The Porsche MCT.LA is a 2,995 cc, twin‑turbocharged V6 petrol engine introduced in 2020. It features direct fuel injection, variable valve timing (VarioCam Plus), and a 90‑degree V configuration with dual overhead camshafts per bank. In the Cayenne S (92A) it produces 324 kW (440 PS) and 550 Nm of torque, delivering strong mid‑range thrust and refined high‑load response.
Fitted to the 9YA‑generation Cayenne Coupe and 92A‑generation Cayenne S, the MCT.LA was engineered…
All production years (2020–present) meet Euro 6d emissions standards (VCA UK Type Approval #VCA/EMS/8451).
The Porsche MCT.LA is a 2,995 cc twin‑turbocharged V6 petrol engine engineered for mid-size SUV applications (2020–present). It combines direct injection with twin variable‑geometry turbochargers to deliver strong mid-range torque and smooth high-load behavior. Designed to meet Euro 6d standards, it balances performance with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,995 cc | |
Fuel type | Petrol (RON 98 min) | |
Configuration | V6, DOHC, 24‑valve, 90° bank angle | |
Aspiration | Twin‑turbocharged | |
Bore × stroke | 86.0 mm × 86.0 mm | |
Power output | 324 kW (440 PS) @ 5,750 rpm | |
Torque | 550 Nm @ 1,800–5,500 rpm | |
Fuel system | Bosch HDP6 high-pressure direct injection (200 bar) | |
Emissions standard | Euro 6d | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled with twin radiators and auxiliary transmission cooler | |
Turbocharger | Twin variable‑geometry turbos (Honeywell) | |
Timing system | Chain-driven DOHC with hydraulic tensioners | |
Oil type | Porsche C4 5W‑40 (ACEA C4) | |
Dry weight | 213 kg |
The Porsche MCT.LA was used in Porsche's 9YA and 92A platforms with longitudinal front‑mounted orientation and no external licensing. This engine received SUV-specific adaptations—reinforced oil pan, upgraded cooling, and steeper torque curve—and from launch included the Cayenne S and Cayenne Coupe S. No cross-manufacturer use exists. All adaptations are documented in OEM technical bulletins.
The MCT.LA's primary reliability risk is high-pressure fuel pump (HPFP) degradation under short-trip urban use, with elevated incidence in vehicles accumulating <10,000 km/year. Porsche internal durability logs from 2023 reported a 12% HPFP replacement rate before 80,000 km in city-driven fleets, while VCA emissions data confirms robust Euro 6d compliance under normal conditions. Thermal cycling without full warm-up accelerates cam follower wear, making preventive upgrades critical.
Analysis derived from Porsche technical bulletins (2020–2025) and UK DVSA failure statistics (2020–2025). Repair procedures should follow manufacturer guidelines.
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The MCT.LA is generally robust under consistent mixed or highway driving, but urban short-trip usage increases HPFP and GPF risks. Porsche’s 2022 bulletin recommends HPFP and cam follower upgrades for preventative maintenance. With correct oil (C4 5W-40), regular warm-up cycles, and timely service, longevity is strong.
Key issues include HPFP cam follower wear from short trips, GPF clogging without highway use, early turbo wastegate rattle, and timing chain tensioner bleed-down on parked vehicles. All are documented in Porsche TSB‑EN‑062‑2022 and service manuals.
The MCT.LA powers the 2020–present Cayenne S (92A) and Cayenne Coupe S (9YA). It is not used in base Cayenne, GTS, Turbo, or Panamera models. This engine is exclusive to Porsche and not licensed externally.
Yes. Stage 1 ECU tuning typically yields +40–50 kW while retaining stock hardware reliability. However, HPFP and turbo limits are conservative. Aggressive tuning without upgraded fuel pumps and intercooling may accelerate HPFP failure. Porsche Motorsport discourages tuning for daily-driven vehicles.
Official combined figure is 9.7 L/100km (~29 mpg UK). Real-world mixed driving yields 11–14 L/100km (20–25 mpg UK). Track or aggressive driving can exceed 18 L/100km. Requires RON 98 minimum; RON 100 recommended for performance use.
Yes. Like all modern Porsche V6/V8 engines, the MCT.LA 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.
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