| 21 version of the engine | 12345 | | Typ | S6 Plus 4.2 | 1.9 TDI | 2.5 TDI | 2.5 TDI | 2.5 TDI quattro |
| Engine | benzynowy | turbo diesel | turbo diesel | turbo diesel | turbo diesel |
| Type of injection | pośredni MPI | pompa wtryskowa | pompa wtryskowa | pompa wtryskowa | pompa wtryskowa |
| Engine Code | AHK | 1Z, AHU | AAT | AEL | AEL |
| Years of mounting | 1996-1997 | 1994-1997 | 1994-1997 | 1994-1997 | 1995-1997 |
| Cylinders/valves | V8/32 | R4/8 | R5/10 | R5/10 | R5/10 |
| Displacement [cm³] | 4172 | 1896 | 2461 | 2461 | 2461 |
| Power [kW/PS/RPM] | 240/326/6500 | 66/90/4000 | 85/115/4000 | 103/140/4000 | 103/140/4000 |
| Torque [Nm/RPM] | 400/3500 | 202/1900 | 265/1900 | 290/1900 | 290/1900 |
| Timing gear | pasek | pasek | pasek | pasek | pasek |
| Particle filter | - | - | - | - | - |
| Gearbox | manualna 6b | manual. 5b/aut. 4b | man. 5,6b/aut. 4b | manual. 6b/aut. 4b | manual. 6b/aut. 4b |
| Drivetrain | 4x4 (Torsen) | przedni | przedni | przedni | 4x4 (Torsen) |
| Brakes, front/rear | tarcz. went./t. went. | tarcz. went./tarcz. | tarcz. went./tarcz. | tarcz. went./tarcz. | tarcz. went./tarcz. |
| Front suspension | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe |
| Rear suspension | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe | wielowahaczowe |
| Curb weight [kg] | 1695 | 1380/1395 | 1460/1490 | 1460/1490 | 1560 |
| Body dimensions [mm] | 4797/1804/1440 | 4797/1783/1430 | 4797/1783/1430 | 4797/1783/1430 | 4797/1783/1440 |
| Luggage capacity [l] | 510 | 510 | 510 | 510 | 510 |
| Acceleration 0-100km/h (0-62mph) [s] | 5,6 | 13,9/17,5 | 11,2/12,9 | 9,9/11,1 | 10,0 |
| Top speed [km/h] | 250 | 177 | 195/192 | 208/205 | 206 |
| Fuel cons. (city/h-way/comb.) [l/100km] | 18,7/10,9/12,8 | 7,0/4,5/5,8 | 7,5/4,8/6,3 | 7,5/4,4/6,0 | 8,3/4,7/6,5 |
| Fuel tank capacity [l] | 80 | 80 | 80 | 80 | 80 |
| Ratio kg/PS | 5.2 | 15.33/15.5 | 12.7/12.96 | 10.43/10.64 | 11.14 |