| A3 2.0 TDI 16VHatchback | 2003 – 2012 | 2.0L BKD | 140 hp (103 kW) | Diesel | Front-Wheel Drive |
| A3 2.0 TDI 16VHatchback | 2003 – 2012 | 2.0L CBAB | 140 hp (103 kW) | Diesel | Front-Wheel Drive |
| A3 2.0 TDI 16VHatchback | 2003 – 2012 | 2.0L CLJA | 140 hp (103 kW) | Diesel | Front-Wheel Drive |
| A3 2.0 TDI 16VHatchback | 2003 – 2012 | 2.0L CFFB | 140 hp (103 kW) | Diesel | Front-Wheel Drive |
| A3 2.0 TDI 16VHatchback | 2003 – 2012 | 2.0L CBEA | 140 hp (103 kW) | Diesel | Front-Wheel Drive |
| A3 3.2 V6 quattroHatchback | 2003 – 2009 | 3.2L BDB | 250 hp (184 kW) | Petrol | All-wheel Drive |
| A3 3.2 V6 quattroHatchback | 2003 – 2009 | 3.2L BMJ | 250 hp (184 kW) | Petrol | All-wheel Drive |
| A3 3.2 V6 quattroHatchback | 2003 – 2009 | 3.2L BUB | 250 hp (184 kW) | Petrol | All-wheel Drive |
| A3 Sportback 3.2 V6 quattroHatchback | 2004 – 2009 | 3.2L | 250 hp (184 kW) | Petrol | All-wheel Drive |
| A3 Sportback 2.0 TDI 16VHatchback | 2004 – 2013 | 2.0L BKD | 140 hp (103 kW) | Diesel | Front-Wheel Drive |
| A3 Sportback 2.0 TDI 16VHatchback | 2004 – 2013 | 2.0L CBAB | 140 hp (103 kW) | Diesel | Front-Wheel Drive |
| A3 Sportback 2.0 TDI 16VHatchback | 2004 – 2013 | 2.0L CLJA | 140 hp (103 kW) | Diesel | Front-Wheel Drive |
| A3 Sportback 2.0 TDI 16VHatchback | 2004 – 2013 | 2.0L CFFB | 140 hp (103 kW) | Diesel | Front-Wheel Drive |
| A3 Sportback 2.0 TDI 16VHatchback | 2004 – 2013 | 2.0L CBEA | 140 hp (103 kW) | Diesel | Front-Wheel Drive |
| A3 Sportback 2.0 TFSI quattroHatchback | 2004 – 2013 | 2.0L AXX | 200 hp (147 kW) | Petrol | All-wheel Drive |
| A3 Sportback 2.0 TFSI quattroHatchback | 2004 – 2013 | 2.0L BWA | 200 hp (147 kW) | Petrol | All-wheel Drive |
| A3 Sportback 2.0 TFSI quattroHatchback | 2004 – 2013 | 2.0L BPY | 200 hp (147 kW) | Petrol | All-wheel Drive |
| A3 Sportback 2.0 TFSI quattroHatchback | 2004 – 2013 | 2.0L CCZA | 200 hp (147 kW) | Petrol | All-wheel Drive |
| A3 Sportback 2.0 TFSI quattroHatchback | 2004 – 2013 | 2.0L CBFA | 200 hp (147 kW) | Petrol | All-wheel Drive |
| A3 Sportback 2.0 TFSI quattroHatchback | 2004 – 2013 | 2.0L CCTA | 200 hp (147 kW) | Petrol | All-wheel Drive |
| A3 2.0 TFSI quattroHatchback | 2004 – 2012 | 2.0L AXX | 200 hp (147 kW) | Petrol | All-wheel Drive |
| A3 2.0 TFSI quattroHatchback | 2004 – 2012 | 2.0L BWA | 200 hp (147 kW) | Petrol | All-wheel Drive |
| A3 2.0 TFSI quattroHatchback | 2004 – 2012 | 2.0L CCZA | 200 hp (147 kW) | Petrol | All-wheel Drive |
| A3 2.0 TFSI quattroHatchback | 2004 – 2012 | 2.0L CBFA | 200 hp (147 kW) | Petrol | All-wheel Drive |
| A3 2.0 TFSI quattroHatchback | 2004 – 2012 | 2.0L CCTA | 200 hp (147 kW) | Petrol | All-wheel Drive |
| TT 3.2 V6 quattroCoupe | 2006 – 2010 | 3.2L BUB | 250 hp (184 kW) | Petrol | All-wheel Drive |
| TT 3.2 V6 quattroCoupe | 2006 – 2010 | 3.2L CBRA | 250 hp (184 kW) | Petrol | All-wheel Drive |
| A3 2.0 TDIHatchback | 2006 – 2012 | 2.0L BMN | 170 hp (125 kW) | Diesel | Front-Wheel Drive |
| A3 2.0 TDIHatchback | 2006 – 2012 | 2.0L CBBB | 170 hp (125 kW) | Diesel | Front-Wheel Drive |
| A3 2.0 TDIHatchback | 2006 – 2012 | 2.0L CFGB | 170 hp (125 kW) | Diesel | Front-Wheel Drive |
| A3 Sportback 2.0 TDIHatchback | 2006 – 2013 | 2.0L BMN | 170 hp (125 kW) | Diesel | Front-Wheel Drive |
| A3 Sportback 2.0 TDIHatchback | 2006 – 2013 | 2.0L CBBB | 170 hp (125 kW) | Diesel | Front-Wheel Drive |
| A3 Sportback 2.0 TDIHatchback | 2006 – 2013 | 2.0L CFGB | 170 hp (125 kW) | Diesel | Front-Wheel Drive |
| TT Roadster 3.2 V6 quattroConvertible | 2007 – 2010 | 3.2L BUB | 250 hp (184 kW) | Petrol | All-wheel Drive |
| TT Roadster 3.2 V6 quattroConvertible | 2007 – 2010 | 3.2L CBRA | 250 hp (184 kW) | Petrol | All-wheel Drive |
| A3 S3 quattroHatchback | 2006 – 2012 | 2.0L BHZ | 265 hp (195 kW) | Petrol | All-wheel Drive |
| A3 S3 quattroHatchback | 2006 – 2012 | 2.0L CDLA | 265 hp (195 kW) | Petrol | All-wheel Drive |
| A3 2.0 TDIHatchback | 2005 – 2008 | 2.0L BMM | 140 hp (103 kW) | Diesel | Front-Wheel Drive |
| A3 Sportback 2.0 TDIHatchback | 2005 – 2008 | 2.0L BMM | 140 hp (103 kW) | Diesel | Front-Wheel Drive |
| A3 Sportback S3 quattroHatchback | 2008 – 2013 | 2.0L BHZ | 265 hp (195 kW) | Petrol | All-wheel Drive |
| A3 Sportback S3 quattroHatchback | 2008 – 2013 | 2.0L CDLA | 265 hp (195 kW) | Petrol | All-wheel Drive |
| A3 S3 quattroHatchback | 2007 – 2012 | 2.0L BZC | 256 hp (188 kW) | Petrol | All-wheel Drive |
| A3 S3 quattroHatchback | 2007 – 2012 | 2.0L CDLC | 256 hp (188 kW) | Petrol | All-wheel Drive |