The Audi DBKA is a 1,968 cc, inline — four turbo — diesel engine produced between 2015 and 2021. It belongs to the EA288 evo engine family, designed for transverse applications in compact and mid — size Audi models. Featuring common rail direct injection, variable geometry turbocharging (VGT), and dual overhead camshafts (DOHC), it delivers 110 kW (150 PS) and 340 Nm of torque, with enhanced thermal efficiency and reduced particulate emissions.
Fitted to models such as the…
Production years 2015–2018 meet Euro 6c standards; 2019–2021 models comply with Euro 6d-TEMP and Euro 6d (VCA UK Type Approval #VCA/EMS/7890).
The Audi DBKA is a 1,968 cc inline-four turbo-diesel engineered for transverse-mounted applications in compact and mid-size models (2015–2021). It combines common-rail direct injection with a variable geometry turbocharger to deliver responsive low-end torque and improved fuel economy. Designed to meet Euro 6c and Euro 6d emissions standards, it balances performance with environmental compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,968 cc | |
Fuel type | Diesel | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged (VGT) | |
Bore × stroke | 81.0 mm × 95.5 mm | |
Power output | 110 kW (150 PS) @ 3,250–4,200 rpm | |
Torque | 340 Nm @ 1,750–3,000 rpm | |
Fuel system | Bosch CRS 2.0 common-rail (up to 1,800 bar) | |
Emissions standard | Euro 6c (pre-2019), Euro 6d (2019–2021) | |
Compression ratio | 16.5:1 | |
Cooling system | Water-cooled | |
Turbocharger | Single variable-geometry turbo (Honeywell) | |
Timing system | Chain-driven (integrated into cylinder head) | |
Oil type | VW 504 00 / 507 00 (SAE 5W-30) | |
Dry weight | 148 kg |
The Audi DBKA was used across Audi's 8V/B9/FY platforms with transverse mounting. This engine received platform-specific adaptations-shorter intake manifolds in the A3 and revised EGR routing in the Q5-and from 2019, full Euro 6d compliance with updated NOx sensors in A6 and Q5 variants created interchange limits. All adaptations are documented in OEM technical bulletins.
The DBKA's primary reliability risk is HP-EGR valve coking, with elevated incidence in urban driving with frequent cold starts. Internal Audi quality reports from 2017 noted a significant number of pre-2018 units requiring EGR valve cleaning before 90,000 km, while UK DVSA data links EGR-related faults to a notable share of emissions test failures. Short trips and poor maintenance increase carbon buildup, making regular inspection and software updates critical.
Analysis derived from Audi technical bulletins (2015-2020) and UK DVSA failure statistics (2017-2024). Repair procedures should follow manufacturer guidelines.
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The DBKA is generally reliable when maintained properly, but pre-2018 models are prone to HP-EGR valve coking. Later Euro 6d variants show improved durability. Regular oil changes with VW 504 00 oil, EGR system maintenance, and highway driving to support DPF regeneration significantly extend engine life beyond 200,000 km.
The most documented issues are HP-EGR valve coking, turbo actuator sticking, DPF clogging from short trips, and valve cover oil leaks. These are confirmed in Audi service bulletins and field reports. EGR and DPF issues are more prevalent in city-driven vehicles with frequent cold starts.
The DBKA was used in the A3 (8V), A4 (B9), A6 (C7/C8), and Q5 (FY) from 2015 to 2021. It was phased out in favor of updated EA288 variants with improved emissions systems. All applications are 2.0 TDI 150 PS, with Euro 6d compliance added from 2019 in A6 and Q5 models.
Yes. The DBKA responds well to ECU remapping, typically gaining +25–35 kW safely. Stock internals handle increased torque, but supporting mods like upgraded intercoolers and exhausts improve reliability. Tuning should preserve DPF and EGR functions to avoid emissions-related faults.
Excellent. In an A4 2.0 TDI (2016), combined consumption is ~4.7 L/100km (~60 mpg UK). Highway runs can achieve ~4.0 L/100km (~71 mpg UK). Real-world figures range 45–60 mpg UK depending on driving style and DPF regeneration frequency.
Yes. The DBKA is an interference engine. If the timing chain fails or jumps, piston-to-valve contact will occur, causing severe internal damage. Chain maintenance is critical—any unusual noise should prompt immediate inspection.
Audi specifies VW 504 00 or 507 00 (5W-30) low-ash oil. This is essential for protecting the DPF and SCR system. Oil must be changed every 15,000 km or annually to ensure proper lubrication and minimize ash buildup in aftertreatment components.
Comprehensive technical documentation and regulatory references
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EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
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DVLA: Engine Changes & MoT
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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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