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 .
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.
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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
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.
Aftermarket ECU tuning is common on the MAB-03 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.
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
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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.
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Type-approval guidance and documentation.
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