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| Model | Years | Speeds | Drive Train | Trans Model |
| A8 | 1997-03 | 5 Spd | 2.5L, 2.8L, 3.7L | ZF5HP19FL |
| A8 | 2000-02 | 5 Spd | 3.3L, 4.2L, 6.0L | ZF5HP24A |
| A8 | 2002-10 | 6 Spd | 3.0L, 3.2L, 3.7L, 4.2L | ZF6HP19A |
| A8 | 2003-06 | CVT | 3.0L | VL300-6 |
| A8 | 2003-10 | 6 Spd | 4.0L, 4.2L, 5.2L, 6.0L | ZF6HP26A |
| A8 | 2005-10 | CVT | 2.8L, 3.2L | VL300-7 |
| A8 | 2009-11 | 8 Spd | 2.8L, 3.0L, 4.0L, 4.2L, 6.3L | ZF8HP55AF |
| A8 | 2009-11 | 8 Spd | 4.2L | ZF8HP90AF |