Cadillac unveils EV concept car, continues its convertible design

What Cadillac has proven The brand’s modern convertible might look like the one unveiled on Monday Sole Concept.

Cadillac describes the electric convertible as part of the brand’s “vision” to offer a convertible with a modern design, and it was unveiled at Cadillac’s home in Vanderbilt, where the similarly styled Celestiq is also built as part of the sprawling GM Global Technical Center in Warren, Michigan.

Cadillac hasn’t revealed the Sollei’s underlying architecture, but it’s likely GM’s Ultium battery and technology suite, which underpins all current Cadillac EVs, including the Celestiq. In addition to the styling and possible platform, the concept also borrows from Cadillac’s current EV lineup, with a 55-inch curved display that stretches across the dashboard, a feature that debuted on the Celestiq and also appears on the 2025 Escalade IQ and 2026 Escalade. Updated 2025 Escalade.

The rest of the cabin is made up of 2+2 Seatsand leather trim that matches the exterior color, in this case a hue known as “Manila Cream.” Cadillac used this hue on vehicles in the late 1950s. The wood panels used on the seat backs are meant to depict the sun’s rays. The “Sol” in Sollei also refers to the sun.

Cadillac also used the Sollei concept to show how Sustainable Materials One of them is a leather-like material made from mycelium, the underground structure of mushrooms and other fungi. It is used in the phone charging pad and some other areas of the dashboard.

Visually, the front and rear design of the Sollei concept car closely mirrors the Celestiq. The concept car also has a relatively short dashboard-to-axle ratio, so that when viewed from the side, the front third of the vehicle looks almost short.

Cadillac revealed Convertible concept Cadillac has built cars like this in the not-so-distant past, though they never went into production. What’s different this time is that Cadillac has set up a dedicated production line for the $340,000 Celestiq. The line is equipped with equipment designed for low-volume production, such as 3D printers, and will likely be used to produce the Sollei alongside the Celestiq.

The Sollei isn’t the only concept car Cadillac has unveiled this year. In March, the brand previewed the Opulent Velocity concept, which foreshadowed its potential for high-performance electric vehicles.

High-resolution gallery: Cadillac Sollei concept car

This article was originally published by ClassicCars.com’s editorial partner Motor Authority