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Audi A8 D4

List of Audi A8 D4 engine types, for which HMS-Tuning may offer performance improvement.

Diesel - Engines

Model engine type engine capacity OEM values  
A8 D4 2967 ccm 250 HP / 184 kW Select
A8 D4 4.2 TDI 4143 ccm 351 HP / 258 kW Select

Petrol - Engines

Model engine type engine capacity OEM values  
A8 D4 3.0 TFSI (Stage 1) 2995 ccm 310 HP / 228 kW Select
A8 D4 3.0 TFSI (Stage 2) 2995 ccm 310 HP / 228 kW Select
A8 D4 4.0 TFSI 3993 ccm 420 HP / 309 kW Select
A8 D4 4.0 TFSI 3993 ccm 435 HP / 320 kW Select
A8 D4 S8 4.0 TFSI 3993 ccm 520 HP / 382 kW Select
  • Important notice:
    The installation of electronic addons for tuning leads in Germany to a loss of the general vehicle approval, if the installation will not be checked and approved immediately by an official authorized expert. Driving a vehicle on public roads without a general vehicle approval might void your vehicles liability insurance and you may loose the complete vehicle insurance protection (please check upfront with the vehicle insurance provider). Driving a vehicle without having a valid vehicle liability insurance is a criminal offence in Germany! Installation of tuning addons may also lead to loss of any warranty claims against the manufacturer or seller of the vehicle.