a surprising debut at the 2016 Detroit Auto Show. The 2+2 coupe with a sleek and sweeping profile serves as a contemporary grand tourer for the American automaker.