The Volkswagen AGZ is a 2,771 cc, VR6 petrol engine produced between 1995 and 1998. It features a unique narrow — angle V6 layout, single overhead camshaft per cylinder bank, and multi — point fuel injection. This design delivers a compact footprint with smooth, linear power delivery characteristic of a six — cylinder engine.
Fitted primarily to the B5 Passat and Corrado VR6, the AGZ was engineered for refined performance and effortless cruising. Emissions compliance for…
Volkswagen
Production years 1995–1998 meet Euro 2 standards .
The Volkswagen AGZ is a 2,771 cc VR6 petrol engine engineered for mid-size sedans and coupes (1995-1998). It combines a compact 15° V6 architecture with multi-point fuel injection to deliver smooth, linear power delivery. Designed to meet Euro 2 standards, it balances performance with the emissions requirements of its production era.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,771 cc | |
Fuel type | Petrol | |
Configuration | VR6, SOHC, 12-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 82.0 mm × 86.4 mm | |
Power output | 125 kW (170 PS) | |
Torque | 245 Nm @ 4,200 rpm | |
Fuel system | Bosch Motronic MPI | |
Emissions standard | Euro 2 | |
Compression ratio | 10.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | None | |
Timing system | Chain-driven (single chain) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 162 kg |
The Volkswagen AGZ was used across Volkswagen's B5 platform with longitudinal mounting. This engine received platform-specific adaptations-reinforced engine mounts in the Passat for NVH refinement-and no significant facelift revisions during its production run, ensuring broad interchangeability. 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.
The most common questions about engine codes, what they mean, how to find them and how this database works
The AGZ is generally robust, with its 12-valve VR6 design known for longevity when properly maintained. The main long-term concerns are ignition system components (coil, distributor) and potential oil sludge if service intervals are neglected. With proactive maintenance, these engines can easily exceed 200,000 km.
The most frequent issues are ignition coil pack failure, worn distributor caps/rotors, and intake manifold runner valve malfunctions. Oil sludge buildup is a serious but preventable problem linked to poor maintenance. These are well-documented in Volkswagen service bulletins.
The AGZ engine was primarily used in the Volkswagen Passat (B5) from 1996 to 1998 and the Volkswagen Corrado VR6 from 1995 to 1996. It was the standard 2.8L engine for these models before the introduction of the 30-valve variant.
Yes, but gains are modest. Basic ECU remaps can yield 10-15 kW. More significant power increases require intake/exhaust upgrades and are limited by the 12-valve head's airflow. It's often more cost-effective to swap to a 30-valve engine for serious performance gains.
Fuel economy is moderate for its era and size. Expect around 10.5 L/100km (27 mpg UK) in city driving and 7.5 L/100km (38 mpg UK) on the highway in a Passat. Real-world combined figures typically range from 30-35 mpg UK, depending heavily on driving style.
Yes. The AGZ is an interference engine. If the timing chain were to fail (which is rare), the pistons would collide with the open valves, causing catastrophic internal engine damage. This underscores the importance of addressing any unusual engine noises.
Volkswagen specifies oil meeting VW 502 00 (or 501 01) standard, typically a 5W-40 synthetic or semi-synthetic. Using the correct oil and changing it every 10,000-15,000 km is crucial to prevent sludge buildup and ensure engine longevity.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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.
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