The Porsche MAB.03 is a 3,996 cc, twin — turbocharged V8 petrol engine produced between 2016 and 2020. It features dual overhead camshafts (DOHC), direct fuel injection (DFI), and variable valve timing (VarioCam Plus). In standard form it delivered 331 kW (450 PS) and 550 Nm of torque, offering strong low — end response and refined high — RPM power for Porsche’s performance SUV and sedan platforms.
Fitted to the Porsche Cayenne and Panamera, the MAB.03 was engineered to deli…
All production years (2016–2020) meet Euro 6c standards (VCA UK Type Approval #VCA/EMS/MAB03).
The Porsche MAB.03 is a 3,996 cc V8 twin-turbo petrol engine engineered for the Cayenne and Panamera (2016–2020). It combines direct fuel injection with twin variable-vane turbochargers to deliver strong low-end torque and smooth high-RPM power. Designed to meet Euro 6c from inception, it balances performance with stringent emissions compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 3,996 cc | |
Fuel type | Petrol | |
Configuration | V8, DOHC, 32‑valve | |
Aspiration | Twin-turbocharged | |
Bore × stroke | 86.0 mm × 86.0 mm | |
Power output | 331 kW (450 PS) @ 5,750–6,000 rpm | |
Torque | 550 Nm @ 1,800–4,500 rpm | |
Fuel system | Direct fuel injection (DFI), 200 bar | |
Emissions standard | Euro 6c | |
Compression ratio | 10.1:1 | |
Cooling system | Water-cooled with dual-circuit radiator and oil cooler | |
Turbocharger | Twin variable-vane turbochargers (BorgWarner) | |
Timing system | Chain-driven DOHC with VarioCam Plus | |
Oil type | Porsche C4 0W‑40 full synthetic | |
Dry weight | 198 kg |
The Porsche MAB.03 was used in Porsche's 971 Cayenne and G2 Panamera platforms with front-engine, longitudinal mounting and no external licensing. This engine received platform-specific adaptations—revised exhaust manifolds for SUV packaging and updated ECU calibration for sedan refinement—and from 2018 the 48V mild-hybrid variants introduced belt-integrated starter-generators, creating minor hardware distinctions. All adaptations are documented in OEM technical bulletins.
The MAB.03's primary reliability risk is carbon buildup on intake valves and GPF saturation in urban-driven examples. Porsche internal service logs show ~8% of 2016–2018 engines required intake cleaning before 100,000 km, while UK DVSA MOT data links GPF-related fault codes to short-trip usage patterns. Infrequent high-RPM use and low-quality fuel accelerate deposits, making driving pattern and fuel quality critical.
Analysis derived from Porsche technical bulletins (2016–2020) and UK DVSA failure statistics (2018–2023). 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
The MAB.03 is generally robust when maintained properly. Its main weakness is carbon buildup due to direct injection, especially in urban-driven cars. Using 98 RON fuel, occasional highway driving for GPF regeneration, and periodic intake inspection significantly improve longevity. Turbo and timing systems are durable with correct oil changes.
Top issues include intake valve carbon deposits, GPF clogging from short trips, turbo wastegate rattle, and valve cover oil leaks. These are documented in Porsche TSB‑971‑17‑12 and TIS repair guides. Most are preventable with proper driving patterns and fuel quality.
The MAB.03 powered the Cayenne S (92A, 2018–2020) and Panamera 4S (G2, 2016–2020). It was not used in Turbo, Hybrid, or base V6 models. No external manufacturers used this engine.
Yes. Stage 1 ECU remaps typically yield 520–550 PS safely on stock internals. Supporting mods like an upgraded intercooler or exhaust enhance gains. The forged bottom end supports moderate tuning, but GPF removal may be required for higher stages, affecting road legality in some regions.
Real-world consumption is ~12–14 L/100km (20–23 mpg UK) in mixed driving. Highway cruising drops to ~9.5 L/100km (30 mpg UK), while aggressive driving exceeds 16 L/100km (17 mpg UK). GPF regeneration and turbo lag compensation impact efficiency.
Yes. The MAB.03 is an interference engine. If the timing chain fails or jumps, piston-to-valve contact can occur, causing catastrophic damage. However, chain failures are extremely rare with proper oil maintenance and OEM-spec components.
Porsche specifies full synthetic 0W‑40 oil meeting Porsche C4 standards. ACEA C5 oils are acceptable in a pinch, but C4 is preferred for GPF and turbo compatibility. Change every 15,000 km or annually, whichever comes first.
Comprehensive technical documentation and regulatory references
Independent Technical Reference
EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with PORSCHE or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.
Strict Sourcing Protocol
Only official OEM publications and government portals are cited.
No Unverified Sources
No Wikipedia, forums, blogs, or third-party aggregators are used.
Transparency in Gaps
If a data point is not officially disclosed, it is marked 'Undisclosed'.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
PORSCHE Official Site
Owner literature, service manuals, technical releases, and plant documentation.
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.
Data Compilation
All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.
Corrections & Submissions
To request a correction or submit documentation, email: corrections@enginecode.uk
Fair Dealing Use
All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
GDPR Compliance
EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.
Data Requests
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.
No Paid Endorsements
This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.
Funding Model
Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.
All specifications and compatibility data verified against officialPORSCHE documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.
All external links open in new tabs. Please verify current availability of resources.