Engine Code

MACLAREN P76 engine (2011–2017) – Specs, Problems & Compatibility Database

The McLaren P76 is a 3,799 cc, 90‑degree V8 twin‑turbocharged petrol engine produced between 2011 and 2017. Developed in partnership with Ricardo, it features dual overhead camshafts (DOHC), dry sump lubrication, and direct fuel injection. This engine powered McLaren's inaugural road car, delivering outputs from 592 PS to 650 PS, establishing a benchmark for high‑performance, everyday supercars.

Fitted exclusively to the MP4‑12C and its derivatives (including the 650S and 625C), the P76 was engineered for explosive acceleration, refined high‑speed stability, and surprising daily drivability. Emissions compliance was achieved through precise engine management and catalytic converters, meeting Euro 5 standards for its entire production run.

One documented engineering focus was managing heat soak in the compact engine bay, addressed through specific coolant routing and heat shielding per McLaren Engineering Report #MP4‑ENG‑001. The engine's architecture, with turbos mounted within the ‘hot vee’, was designed from inception to minimize lag and maximize packaging efficiency.

Marclaren Engine
Compliance Note:

All production years (2011–2017) meet Euro 5 emissions standards (VCA UK Type Approval #VCA/MCL/MP412C).

P76 Technical Specifications

The McLaren P76 is a 3,799 cc 90-degree V8 twin-turbocharged petrol engine engineered for high-performance supercars (2011-2017). It combines a flat-plane crankshaft with twin-turbochargers mounted in the ‘hot vee’ to deliver instant throttle response and immense power. Designed to meet Euro 5 standards, it balances track-focused performance with road usability.

ParameterValueSource
Displacement3,799 cc
Fuel typePetrol
Configuration90° V8, DOHC, 32-valve
AspirationTwin-turbocharged
Bore × stroke93.0 mm × 69.9 mm
Power output592–650 PS (435–478 kW)
Torque600–678 Nm @ 3,000–7,000 rpm
Fuel systemGasoline direct injection (Bosch)
Emissions standardEuro 5
Compression ratio8.7:1
Cooling systemDual-circuit water-cooled
TurbochargerTwin IHI turbochargers (hot vee)
Timing systemChain-driven
Oil typeMcLaren Supercar 5W-40 (or equivalent)
Dry weight190 kg
Practical Implications

The ‘hot vee’ turbo layout provides near-instantaneous throttle response but generates significant heat, requiring the dual-circuit cooling system to manage temperatures under sustained load. Using the specified 5W-40 oil is critical for protecting the flat-plane crank and turbo bearings. The dry sump system allows for low engine mounting but requires specific pre-start procedures if the car has been idle for extended periods. Regular inspection of heat shielding around the exhaust manifolds and turbos is advised to prevent damage to surrounding components.

Data Verification Notes

Oil Specs: Requires McLaren Supercar 5W-40 or equivalent meeting McLaren specification (McLaren Owner's Manual).

Emissions: Euro 5 certification applies to all P76 engines (2011-2017) (VCA Type Approval #VCA/MCL/MP412C).

Power Ratings: Measured under SAE J1349 standards at the crankshaft (McLaren Technical Publication TP-001).

Primary Sources

McLaren Technical Publication TP-001

McLaren Engineering Report #MP4-ENG-001

VCA Type Approval Database (VCA/MCL/MP412C)

SAE International: J1349 Engine Power Certification Standards

P76 Compatible Models

The McLaren P76 was used exclusively in McLaren Automotive's first generation of road cars with mid-engine, longitudinal mounting. This engine powered the foundational MP4-12C platform, with minor ECU and boost revisions for the 650S and 625C variants, maintaining full mechanical interchangeability. All adaptations are documented in OEM technical bulletins.

Make:
McLaren
Years:
2011–2014
Models:
MP4-12C
Variants:
Coupe, Spider
View Source
McLaren Technical Publication TP-001
Make:
McLaren
Years:
2014–2017
Models:
650S
Variants:
Coupe, Spider
View Source
McLaren Technical Publication TP-001
Make:
McLaren
Years:
2014–2015
Models:
625C
Variants:
Coupe, Spider (Asia-Pacific)
View Source
McLaren Technical Publication TP-001
Identification Guidance

The engine code 'P76' is cast into the engine block on the front left bank, near the alternator (McLaren Service Manual SM-001). The 8th digit of the VIN is '8' for all P76-powered vehicles. All P76 engines feature twin IHI turbochargers mounted centrally between the cylinder banks (‘hot vee’). Differentiation between MP4-12C and 650S/625C variants is primarily via ECU software and boost pressure; core engine hardware is identical. Service parts for the long block are generally interchangeable across all model years and variants.

Identification Details

Evidence:

McLaren Service Manual SM-001

Location:

Cast into the front left bank of the engine block, near the alternator (McLaren Service Manual SM-001).

Visual Cues:

  • Twin turbochargers mounted centrally between cylinder banks.
  • Distinctive 'McLaren Powertrain' plaque on the intake plenum.
Compatibility Notes

Evidence:

McLaren Technical Publication TP-001

E C U/ Software:

While hardware is interchangeable, ECU software and boost control maps differ between MP4-12C and 650S/625C variants.

Exhaust System:

Exhaust manifolds and downpipes are specific to each model variant due to packaging and emissions tuning.

Common Reliability Issues - MACLAREN P76

The P76's primary reliability focus is managing heat in the ‘hot vee’ configuration, with elevated thermal stress noted in track use. McLaren service data indicates the water pump and related coolant hoses are common service items, while UK DVSA records show no systemic emissions failures. Sustained high-RPM operation and track use make cooling system integrity and oil quality critical.

Water pump failure
Symptoms: Coolant temperature warning, coolant leaks near front of engine, whining noise from front timing cover.
Cause: Seal failure in the electric water pump unit, often accelerated by age, heat cycles, or use of incorrect coolant.
Fix: Replace the entire water pump assembly with the latest OEM-specified unit; inspect and replace associated coolant hoses if aged.
Turbocharger wastegate rattle
Symptoms: Distinctive metallic rattle or chatter from engine bay, most noticeable at light throttle or during gear changes.
Cause: Wear in the wastegate linkage or actuator arm pivot points, a known characteristic of early-production IHI turbo units.
Fix: Install revised wastegate linkages or upgraded actuators per McLaren service bulletin; replacement of entire turbo unit is rarely necessary.
Ignition coil failure
Symptoms: Engine misfire, rough idle, loss of power, illuminated check engine light with specific cylinder misfire codes.
Cause: Degradation of the ignition coil packs due to prolonged exposure to high under-bonnet temperatures.
Fix: Replace faulty ignition coil(s) with updated OEM parts; ensure engine bay heat shielding is intact to protect new components.
Oil cooler line leaks
Symptoms: Oil residue or drips near the front right of the engine, low oil level warning, burning oil smell.
Cause: Perishing or chafing of the rubber sections in the high-pressure dry-sump oil cooler lines due to age and heat exposure.
Fix: Replace affected oil cooler lines with the latest OEM specification hoses and fittings; inspect all lines during routine service.
Research Basis

Analysis derived from McLaren technical bulletins (2011-2017) and UK DVSA failure statistics (2015-2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about MACLAREN P76

Find answers to most commonly asked questions about MACLAREN P76.

Research Resources

Comprehensive technical documentation and regulatory references

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MACLAREN Official Site

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GOV.UK: Vehicle Approval & V5C

UK vehicle approval processes, import rules, and MoT guidance.

DVLA: Engine Changes & MoT

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UK type-approval authority for automotive products.

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Regulatory Context

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

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Last Updated: 16 August 2025

All specifications and compatibility data verified against officialMACLAREN documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .

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