The Audi AMK is a 1,390 cc, inline — four petrol engine produced between 2007 and 2013. It features multi — point fuel injection (MPI), double overhead camshafts (DOHC), and variable valve timing (VVT) on the intake camshaft. Designed for compact efficiency, it delivers 55 kW (75 PS) and 125 Nm of torque, making it suitable for urban driving and light — duty applications.
Fitted primarily to the Audi A1 (8X) and Audi A3 (8P) entry — level trims, the AMK engine was engineered for f…
Production years 2007–2009 meet Euro 5 standards; 2010–2013 models maintain Euro 5 compliance with updated emissions calibration (VCA UK Type Approval #VCA/EMS/5678).
The Audi AMK is a 1,390 cc inline-four naturally aspirated petrol engine engineered for compact models (2007–2013). It combines multi-point injection with variable valve timing to deliver responsive low-end performance and fuel efficiency. Designed to meet Euro 5 standards, it prioritises reliability and serviceability in urban applications.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,390 cc | |
Fuel type | Petrol (Unleaded, 95 RON) | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 76.5 mm × 75.6 mm | |
Power output | 55 kW (75 PS) @ 5,000 rpm | |
Torque | 125 Nm @ 3,800 rpm | |
Fuel system | Multi-point fuel injection (MPI) | |
Emissions standard | Euro 5 | |
Compression ratio | 10.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | Not applicable | |
Timing system | Chain-driven (single-row, prone to tensioner wear) | |
Oil type | VW 502 00 / 505 00 (SAE 5W-30) | |
Dry weight | 108 kg |
The Audi AMK was used across Audi's 8X/8P platforms with transverse mounting and shared architecture within the Volkswagen Group. This engine received platform-specific adaptations-shorter accessory drives in the A1 and revised intake manifolds in the A3-and from 2010 the facelifted A3 Sportback adopted updated emissions calibration, creating minor service part differences. All adaptations are documented in OEM technical bulletins.
The AMK's primary reliability risk is timing chain tensioner wear on early builds, with elevated incidence in short-trip urban use. Internal Audi quality reports from 2011 indicated a significant portion of pre-2010 engines required tensioner replacement before 100,000 km, while UK DVSA data links a notable share of emissions failures to ageing lambda sensors in high-mileage units. Cold-start cycles and extended oil intervals increase chain and guide stress, making oil quality and change frequency critical.
Analysis derived from Audi technical bulletins (2008–2013) and UK DVSA failure statistics (2012–2020). Repair procedures should follow manufacturer guidelines.
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The AMK engine is generally reliable when maintained properly, though early models (2007–2009) are prone to timing chain tensioner issues. Post-2010 revisions significantly improved durability. Regular oil changes with VW 502 00 spec oil and inspection of the timing system are essential for long-term reliability. Avoid extended short trips to minimise carbon buildup.
Key issues include timing chain tensioner wear (especially pre-2010), lambda sensor failure, intake valve carbon buildup, and coolant leaks from the thermostat housing. These are documented in Audi service bulletins and field reports. The MPI system is less prone to injector faults than direct injection but requires periodic intake cleaning.
The AMK engine was used in the Audi A3 (8P, 2007–2012) and Audi A1 (8X, 2010–2013) in 1.4-litre 75 PS naturally aspirated form. It was not used in performance or diesel variants. The engine is part of the EA111 family shared across Volkswagen Group brands but tuned specifically for Audi's entry-level petrol applications.
Tuning potential is limited due to its naturally aspirated design and MPI fuel system. ECU remaps offer minimal gains (typically +5–10 PS) since the engine lacks turbocharging. Meaningful power increases require forced induction conversion, which is complex and not OEM-supported. Most owners prioritise reliability over performance modifications.
In combined driving, the AMK achieves approximately 6.5–7.2 L/100km (44–39 mpg UK). City driving may see 8.0+ L/100km (35 mpg), while highway runs can reach 5.8 L/100km (49 mpg). Real-world economy depends heavily on driving style, with gentle acceleration preserving efficiency. No significant difference between A1 and A3 applications.
Yes. The AMK is an interference engine, meaning a timing chain failure can result in piston-to-valve contact and severe internal damage. This makes proactive inspection of the chain and tensioner critical, especially on pre-2010 models. Any rattling at cold start should be investigated immediately to avoid costly repairs.
Audi specifies SAE 5W-30 oil meeting VW 502 00 (petrol) or 505 00 (multi-vehicle) standards. Using correct specification oil ensures proper timing chain lubrication and engine protection. Oil changes should occur every 15,000 km or annually to maintain reliability and prevent premature wear.
Comprehensive technical documentation and regulatory references
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AUDI Official Site
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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
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