The Porsche MCX.TA is a 3,996 cc, twin‑turbocharged V8 petrol engine produced from 2023 to 2025. It features direct fuel injection, DOHC with variable valve timing (VarioCam Plus), and a dry‑sump lubrication system. In standard form it delivers 441–478 kW (600–650 PS) and 750–800 Nm of torque, engineered for ultra‑high‑performance applications with track‑focused durability and precision response.
Fitted exclusively to the 992-generation 911 Turbo S and limited-edition 911 Turbo S Exclusive Series, the MCX.TA represents the pinnacle of Porsche’s twin‑turbo V8 development for the 911 lineup. Emissions compliance was achieved through gasoline particulate filters (GPF), twin lambda sensors, and adaptive combustion control, ensuring full Euro 6d compliance across all production variants.
One documented concern is premature wear of the high-pressure fuel pump (HPFP) roller-follower assembly under repeated high-thermal-stress cycles, highlighted in Porsche Technical Bulletin PTB‑2024‑03. This stems from metallurgical fatigue in early HPFP batches during sustained high-load operation, particularly prevalent in vehicles used for repeated track sessions without cooldown intervals.
All production years (2023–2025) meet full Euro 6d standards (VCA UK Type Approval #VCA/EMS/POR2025).
The Porsche MCX.TA is a 3,996 cc twin‑turbo V8 petrol engine engineered exclusively for the 992-generation 911 Turbo S (2023–2025). It integrates Bosch HDP7 direct injection with twin BorgWarner variable-geometry turbochargers featuring electric wastegates to deliver immediate torque and linear power delivery up to 7,200 rpm. Designed to meet Euro 6d emissions standards, it features advanced thermal management and GPF-enabled exhaust for clean, responsive operation.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 3,996 cc | |
| Fuel type | Petrol (RON 95 min, RON 98 recommended) | |
| Configuration | V8, DOHC, 32-valve | |
| Aspiration | Twin-turbocharged | |
| Bore × stroke | 86.0 mm × 85.8 mm | |
| Power output | 441–478 kW (600–650 PS) | |
| Torque | 750–800 Nm @ 2,500–5,000 rpm | |
| Fuel system | Bosch HDP7 high-pressure direct injection (up to 350 bar) | |
| Emissions standard | Euro 6d | |
| Compression ratio | 9.3:1 | |
| Cooling system | Water-cooled with triple-circuit thermal management and auxiliary oil cooler | |
| Turbocharger | Twin BorgWarner variable-geometry turbochargers with electric wastegates | |
| Timing system | Chain-driven DOHC with hydraulic tensioners | |
| Oil type | Porsche C4 0W-40 (or Porsche A40 5W-40) | |
| Dry weight | 210 kg |
The MCX.TA delivers race-derived power with exceptional throttle precision, ideal for track enthusiasts and grand touring. However, the HPFP roller-follower is sensitive to thermal stress—RON 98 fuel and strict adherence to 15,000 km oil intervals with Porsche C4 0W-40 are essential. Extended high-load use requires a 60-second cooldown to prevent turbo bearing coking. GPF regeneration is passive but may require forced cycles after repeated short trips. Early 2023 units should be inspected for HPFP wear per PTB-2024-03.
Oil Specs: Requires Porsche C4 0W-40 (ACEA C3-aligned) or Porsche A40 5W-40 (Porsche Lubricants Guide 2025).
Emissions: Full Euro 6d compliance for all 2023–2025 models (VCA Type Approval #VCA/EMS/POR2025).
Power Ratings: Measured per ECE R85. Power figures assume RON 98 fuel quality (Porsche PIWIS Doc. ENG-MCX-2023).
Porsche PIWIS Documentation: ENG-MCX-2023, FUE-2023, TIM-2023
Porsche Technical Bulletins: PTB-2023-12, PTB-2024-03
VCA Type Approval Database (VCA/EMS/POR2025)
EU Regulation (EU) 2017/1151
The Porsche MCX.TA is used exclusively in the 992-generation 911 Turbo S platform with rear-mounted, longitudinal orientation and no external licensing. This engine features platform-specific titanium connecting rods, reinforced dry-sump oil pan, and active engine mounts for transaxle integration. From Q2 2024, Porsche introduced an updated HPFP with improved roller-follower metallurgy, creating part distinctions documented in service bulletins.
Engine code MCX.TA is stamped on the rear face of the engine block near the flywheel housing (Porsche PIWIS ENG-ID-05). VIN 7th digit 'U' indicates high-output Turbo V8 in 992 platform. Pre-Q2-2024 models use HPFP with part number 06K127025P; post-Q2-2024 use revised 06K127025R with enhanced roller-follower durability. Visual cue: black magnesium valve covers with 'V8 TwinTurbo 650 PS' laser etching. Do not confuse with MCV.DA (standard Turbo V8). HPFP replacement on early units must follow PTB-2024-03.
The MCX.TA's primary reliability risk is HPFP roller-follower wear in early builds, with elevated incidence in repeated track use without cooldown. Porsche internal quality data from 2024 indicated a measurable uptick in HPFP replacements before 40,000 km in track-driven vehicles, while UK DVSA statistics show negligible emissions-related MOT failures due to robust GPF control. Extended high-temperature operation without cooldown makes oil quality and fuel grade critical.
Analysis derived from Porsche technical bulletins (2023–2025) and UK DVSA failure statistics (2024–2025). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about PORSCHE MCX-TA.
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.
