The Audi DRJA is a 1,968 cc, inline — four turbo — diesel engine produced between 2018 and 2023. It belongs to the Volkswagen Group's EA288 evo engine family, designed for modular application across transverse and longitudinal platforms. Featuring common rail direct injection, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC), it delivers 110 kW (150 PS) in standard tune, with peak torque of 360 Nm available from 1,750 rpm.
Fitted to models such a…
Production years 2018–2020 meet Euro 6d-TEMP standards; 2021–2023 models comply with Euro 6d depending on market (VCA UK Type Approval #VCA/EMS/5683).
The Audi DRJA is a 1,968 cc inline-four turbo-diesel engineered for compact and mid-size models (2018-2023). It combines common-rail direct injection with a variable-geometry turbocharger to deliver responsive low-RPM performance and improved fuel efficiency. Designed to meet Euro 6d-TEMP and 6d standards, it integrates advanced aftertreatment for clean operation.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,968 cc | |
Fuel type | Diesel | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged with VGT | |
Bore × stroke | 81.0 mm × 95.5 mm | |
Power output | 110 kW (150 PS) @ 3,250–4,000 rpm | |
Torque | 360 Nm @ 1,750–3,000 rpm | |
Fuel system | Bosch CRS 2-20 common-rail (up to 2,000 bar) | |
Emissions standard | Euro 6d-TEMP (pre-2021); Euro 6d (2021–2023) | |
Compression ratio | 16.5:1 | |
Cooling system | Water-cooled | |
Turbocharger | Single variable-geometry turbo (BorgWarner KP35) | |
Timing system | Double-row roller chain (long-life design) | |
Oil type | VW 504 00 / 507 00 (SAE 5W-30) | |
Dry weight | 168 kg |
The Audi DRJA was used across Audi's B9/C8/FY platforms with longitudinal mounting and shared within the Volkswagen Group for longitudinal applications. This engine received platform-specific adaptations-integrated AdBlue tank in C8 and revised EGR routing in FY-and from 2021 the updated C8 facelift adopted Euro 6d-compliant tuning with enhanced SCR control, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The DRJA's primary reliability risk is high-pressure fuel pump (HPFP) wear, with elevated incidence in early production units. Internal Audi service data from 2020 indicated over 18% of pre-2020 units required HPFP replacement before 100,000 km, while UK DVSA records show SCR-related faults as a leading cause of Euro 6 MOT failures. Short-trip cycles and infrequent AdBlue refills increase soot and NOx accumulation, making regular maintenance and longer runs critical.
Analysis derived from Audi technical bulletins (2018-2022) and UK DVSA failure statistics (2019-2023). Repair procedures should follow manufacturer guidelines.
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The DRJA is generally robust with proper maintenance. Early models (pre-2020) are prone to high-pressure fuel pump wear, especially with poor fuel quality. Post-2020 revisions improved HPFP durability. Using correct oil (VW 504 00) and regular longer runs help prevent DPF and EGR issues. With adherence to service schedules, 200,000 km+ longevity is achievable.
The most frequent issues are high-pressure fuel pump wear, AdBlue/SCR system faults, EGR and intake carbon buildup, and turbo actuator sticking. These are documented in Audi service bulletins. Fuel pump issues stem from lubrication and fuel quality; SCR faults often result from low AdBlue. Regular inspection and correct fluid use mitigate most risks.
The DRJA was used in the Audi A4 (B9), A6 (C8), and Q5 (FY) from 2018 to 2023. It appears as 35 TDI in all variants. All models feature common-rail injection, VGT, and SCR with AdBlue. It is not used in S or RS models. The engine was phased out in favour of EA288 evo variants with improved emissions control.
Yes. The DRJA responds well to ECU remapping, with stage 1 tunes typically adding +25-40 kW. The EA288 evo block and internals are strong, but increased power raises exhaust temperatures. Upgraded cooling and careful tuning are recommended. Reputable tuners offer lifetime warranties. Avoid excessive tuning without supporting modifications.
In real-world conditions, expect 5.3–6.1 L/100km (44–39 mpg UK) depending on model and driving style. The A4 35 TDI achieves up to 55 mpg UK on highways. Combined figures range from 43–51 mpg UK. SCR system and DPF regeneration slightly reduce efficiency in city driving. Use of AdBlue does not affect fuel economy.
Yes. The DRJA is an interference engine. If the timing chain fails or jumps, piston-to-valve contact will occur, resulting in severe internal damage. While the double-row roller chain is designed for long life, any signs of chain wear or tensioner failure must be addressed immediately to prevent catastrophic engine failure.
The DRJA requires VW 504 00 or 507 00 specification oil (typically SAE 5W-30). This low-ash formulation is critical for DPF protection and longevity. Oil changes should be performed every 15,000 km or annually. Using non-compliant oil can lead to DPF clogging and increased maintenance costs.
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
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