The Audi DNUE is a 1,968 cc, inline — four turbo — diesel engine produced between 2020 and 2023. 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 360 Nm of torque, with enhanced thermal efficiency and reduced particulate emissions.
Fitted to models such as the…
All production years (2020–2023) meet Euro 6d standards (VCA UK Type Approval #VCA/EMS/9123).
The Audi DNUE is a 1,968 cc inline-four turbo-diesel engineered for transverse-mounted applications in compact and mid-size models (2020–2023). 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 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 | 360 Nm @ 1,750–3,000 rpm | |
Fuel system | Bosch CRS 2.0 common-rail (up to 1,800 bar) | |
Emissions standard | Euro 6d | |
Compression ratio | 16.5:1 | |
Cooling system | Water-cooled with dual-circuit thermostat | |
Turbocharger | Single variable-geometry turbo (Honeywell) | |
Timing system | Roller chain (two-stage tensioner) | |
Oil type | VW 504 00 / 507 00 (SAE 5W-30) | |
Dry weight | 149 kg |
The Audi DNUE was used across Audi's B9/FY platforms with transverse mounting. This engine received platform-specific adaptations-shorter intake manifolds in the A4 and revised EGR routing in the Q5-and from 2022, updated regeneration calibration in A6 and A5 variants created interchange limits. All adaptations are documented in OEM technical bulletins.
The DNUE's primary reliability risk is diesel particulate filter (DPF) substrate degradation, with elevated incidence in vehicles used primarily for short urban trips. Internal Audi quality reports from 2022 noted a significant number of pre-2022 units requiring DPF replacement before 100,000 km, while UK DVSA data links DPF-related faults to a notable share of emissions test failures. Frequent cold starts and poor regeneration practices increase thermal stress, making regular highway driving and software updates critical.
Analysis derived from Audi technical bulletins (2020-2023) and UK DVSA failure statistics (2021-2024). 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 DNUE is generally reliable when maintained properly, but pre-2022 models are prone to DPF substrate degradation under frequent short-trip driving. Later variants show improved regeneration logic. Regular oil changes with VW 504 00 oil, DPF maintenance, and highway driving to support passive regeneration significantly extend engine life beyond 200,000 km.
The most documented issues are DPF clogging, turbo actuator sticking, EGR valve coking, and valve cover oil leaks. These are confirmed in Audi service bulletins and field reports. DPF and EGR issues are more prevalent in city-driven vehicles with frequent cold starts and short journeys.
The DNUE was used in the A4 (B9), A5 (F5), A6 (C8), and Q5 (FY) from 2020 to 2023. It was phased out in favor of updated EA288 variants with improved emissions systems. All applications are 2.0 TDI 150 PS, with full Euro 6d compliance across the production run.
Yes. The DNUE 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 (2021), combined consumption is ~4.6 L/100km (~61 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 DNUE 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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Regulation (EC) No 715/2007
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