The Zoe Cab is an autonomous prototype that will be used in a self-driving trial project.
Among the concepts are three Golfs, a Tiguan and a stylish Jetta GLI.
While the Destination Frontier is a one-off, Nissan says fans could build their own for around $40,000.
The Honda Passport and Ridgeline Adventure Lifestyle Projects are modified for off-grid adventures in the great outdoors.
The Renault EZ-Pod can be used to autonomously transport both people and goods in restricted areas.
The three companies will work together on the N mid-engined sports car and a high-performance fuel cell.
The 19_19 Concept by Citroen will be revealed as a world premiere at the VivaTech Event in Paris on May 16.
The EQV previews the battery electric V-Class that will be unveiled at the Frankfurt Motor Show.
The El-Born and Minimo concepts have taken center stage, alongside the Cupra e-Racer and Formentor.
This Honda Amaze used to be a pretty unremarkable car until it became a Nissan IDx Nismo clone.
The Infiniti A-RT Concept was envisioned with a premium cabin and an electric power train.
After the Barcelona Motor Show debut, the Lexus LC 500h Matte Prototype could morph into a limited edition model.