De forfour van het Duitse Smart is een 5-deurs hatchback en is leverbaar sinds 2004. Alleen leverbaar als 0,9 tot 1,0-liter benzine. De meest betaalbare forfour is te koop vanaf €13.289. Voor het topmodel betaalt u €25.155.
| Type | Motor | Transmissie | Inhoud |
| Pure | benzine | handm. 5 | 0.9 liter |
| Passion | benzine | handm. 5 | 0.9 liter |
| Perfect | benzine | handm. 5 | 0.9 liter |
| Prime | benzine | handm. 5 | 0.9 liter |
| Proxy | benzine | handm. 5 | 0.9 liter |
| Edition 1 | benzine | handm. 5 | 0.9 liter |
| forfour | benzine | handm. 5 | 1.0 liter |
| Pure | benzine | handm. 5 | 1.0 liter |
| Essential Edition | benzine | handm. 5 | 1.0 liter |
| Passion | benzine | handm. 5 | 1.0 liter |
| Business Solution | benzine | handm. 5 | 1.0 liter |
| Perfect | benzine | handm. 5 | 1.0 liter |
| Prime | benzine | handm. 5 | 1.0 liter |
| Joy Edition | benzine | handm. 5 | 1.0 liter |
| Proxy | benzine | handm. 5 | 1.0 liter |
| Edition 1 | benzine | handm. 5 | 1.0 liter |
| Business Solution Plus | benzine | handm. 5 | 1.0 liter |
| Pure | benzine | automaat 6 | 0.9 liter |
| Passion | benzine | automaat 6 | 0.9 liter |
| Perfect | benzine | automaat 6 | 0.9 liter |
| Prime | benzine | automaat 6 | 0.9 liter |
| Proxy | benzine | automaat 6 | 0.9 liter |
| BRABUS | benzine | automaat 6 | 0.9 liter |
| BRABUS Xclusive | benzine | automaat 6 | 0.9 liter |
| Pure | benzine | automaat 6 | 1.0 liter |
| Passion | benzine | automaat 6 | 1.0 liter |
| Business Solution | benzine | automaat 6 | 1.0 liter |
| Perfect | benzine | automaat 6 | 1.0 liter |
| Prime | benzine | automaat 6 | 1.0 liter |
| Proxy | benzine | automaat 6 | 1.0 liter |
| Business Solution Plus | benzine | automaat 6 | 1.0 liter |
| electric drive Business Solution | elektromotor | elektrisch | liter |
| electric drive | elektromotor | elektrisch | liter |
| electric drive Business Solution Plus | elektromotor | elektrisch | liter |
| Type | Motor | Transmissie | Inhoud |
| 1.0 | benzine | handm. 5 | 1.1 liter |
| 1.0 pure | benzine | handm. 5 | 1.1 liter |
| 1.1 pure | benzine | handm. 5 | 1.1 liter |
| 1.1 pulse | benzine | handm. 5 | 1.1 liter |
| 1.1 blackbasic | benzine | handm. 5 | 1.1 liter |
| 1.1 passion | benzine | handm. 5 | 1.1 liter |
| 1.3 pure | benzine | handm. 5 | 1.3 liter |
| 1.3 pulse | benzine | handm. 5 | 1.3 liter |
| 1.3 passion | benzine | handm. 5 | 1.3 liter |
| 1.5 Brabus | benzine | handm. 5 | 1.5 liter |
| 1.5 pulse | benzine | handm. 5 | 1.5 liter |
| 1.5 passion | benzine | handm. 5 | 1.5 liter |
| 1.5 sportstyle | benzine | handm. 5 | 1.5 liter |
| 1.1 pure | benzine | semi-automaat 5 | 1.1 liter |
| 1.1 pulse | benzine | semi-automaat 5 | 1.1 liter |
| 1.1 passion | benzine | semi-automaat 5 | 1.1 liter |
| 1.3 pure | benzine | semi-automaat 6 | 1.3 liter |
| 1.3 pulse | benzine | semi-automaat 6 | 1.3 liter |
| 1.3 passion | benzine | semi-automaat 6 | 1.3 liter |
| 1.5 pulse | benzine | semi-automaat 6 | 1.5 liter |
| 1.5 passion | benzine | semi-automaat 6 | 1.5 liter |
| 1.5 sportstyle | benzine | semi-automaat 6 | 1.5 liter |
| 1.5 cdi blackbasic | diesel | handm. 5 | 1.5 liter |
| 1.5 cdi pure | diesel | handm. 5 | 1.5 liter |
| 1.5 cdi pulse | diesel | handm. 5 | 1.5 liter |
| 1.5 cdi passion | diesel | handm. 5 | 1.5 liter |
| 1.5 cdi pure | diesel | handm. 5 | 1.5 liter |
| 1.5 cdi pulse | diesel | handm. 5 | 1.5 liter |
| 1.5 cdi passion | diesel | handm. 5 | 1.5 liter |
| 1.5 cdi pure | diesel | semi-automaat 6 | 1.5 liter |
| 1.5 cdi pulse | diesel | semi-automaat 6 | 1.5 liter |
| 1.5 cdi passion | diesel | semi-automaat 6 | 1.5 liter |
| 1.5 cdi pure | diesel | semi-automaat 6 | 1.5 liter |
| 1.5 cdi pulse | diesel | semi-automaat 6 | 1.5 liter |
| 1.5 cdi passion | diesel | semi-automaat 6 | 1.5 liter |