Covers Bentley petrol and hybrid engines used across UK and European models - from classic L-series V8 to modern W12 and Volkswagen Group-sourced V8 turbocharged units. Each engine code includes specifications, compatible vehicles, and emissions data, sourced from official Bentley, Volkswagen Group and EU records.
Data sourced from Bentley Motors Technical Documentation, Volkswagen Group Technical Documentation, EU Regulation (EC) No 715/2007, and Bentley Workshop Manuals.
Find Bentley engine codes by family, model, or generation
| Engine Code | Fuel Type | Series | Specifications |
|---|
See where Bentley powertrains are shared across Audi, Porsche, and Volkswagen.
Explore Bentley's electrified powertrain technologies.
Engine specifications and technical data sourced from Bentley Motors Technical Documentation, Volkswagen Group Technical Documentation and EU Vehicle Type Approval Database. Consult vehicle documentation or professional guidance before undertaking mechanical work. Report errors or omissions through our contact channels.
Engine Finders UK Ltd, which operates EngineCode.uk, can pass your enquiry to engine suppliers in the UK. The service is for vehicles in the United Kingdom, with UK delivery or fitting. This is a commercially connected service, and sending an enquiry does not confirm diagnosis or compatibility.
The engine code is essential for ordering parts, diagnosing issues, and verifying compatibility. It is not the same as the VIN or chassis number. This guide shows exactly where to find it - by model and engine type - using official Bentley and DVLA sources
A unique identifier stamped on the engine block or cover used for parts and service.
The vehicle identification number that holds encoded vehicle and engine information.
The chassis or frame number used for registration and legal identification.
Locate the engine code on a white label attached to the front valve cover, visible when looking at the front of the engine. It reads 'W12' or similar. The code may also be stamped into the engine block near the oil filter housing.
The engine code is located on a label attached to the timing cover near the turbocharger. It references the Volkswagen Group V8 architecture. Also check the data sticker in the boot or driver's door jamb.
Open the bonnet and look at the intake manifold area. The engine code is on a white label near the turbocharger and electric motor integration point. Confirm 'Hybrid' designation for plug-in hybrid variants.
The engine code is cast into the front of the cylinder head, near the thermostat housing. Look for 'L4328T' or similar. The code may also appear on a label attached to the camshaft cover.
Engine code locations per Bentley Motors Workshop Manual. V5C field definitions from DVLA Guide to Vehicle Registration. VIN structure compliant with EU Regulation (EC) No 715/2007, Article 7. Note: Post-2003 Bentleys use Volkswagen Group VIN coding.
A technical breakdown of Bentley's core engine systems including W12 architecture, VW Group V8 integration, timing systems and Hybrid electrification with documented reliability impacts. All data sourced from Bentley Motors Technical Documentation, VW Group ELSA/WIS and EU Regulation (EC) No 715/2007
Bentley's W12 engine combines two narrow-angle VR6 banks at 72°, creating a compact 6.0L twelve-cylinder powerplant. Introduced in 2003, it delivers exceptional smoothness and torque for luxury grand touring applications.
Two VR6 cylinder banks share a common crankshaft and cylinder head design. Twin turbochargers provide forced induction. Direct injection and variable valve timing optimise efficiency. Compact packaging enables transverse mounting in Bentley platforms.
6.0L W12 (2003)
552 HP, twin-turbo, port injection
6.0L W12 (2011)
567 HP, direct injection, revised turbos
6.0L W12 (2018)
626 HP, cylinder deactivation, Euro 6d
Turbocharger wear
Early units (2003–2010): bearing wear, oil feed line leaks
Cooling system leaks
Water pump, thermostat housing seals common wear items
HPFP failure
High-pressure fuel pump service item at 100,000+ miles
Bentley's W12 engine combines two narrow-angle VR6 banks at 72°, creating a compact 6.0L twelve-cylinder powerplant. Introduced in 2003, it delivers exceptional smoothness and torque for luxury grand touring applications.
Two VR6 cylinder banks share a common crankshaft and cylinder head design. Twin turbochargers provide forced induction. Direct injection and variable valve timing optimise efficiency. Compact packaging enables transverse mounting in Bentley platforms.
6.0L W12 (2003)
552 HP, twin-turbo, port injection
6.0L W12 (2011)
567 HP, direct injection, revised turbos
6.0L W12 (2018)
626 HP, cylinder deactivation, Euro 6d
Turbocharger wear
Early units (2003–2010): bearing wear, oil feed line leaks
Cooling system leaks
Water pump, thermostat housing seals common wear items
HPFP failure
High-pressure fuel pump service item at 100,000+ miles
All technical descriptions and failure data sourced from Bentley Motors Product Technical Reports, VW Group ELSA/WIS Service Information, and EU Regulation (EC) No 715/2007 on vehicle type-approval.
Authoritative data on Bentley's global engine production, plant operations, and strategic partnerships within Volkswagen Group. All figures sourced from Bentley Motors Annual Reports, Volkswagen Group Sustainability Reports, and EU industrial compliance records.
Bentley manufactures and assembles engines primarily at its Crewe facility, with Volkswagen Group-sourced components integrated from German plants.
Bentley produces approximately 15,000 engines per year. Note the steady increase in Hybrid production as part of Bentley's Beyond100 electrification strategy.
Note: W12 production ceased in 2024. Hybrid and V8 production rising in line with Bentley's electrification strategy and EU emissions policy.
Strategic platform and powertrain sharing across Volkswagen Group brands. Bentley benefits from VW Group's V8 architecture, hybrid systems, and electrification technology while maintaining unique calibration and assembly at Crewe.
V8 4.0L TFSI based on EA888 evo, used in Bentley, Audi, Porsche with brand-specific tuning
V8 blocks built in Germany, final assembly and calibration at Bentley Crewe
Bentley Motors Platform Strategy Documentation
Shift in production reflects Bentley's Beyond100 electrification strategy and changing consumer demand.
This aligns with Commission Regulation (EU) 2017/1151 (WLTP/RDE) and Bentley's Beyond100 electrification roadmap.
Engine production years verified via Bentley Motors Product Reports and EU type-approval records
The most common questions about engine codes, what they mean, how to find them and how this database works
Confirm the full engine designation using vehicle-specific manufacturer records and the engine marking. An engine serial number, a registration record and a marketed power badge are not automatically the same identifier. Match the VIN/build data and the installed engine before selecting parts or a replacement.
No. A factory-application reference and a replacement-interchange decision are different. Match the full engine designation, vehicle build data, emissions equipment, controls and relevant supplier/OEM information.
No. Records have different review states. Read the correction notice, source scope and application limits on the individual record. Missing technical fields must not be inferred from similar engine codes.
EngineCode.uk provides reference information about Bentley engines. It is operated by Engine Finders UK Ltd and also offers an optional replacement-engine enquiry service. Technical information can contain errors or omissions. Check the sources and verification notes for the relevant record, and confirm the details for your vehicle before buying parts or arranging work.
EngineCode.uk is a reference website operated by Engine Finders UK Ltd. It is not an official manufacturer website and is not endorsed by the manufacturers whose engines it describes. Manufacturer names and trademarks are used to identify the subjects covered. Our ownership and any commercial routes are explained in our Ownership and Commercial Disclosure.
Images and other material may be protected by copyright. Attribution does not by itself grant permission to reuse material. If you believe material on this site infringes your rights, contact copyrights@enginecode.uk with the page URL and details of your claim. We will review the material and take appropriate action.
Our Privacy Policy explains how Engine Finders UK Ltd uses information from visits, vehicle lookups, enquiries and messages. Our Cookie Policy explains cookies and similar technologies and how to change your choices.
EngineCode.uk is owned and operated by Engine Finders UK Ltd. Alongside our reference content, we offer an optional replacement-engine enquiry service through Engine Finders and may identify relevant services provided by businesses connected with us. These commercial connections are disclosed. Using an enquiry service is not required to read our reference content.