and , both under the General Motors banner, have been sharing parts and technology for decades. The Cadillac XLR was a badge-engineered sixth-generation Chevy Corvette and the Cadillac CTS, and others have also borrowed engines from America's sports car. The pattern continues in the latest concept design presented by a General Motors brand.

It features technology that would be just as "at home" in a Corvette as the concept car. Cadillac debuted its new design concept study during in California. The Opulent Velocity, a wedge of an electric grand touring car features two doors that open butterfly-style and a length that evokes the longest Cadillacs of the past and Corvettes of today.

"What we're really looking to do is achieve the best of both worlds with the ultimate hyper performance machine in the future, coupled with ultimate luxury. So it's really this balance between this opulent side and this velocity side, the team came up with this name, and it really helps articulate those particular modes," Brian Nesbitt, Cadillac executive director of global Cadillac design told journalists at an event near Detroit ahead of the debut. The all-electric Opulent Velocity would benefit from GM's hands-free driving software but updated to an advanced Level 4 system for one of its two multisensory modes, each created for different driving (or riding along) situations.

"So if we think about Opulent as a mode, this is where you can use your time in different ways. If you're stuck in traffic.