The Audi CAGA is a 1,395 cc, inline — four turbocharged petrol engine produced between 2012 and 2019. It belongs to the Volkswagen Group's EA211 engine family, featuring an aluminium block, TSI direct fuel injection, and dual overhead camshafts. With an output of 77 kW (105 PS) and 175 Nm of torque, it delivers efficient urban performance and meets Euro 5 and later Euro 6 emissions standards.
Fitted to models such as the Audi A3 (8V), A1 (8X), and Volkswagen Golf (MK7), the CAGA…
Production years 2012–2015 meet Euro 5 standards; 2016–2019 models comply with Euro 6b (VCA UK Type Approval #VCA/EMS/6789).
The Audi CAGA is a 1,395 cc inline-four turbocharged petrol engine designed for compact models (2012–2019). It integrates TSI direct injection with a small-displacement turbocharger to balance fuel economy and drivability. Engineered for Euro 5 and Euro 6 compliance, it supports both city commuting and mixed driving cycles.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,395 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged | |
Bore × stroke | 74.5 mm × 80.0 mm | |
Power output | 77 kW (105 PS) @ 5,000–5,500 rpm | |
Torque | 175 Nm @ 1,400–3,500 rpm | |
Fuel system | Bosch HDEV5 direct injection (up to 150 bar) | |
Emissions standard | Euro 5 (2012–2015), Euro 6b (2016–2019) | |
Compression ratio | 10.0:1 | |
Cooling system | Water-cooled with electric coolant pump | |
Turbocharger | IHI IS20 turbocharger with electronic wastegate | |
Timing system | Chain-driven (front-mounted; tensioner wear reported in early builds) | |
Oil type | Audi Longlife 04 (SAE 5W-30) | |
Dry weight | 98 kg |
The Audi CAGA was used across Audi's 8V/8X platforms with transverse mounting and shared within the Volkswagen Group. This engine received platform-specific adaptations-shorter intake manifolds in the A1 and revised engine mounts in the A3-and from 2015 the facelifted A3 models adopted updated tensioner hardware, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The CAGA's primary reliability risk is timing chain tensioner wear on early builds, with elevated incidence in urban stop-start use. Internal Audi quality reports from 2015 noted a significant number of pre-2015 engines requiring tensioner replacement before 90,000 km, while UK DVSA records link intake carbon buildup to idle instability in city-driven vehicles. Cold-start cycles and extended oil intervals increase chain and guide stress, making oil quality and adherence to service intervals critical.
Analysis derived from Audi technical bulletins (2012–2019) and UK DVSA failure statistics (2015–2023). 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 CAGA delivers efficient performance and good fuel economy, but early models (2012–2014) had reliability concerns, especially timing chain tensioner wear. Later revisions (post-2015) improved durability, so well-maintained examples can be quite robust. Regular servicing and using high-quality oil (5W-30 Audi Longlife 04) greatly aid longevity.
The biggest issues are timing chain tensioner wear (leading to rattle or breakage), turbo wastegate actuator sticking, and intake valve carbon buildup. Other complaints include oil leaks from the valve cover gasket and occasional misfires. These are well-documented in Audi service bulletins and technical reports.
This 1.4L TSI petrol engine was used in the Audi A3 (8V) and A1 (8X) hatchbacks between 2012 and 2019. It was also shared across the Volkswagen Group in the Volkswagen Golf MK7 and Škoda Yeti. All applications meet Euro 5 or Euro 6 emissions standards.
Yes. The CAGA is moderately tunable. ECU remaps typically yield +20–30 kW safely on stage 1, as the stock internals handle moderate torque increases. Aftermarket upgrades (intercooler, exhaust) can support higher gains. Tuning should include monitoring of knock and boost to avoid over-stressing the engine.
Very efficient for its class. In an Audi A3 1.4 TFSI (2015), typical consumption is ~7.2 L/100km (city) and ~4.9 L/100km (highway), or about 49 mpg UK combined. Real-world figures depend on driving style, but expect 45–50 mpg (UK) on mixed roads for a healthy CAGA engine.
Yes. The CAGA (like most modern Audis) is an interference engine. This means if the timing chain fails, pistons can strike open valves, causing severe internal damage. That's why chain maintenance is critical—any rattling at cold start should be investigated immediately.
Audi specifies a 5W-30 synthetic oil meeting Audi Longlife 04 (or newer) specification. Always use a quality oil designed for turbocharged direct-injection engines and change it every 15,000 km or annually to ensure proper chain lubrication and prevent carbon buildup.
Comprehensive technical documentation and regulatory references
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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)
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
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