The Porsche MDD.NC is a 3,997 cc, twin‑turbocharged V8 petrol engine introduced in 2020 for the Cayenne Coupé Turbo S and high — performance Panamera variants. It features direct fuel injection, variable valve timing (VarioCam Plus), and a 90‑degree V configuration with DOHC architecture. Factory output is rated at 463 kW (630 PS) with peak torque of 850 Nm at 2,300–4,500 rpm, optimized for sustained high — load performance and refined daily usability.
Fitted to models su…
All production years (2020–present) meet Euro 6d emissions standards across EU and UK markets .
The Porsche MDD.NC is a 3,997 cc twin‑turbo V8 petrol engine engineered for performance SUVs and sedans (2020–present). It combines port and direct fuel injection with twin variable-geometry turbochargers to deliver immediate torque and sustained high-rpm refinement. Designed to meet Euro 6d standards globally, it integrates advanced thermal and emissions control for both track and urban compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 3,997 cc | |
Fuel type | Petrol (RON 95 min, RON 98 optimal) | |
Configuration | V8, DOHC, 32‑valve, 90° bank angle | |
Aspiration | Twin‑turbocharged | |
Bore × stroke | 102.0 mm × 122.0 mm | |
Power output | 463 kW (630 PS) @ 6,000 rpm | |
Torque | 850 Nm @ 2,300–4,500 rpm | |
Fuel system | Combined port + direct injection (PFI + DI), Bosch HDEV6 | |
Emissions standard | Euro 6d (including RDE compliance) | |
Compression ratio | 9.8:1 | |
Cooling system | Triple-circuit water-cooled with auxiliary oil and charge air coolers | |
Turbocharger | Twin variable‑geometry turbochargers (BorgWarner) | |
Timing system | Chain-driven DOHC with hydraulic tensioners | |
Oil type | Porsche C3 specification (e.g., Mobil 1 ESP 0W-40) | |
Dry weight | 238 kg |
The Porsche MDD.NC was used across Porsche's 92A and 971 platforms with longitudinal mounting and shared modular architecture. This engine received platform-specific adaptations—enhanced cooling in the Cayenne Coupé Turbo S and exhaust tuning in the Panamera Turbo S—and from 2022 the facelifted variants adopted revised turbo oil restrictors and engine mounts, creating minor interchange limits. All adaptations are documented in OEM technical bulletins.
Engine Finders UK Ltd, which operates EngineCode.uk, can pass your enquiry to engine suppliers in the UK. The service is for vehicles in the United Kingdom, with UK delivery or fitting. This is a commercially connected service, and sending an enquiry does not confirm diagnosis or compatibility.
Diagnostic reminder: If a technician has recommended replacing the engine, you can send an enquiry to engine suppliers in the UK. Confirm the diagnosis first: an engine-code record does not diagnose a fault.
Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
Yes—with updated hardware. Early 2020–2021 models had turbo restrictor concerns under track use, resolved in 2022 with revised components. With proper oil/fuel protocols and cooldown periods, it demonstrates excellent durability in high-output applications.
Turbo oil restrictor coking (2020–2021), GPF saturation from short-trip driving, PCV oil vapor buildup, and auxiliary coolant pump failure. All are documented in Porsche TSBs and addressable with OEM procedures.
Cayenne Coupé Turbo S (92A, 2020–present) and Panamera Turbo S (971, 2020–present), including Sport Turismo variants. All meet Euro 6d standards and feature twin-turbo V8 power with GPF.
Aftermarket ECU tuning is common on the MDD-NC platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
WLTP combined: ~12.6 L/100km (22 mpg UK). Real-world mixed driving yields 11–14 L/100km (20–26 mpg UK). Highway cruising achieves ~9.3 L/100km (30 mpg UK). Track use may exceed 18 L/100km. RON 98 is strongly recommended.
Yes. Like all modern Porsche DOHC engines, it is interference-design. Timing chain failure (extremely rare) could cause valve-piston contact. Chains are designed for life but unusual noise should prompt immediate inspection.
Porsche C3 specification synthetic oil (e.g., 0W-40). Must meet ACEA C3 and OEM validation. Change every 10,000 km or 12 months—whichever comes first—to protect turbo bearings, GPF, and oil circuit integrity.
Comprehensive technical documentation and regulatory references
EngineCode.uk is operated by Engine Finders UK Ltd. It provides engine-reference information and an optional commercial enquiry service. It is not an official manufacturer website. Check the record's sources and confirm vehicle-specific details before relying on it for parts, repairs or replacement.
Our editorial standard prioritises relevant manufacturer documentation and official regulatory sources. The sources and verification status for a record should be checked alongside the data.
A statement is not verified merely because a source is listed. Where supporting evidence is missing or conflicting, the record should identify that limitation. Please report unsupported or inconsistent information.
Transparency in gaps
A missing or unverified value does not mean the manufacturer has withheld it. We distinguish information not yet verified, information not available to us, and information explicitly not disclosed by the source.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
Type-approval guidance and documentation.
Records are subject to review and correction. Source links, dates and verification notes should be read with the technical information. Our Editorial and Sourcing Policy explains our standards and review process.
Found an error or missing source? Report a problem with this page. Include the field or statement concerned and a supporting source if available. You can also email corrections@enginecode.uk.
Copyright and permissions
Images and other material may be protected by copyright. Attribution does not by itself grant permission to reuse material. If you believe material on this site infringes your rights, contact copyrights@enginecode.uk with the page URL and details of your claim. We will review the material and take appropriate action.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
Our Privacy Policy explains how Engine Finders UK Ltd uses information from visits, vehicle lookups, enquiries and messages. Our Cookie Policy explains cookies and similar technologies and how to change your choices.
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
Ownership and commercial services
EngineCode.uk is owned and operated by Engine Finders UK Ltd. Alongside our reference content, we offer an optional replacement-engine enquiry service through Engine Finders and may identify relevant services provided by businesses connected with us. These commercial connections are disclosed. Using an enquiry service is not required to read our reference content.
Engine Finders UK Ltd operates this website. Our optional enquiry service has a commercial purpose. Our Ownership and Commercial Disclosure explains the relationship between the reference website and that service. Participating suppliers pay a fee or subscription to participate on the network and receive quote requests.
Use this record as a starting point for identification. Specifications and vehicle applications may contain errors or omissions. Confirm the exact engine variant and compatibility using vehicle-specific documentation and a qualified supplier or technician.
All external links open in new tabs. Please verify current availability of resources.