The 3.0-liter V6 turbodiesel Audi DHXA was produced from 2018 to 2022 and was installed on the Audi Q7 and Audi Q8. This EA897 diesel with Common Rail injection and a chain-driven timing system produces 286 hp and 600 Nm. It works with a mild hybrid system.
EA897 family: CJMA, CDUC, CDUD, CRCA, CRTC, CVMD, DCPC, DDXC, DDXE, DHXA, DMKC, DPYC.
Specifications
| Production years | 2018-2022 |
| Displacement, cc | 2967 |
| Fuel system | Common Rail |
| Power output, hp | 286 |
| Torque output, Nm | 600 |
| Cylinder block | cast iron V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 91.4 |
| Compression ratio | 16.0 |
| Features | MHEV |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | Garrett GTD2056VZK |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 7.0 |
| Fuel type | diesel |
| Euro standards | EURO 6d-TEMP |
| Fuel consumption, L/100 km (for Audi Q8 2019) — city — highway — combined |
9.2 7.0 7.8 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 190 |
The engine was installed on:
- Audi Q7 2 (4M) in 2018 – 2022;
- Audi Q8 1 (4M) in 2018 – 2022.
Disadvantages of the Audi DHXA engine
- The fuel system with piezo injectors is demanding on diesel quality;
- The updated timing chain drive lasts more than 200,000 km;
- Most complaints concern fouling of the intake, particulate filter and EGR valve.
Frequently asked questions about the Audi DHXA
How much power does the Audi DHXA make?
The Audi DHXA develops 286 hp and 600 Nm of torque.
How much oil does the Audi DHXA take and which one?
Engine oil capacity: 7.0 liters. Recommended oil: 5W-30.
Does the Audi DHXA have a timing belt or chain?
The Audi DHXA uses a timing chain.
Is the Audi DHXA turbocharged?
Yes, the Audi DHXA is turbocharged (Garrett GTD2056VZK).
Does the Audi DHXA need valve clearance adjustment?
No, the Audi DHXA has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi DHXA last?
The typical lifespan of the Audi DHXA is ~300 000 km with proper maintenance.
What is the fuel consumption of the Audi DHXA?
Audi Q8 2019: city 9.2, highway 7.0, combined 7.8 L/100 km.
What cars was the Audi DHXA installed on?
Audi Q7 2 (4M) in 2018 - 2022; Audi Q8 1 (4M) in 2018 - 2022.
What are the common problems of the Audi DHXA?
The fuel system with piezo injectors is demanding on diesel quality. The updated timing chain drive lasts more than 200,000 km. All known problems.
