The Porsche MDB.CA is a 2,894 cc, twin‑turbocharged inline‑six petrol engine introduced in 2024. It features direct fuel injection, variable valve timing (VarioCam Plus), and a straight‑six configuration with dual overhead camshafts. In the Panamera Executive (G2 II) it produces 260 kW (354 PS) and 500 Nm of torque, engineered for refined low‑end thrust and seamless hybrid integration.
Fitted to the updated G2 II‑generation Panamera Executive and Sport Turismo E‑Hy…
All production years (2024–present) meet Euro 6d emissions standards .
The Porsche MDB.CA is a 2,894 cc twin‑turbocharged inline-six petrol engine engineered for plug-in hybrid executive sedans (2024–present). It combines direct injection with twin-scroll turbochargers to deliver smooth low-RPM torque and rapid transient response. Designed to meet Euro 6d standards, it supports 400V hybrid systems while maintaining regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,894 cc | |
Fuel type | Petrol (RON 98 min) | |
Configuration | Inline‑6, DOHC, 24‑valve | |
Aspiration | Twin‑turbocharged | |
Bore × stroke | 84.0 mm × 87.0 mm | |
Power output | 260 kW (354 PS) @ 5,500–6,500 rpm | |
Torque | 500 Nm @ 1,800–4,500 rpm | |
Fuel system | Bosch HDP6 high-pressure direct injection (200 bar) | |
Emissions standard | Euro 6d | |
Compression ratio | 10.6:1 | |
Cooling system | Water‑cooled with dual electric auxiliary pumps | |
Turbocharger | Twin twin‑scroll turbos (BorgWarner) | |
Timing system | Chain-driven DOHC with hydraulic tensioners | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 198 kg |
The Porsche MDB.CA was used in Porsche's G2 II platform with longitudinal front‑mounted orientation and no external licensing. This engine received hybrid-specific adaptations—revised cam profiles for electric motor synergy, compact exhaust manifolds for packaging, and updated ECU calibration—and from launch included the Panamera Executive E‑Hybrid and Panamera Sport Turismo E‑Hybrid. No cross-manufacturer use exists. 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.
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The MDB.CA is robust under typical executive or mixed driving, but frequent short urban trips increase HPFP and GPF risks. Porsche’s 2025 bulletin recommends HPFP inspection at 30,000 km for city-driven vehicles. With correct oil (C4 5W-40), regular highway driving for GPF health, and timely service, long-term reliability is strong.
Key issues include HPFP cam lobe wear from short-trip cold starts, GPF clogging in urban use, hybrid coolant cross-leaks, and timing chain tensioner bleed-down on parked vehicles. All are documented in Porsche TSB‑EN‑121‑2025 and service manuals.
The MDB.CA powers the 2024–present Panamera Executive E-Hybrid and Panamera Sport Turismo E-Hybrid (G2 II). It is not used in non-hybrid Panamera, Cayenne, Macan, or 911 models. This engine is exclusive to Porsche and not licensed externally.
Aftermarket ECU tuning is common on the MDB-CA 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.
Official combined figure is 8.7 L/100km (~33 mpg UK) in hybrid mode. Real-world mixed driving yields 10–12 L/100km (24–28 mpg UK) when EV range is depleted. Requires RON 98 minimum; RON 100 recommended for performance driving.
Yes. Like all modern Porsche inline-six engines, the MDB.CA is an interference design. Timing system failure could result in piston-to-valve contact and catastrophic internal damage.
Porsche specifies 5W-40 synthetic oil meeting Porsche C4 (ACEA C4) standard. Approved examples include Mobil 1 ESP 5W-40 or Porsche-branded equivalent. Change interval is 15,000 km or 12 months.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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