| 9 version of the engine | 12 | | Typ | S4 | RS4 | 2.0 TDI PD | 2.7 TDI CR | 3.0 TDI CR quattro |
| Engine | benzynowy | benzynowy | turbo diesel | turbo diesel | turbo diesel |
| Type of injection | pośredni MPI | bezpośredni | pompowtryskiwacze | Common rail | Common rail |
| Engine Code | BBK, BHF | BNS | BPW | BPP | ASB |
| Years of mounting | 2005-2009 | 2006-2009 | 2005-2009 | 2006-2009 | 2006-2009 |
| Cylinders/valves | V8/40 | V8/32 | R4/8 | V6/24 | V6/24 |
| Displacement [cm³] | 4163 | 4163 | 1968 | 2698 | 2967 |
| Power [kW/PS/RPM] | 253/344/7000 | 309/420/7800 | 103/140/4000 | 132/180/4250 | 171/233/3500 |
| Torque [Nm/RPM] | 410/3500 | 430/5500 | 320/1750-2500 | 380/1400-3300 | 450/1400-3250 |
| Timing gear | łańcuch | łańcuch | pasek | łańcuch | łańcuch |
| Particle filter | - | - | opcja (DPF) | tak (DPF) | tak (DPF) |
| Gearbox | manual. 6b/aut. 6b | manualna 6b | man. 6b/Multitronic | Multitronic | manual. 6b/aut. 6b |
| Drivetrain | 4x4 (Torsen) | 4x4 (Torsen) | przedni | przedni | 4x4 (Torsen) |
| Brakes, front/rear | tarcz. went./t. went. | tarcz. went./t. went. | 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] | 1855/1895 | 1845 | 1600/1630 | 1745 | 1790/1815 |
| Body dimensions [mm] | 4573/1777/1391 | 4555/1814/1391 | 4573/1777/1391 | 4573/1777/1391 | 4573/1777/1391 |
| Luggage capacity [l] | 246/315 | 246/315 | 246/315 | 246/315 | 246/315 |
| Acceleration 0-100km/h (0-62mph) [s] | 5,9/6,2 | 4,9 | 10,4/10,6 | 9,0 | 7,3/7,8 |
| Top speed [km/h] | 250 | 250 | 207/201 | 222 | 242 |
| Fuel cons. (city/h-way/comb.) [l/100km] | 18,2/9,4/12,6 | 21,4/9,6/13,9 | 8,1/5,6/6,5 | 9,5/5,7/7,1 | 11,7/6,4/8,4 |
| Fuel tank capacity [l] | 63 | 63 | 70 | 70 | 63 |
| Ratio kg/PS | 5.39/5.51 | 4.39 | 11.43/11.64 | 9.69 | 7.68/7.79 |