Engine Audi DHVA

The 4.0-liter bi-turbo diesel engine Audi DHVA was produced only from 2019 to 2020 and was installed on particularly powerful modifications of the popular Audi SQ8 4.0 TDI crossover. A similar engine was installed on the Audi SQ7 TDI under the designation DMVA and on the Audi A8 60 TDI as CVXB.

The EA898 series also includes: AKF, ASE, BTR, CKDA, CCGA, CZAC, DHVA.


Production years 2019-2020
Displacement, cc 3956
Fuel system Common Rail
Power output, hp 435
Torque output, Nm 900
Cylinder block cast iron V8
Block head aluminum 32v
Cylinder bore, mm 83
Piston stroke, mm 91.4
Compression ratio 16.0
Features AVS, MHEV
Hydraulic lifters yes
Timing drive chain
Phase regulator no
Turbocharging Bi-Turbo + EAV
Recommended engine oil 5W-30
Engine oil capacity, liter 9.1
Fuel type diesel
Euro standards EURO 6d-TEMP
Fuel consumption, L/100 km (for Audi SQ8 TDI 2019)
— city
— highway
— combined
Engine lifespan, km ~300 000
Weight, kg 280

The engine was installed on:

  • Audi SQ8 1 (4M) in 2019 – 2020.

Disadvantages of the Audi DHVA engine

  • On specialized forums, the motor is usually praised, but there are also complaints;
  • Firstly, they note glitches in the operation of the turbocharging, which leads to traction failures;
  • Cases of lubricant level surges with the appearance of a corresponding error are also described;
  • The remaining engine problems are related to failures in the EGR, DPF and AdBlue systems.

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