Petrol engines
| Model Power | Displacement | Cylinder | Engine code | Camshaft drive system belt / chain |
|---|---|
| Citroën C6 3.0 V6 155 kW / 208 hp / 211 PS | 2946 cc | 6 | XFV (ES9A) / XFX (ES9J4S) | timing belt |
Diesel engines
| Model Power | Displacement | Cylinder | Engine code | Camshaft drive system belt / chain |
|---|---|
| Citroën C6 2.2 HDi 170 Biturbo FAP 125 kW / 168 hp / 170 PS | 2179 cc | 4 | 4HT (DW18BTED4) | timing belt |
| Citroën C6 2.7 V6 HDi 205 Biturbo FAP 150 kW / 201 hp / 204 PS | 2720 cc | 6 | DT17ED4 / UHZ (DT17BTED4) | timing belt |
| Citroën C6 3.0 V6 HDi 240 Biturbo FAP 177 kW / 237 hp / 240 PS | 2992 cc | 6 | DT20C | timing belt |
Related content: Citroën / List automotive manufacturer