The 1.4-liter four-cylinder turbo Audi CXUA was produced from 2015 to 2018 and was installed on the Audi A3. This EA211 engine has direct injection, an IHI RHF3 turbocharger and a timing belt and produces 150 hp and 250 Nm. It is the combustion engine of a plug-in hybrid powertrain. Together with the electric motor, the system produces 204 hp and 350 Nm.
1.4 Hybrid EA211 family: CUKB, CXUA, CNLA, CRJA, CUKC, DGEA, DGEB, DUKA, DXJA.
Specifications
| Production years | 2015-2018 |
| Displacement, cc | 1395 |
| Fuel system | direct injection |
| Power output, hp | 150 |
| Torque output, Nm | 250 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 74.5 |
| Piston stroke, mm | 80.0 |
| Compression ratio | 10.0 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | on both shafts |
| Turbocharging | IHI RHF3 |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.0 |
| Fuel type | petrol |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Audi A3 e-tron 2015) — city — highway — combined |
3.1 3.6 3.3 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 107 |
The engine was installed on:
- Audi A3 3 (8V) in 2015 – 2018.
Disadvantages of the Audi CXUA engine
- The hybrid powertrain as a whole is reliable; most complaints concern the DSG gearbox mechatronics rather than the engine;
- Saving on maintenance quickly leads to stuck piston rings and oil consumption;
- Keep an eye on cooling: the traction battery does not tolerate overheating;
- Few workshops have experience with these hybrid powertrains.
Frequently asked questions about the Audi CXUA
How much power does the Audi CXUA make?
The Audi CXUA develops 150 hp and 250 Nm of torque.
How much oil does the Audi CXUA take and which one?
Engine oil capacity: 4.0 liters. Recommended oil: 5W-30.
Does the Audi CXUA have a timing belt or chain?
The Audi CXUA uses a timing belt.
Is the Audi CXUA turbocharged?
Yes, the Audi CXUA is turbocharged (IHI RHF3).
Does the Audi CXUA need valve clearance adjustment?
No, the Audi CXUA has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi CXUA last?
The typical lifespan of the Audi CXUA is ~250 000 km with proper maintenance.
What is the fuel consumption of the Audi CXUA?
Audi A3 e-tron 2015: city 3.1, highway 3.6, combined 3.3 L/100 km.
What cars was the Audi CXUA installed on?
Audi A3 3 (8V) in 2015 - 2018.
What are the common problems of the Audi CXUA?
The hybrid powertrain as a whole is reliable; most complaints concern the DSG gearbox mechatronics rather than the engine. Saving on maintenance quickly leads to stuck piston rings and oil consumption. All known problems.
