Unlike the S3, the U3 has a narrow front and a 5 degree narrower leg support angle, which gives a slightly more active driving position. The Panthera U3 is a light, adjustable manual wheelchair that provides an experience of safety in an ergonomically optimal driving position.
| The following specifications may only comply to some variants. |
| Balance point adjustable |
| Back rest angle adjustable |
| Push handles |
| Intended for fastening in a car |
| User weight, max: | 100 - 150 | kg |
| Seat height, min: | 40 | cm |
| Seat height, max: | 54.5 | cm |
| Back rest height, min: | 20 | cm |
| Back rest height, max: | 45 | cm |
| Total width: | 54 - 66 | cm |
| Total length: | 84 | cm |
| Weight: | 4.5 - 5 | kg |
| Seat width: | 33 - 45 | cm |
| Seat depth: | 40 | cm |
