Petrol engines
| Model Power | Displacement | Cylinder | Engine code | Camshaft drive system Timing belt or chain |
|---|---|
| Audi A8 2.8 128 kW / 172 hp / 174 PS | 2771 cc | 6 | AAH | timing belt |
| Audi A8 2.8 142 kW / 190 hp / 193 PS | 2771 cc | 6 | APR / ACK / ALG / AQD / AMX | timing belt |
| Audi A8 3.7 169 kW / 229 hp / 230 PS | 3697 cc | 8 | AKJ / AEW | timing belt |
| Audi A8 4.2 175 kW / 235 hp / 238 PS | 4172 cc | 8 | ARU / AVN | timing belt |
| Audi A8 3.7 191 kW / 256 hp / 260 PS | 3697 cc | 8 | AQG / AKC | timing belt |
| Audi A8 4.2 220 kW / 295 hp / 300 PS | 4172 cc | 8 | ABZ / AKG | timing belt |
| Audi A8 4.2 228 kW / 306 hp / 310 PS | 4172 cc | 8 | AUW / AQF | timing belt |
| Audi S8 250 kW / 335 hp / 340 PS | 4172 cc| 8 | AHC / AKH | timing belt |
| Audi S8 265 kW / 355 hp / 360 PS | 4172 cc | 8 | AQH / AVP | timing belt |
| Audi A8 6.0 W12 309 kW / 414 hp / 420 PS | 5998 cc | 12 | AZC | timing belt |
Diesel engines
| Model Power | Displacement | Cylinder | Engine code | Camshaft drive system Timing belt or chain |
|---|---|
| Audi A8 2.5 TDI 110 kW / 148 hp / 150 PS | 2496 cc | 6 | AKN / AFB | timing belt |
| Audi A8 2.5 TDI 132 kW / 177 hp / 180 PS| 2496 cc | 6 | AKE | timing belt |
| Audi A8 3.3 TDI 165 kW / 221 hp / 224 PS | 3328 cc | 8 | AKF | timing belt |
Related content: Audi A8 (all models) / Audi / All car maker