A3 Mk2
| Engine data |
| Code letters | BLS | BMM | |
| Capacity | ltr. | 1.896 | 1.968 |
| Power output | kW at rpm | 77/4000 | 103/4000 |
| Torque | Nm at rpm | 250/1900 | 320/1750 |
| Bore | Ø mm | 79.5 | 81.0 |
| Stroke | mm | 95.5 | 95.5 |
| Compression ratio | 18.5 | 18.5 | |
| CN | at least | 51 | 51 |
| Firing order | 1-3-4-2 | 1-3-4-2 | |
| Exhaust gas recirculation | yes | yes | |
| Turbocharging/supercharging | Turbocharger | Turbocharger | |
| Charge air cooling | yes | yes | |
| Particulate filter | yes | yes | |
| Valves per cylinder | 2 | 2 | |
