The 4.0-liter twin-turbo V8 Porsche MDW.NA was installed from 2021 to 2023 on the top version of the Cayenne, the Turbo GT Coupe. It produces 640 hp and 850 Nm; the updated and slightly more powerful version is known as the MDW.NF.
EA825 family:
Panamera – MCV.DA, MCV.DD, MCV.DE, MDT.CA, MCV.DF, MDV.TA, MDV.TC, MDV.TD;
Cayenne – MDC.UA, MDC.UD, MDW.HB, MDW.HC, MDW.HA, MDW.NA, MDW.NF.
Specifications
| Production years | 2021-2023 |
| Displacement, cc | 3996 |
| Fuel system | direct injection |
| Power output, hp | 640 |
| Torque output, Nm | 850 |
| Cylinder block | aluminum V8 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 86 |
| Compression ratio | 9.7 |
| Features | AVS |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | at intake and exhaust |
| Turbocharging | two BorgWarner B03G |
| Recommended engine oil | 0W-40 |
| Engine oil capacity, liter | 9.5 |
| Fuel type | petrol |
| Euro standards | EURO 6d |
| Fuel consumption, L/100 km (for Porsche Cayenne Turbo GT 2022) — city — highway — combined |
17.7 9.7 12.6 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 230 |
The engine was installed on:
- Porsche Cayenne 3 Coupe (9YB) in 2021 – 2023.
Disadvantages of the Porsche MDW.NA engine
- A new and rare engine, so failure statistics are minimal;
- Low-quality petrol can cause detonation and even scuffing in the cylinders;
- The plasma-sprayed coating of the cylinder walls also suffers from bad fuel;
- The turbochargers last long only with frequent oil changes, ideally more often than the official interval;
- The complex exhaust after-treatment system often throws errors.
Frequently asked questions about the Porsche MDW.NA
How much power does the Porsche MDW.NA make?
The Porsche MDW.NA develops 640 hp and 850 Nm of torque.
How much oil does the Porsche MDW.NA take and which one?
Engine oil capacity: 9.5 liters. Recommended oil: 0W-40.
Does the Porsche MDW.NA have a timing belt or chain?
The Porsche MDW.NA uses a timing chain.
Is the Porsche MDW.NA turbocharged?
Yes, the Porsche MDW.NA is turbocharged (two BorgWarner B03G).
Does the Porsche MDW.NA need valve clearance adjustment?
No, the Porsche MDW.NA has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Porsche MDW.NA last?
The typical lifespan of the Porsche MDW.NA is ~300 000 km with proper maintenance.
What is the fuel consumption of the Porsche MDW.NA?
Porsche Cayenne Turbo GT 2022: city 17.7, highway 9.7, combined 12.6 L/100 km.
What cars was the Porsche MDW.NA installed on?
Porsche Cayenne 3 Coupe (9YB) in 2021 - 2023.
What are the common problems of the Porsche MDW.NA?
A new and rare engine, so failure statistics are minimal. Low-quality petrol can cause detonation and even scuffing in the cylinders. All known problems.
