The Audi DFTA is a 1,968 cc, inline — four turbo — diesel engine produced between 2019 and 2023. It belongs to the Volkswagen Group’s EA288 evo engine family, featuring common rail direct injection, a variable geometry turbocharger (VGT), and a cast — iron block with an aluminium head. In standard tune it delivers 140 kW (190 PS) with peak torque of 400 Nm available from 1,750 rpm, providing strong low — end pull ideal for daily driving and towing applications.
Fitted to models i…
All DFTA models comply with Euro 6d (2019–2023) depending on market (VCA UK Type Approval #VCA/EMS/9012).
The Audi DFTA is a 1,968 cc inline-four turbo-diesel engine engineered for longitudinal applications (2019–2023). It combines common rail injection with a variable geometry turbocharger to deliver strong low-end torque and efficient cruising. Designed to meet Euro 6d standards, it balances performance with emissions compliance in premium front- and all-wheel-drive platforms.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,968 cc | |
Fuel type | Diesel | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged with variable geometry turbo (VGT) | |
Bore × stroke | 81.0 mm × 95.5 mm | |
Power output | 140 kW (190 PS) @ 3,250–4,200 rpm | |
Torque | 400 Nm @ 1,750–3,000 rpm | |
Fuel system | Bosch CRS 2-20 common rail (up to 2,000 bar) | |
Emissions standard | Euro 6d (2019–2023) | |
Compression ratio | 16.5:1 | |
Cooling system | Water-cooled with dual-circuit thermal management | |
Turbocharger | Garrett variable geometry turbo with integrated EGR | |
Timing system | Chain-driven (maintenance-free design) | |
Oil type | Audi Longlife Diesel VW 507.00 (SAE 0W-30) | |
Dry weight | 172 kg |
The Audi DFTA was used across Audi's C8/4K platforms with longitudinal mounting and shared within the Volkswagen Group for premium applications. This engine received platform-specific adaptations-tuned throttle response in the A7 and revised cooling circuits in the Q7-and from 2021 the facelifted C8.5 revision introduced updated ECU calibration and SCR monitoring, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The DFTA's primary reliability risk is DPF clogging in urban-driven vehicles, with elevated incidence in stop-start city use. Internal Audi quality reports from 2021 indicated a notable share of pre-2020 engines requiring DPF cleaning before 100,000 km, while UK DVSA records show increased emissions-related failures in SCR-equipped post-2020 models. Frequent short trips and delayed oil changes increase soot and thermal stress, making driving pattern and service interval adherence critical.
Analysis derived from Audi technical bulletins (2019-2023) and UK DVSA failure statistics (2020-2023). Repair procedures should follow manufacturer guidelines.
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The DFTA is generally reliable when maintained properly, but DPF clogging is common in city-driven vehicles. Later models (post-2020) benefit from revised ECU calibration and improved regeneration logic. Regular oil changes using Audi Longlife Diesel VW 507.00 (0W-30) and periodic highway driving are essential for long-term reliability.
Key issues include DPF clogging, high-pressure fuel injector coking, EGR system fouling, and AdBlue dosing faults. These are documented in Audi technical bulletins and field reports, with preventative maintenance being critical. Urban driving exacerbates DPF and EGR issues, while poor fuel quality accelerates injector wear.
The DFTA engine was used in the Audi A6 (C8, 2019–2023), A7 (4K, 2019–2023), and Q7 (4M, 2019–2023), all in 45 TDI configuration. It was also shared across Volkswagen Group brands including the Porsche Cayenne. Applications vary by emissions standard and model year.
Yes. The DFTA responds well to ECU remapping, with stage 1 tunes typically adding +30–40 kW safely. Stock internals are robust, but supporting modifications like improved cooling and exhaust are recommended for higher power levels. Tuning should be performed by specialists familiar with EA288 evo engine management.
In combined driving, the DFTA achieves approximately 5.8–6.4 L/100 km (49–44 mpg UK). Real-world consumption varies by model and driving style, with A6 and Q7 typically returning 40–45 mpg UK on mixed routes. Highway efficiency is moderate due to vehicle weight and all-wheel-drive systems.
Yes. The DFTA is an interference engine, meaning piston-to-valve contact will occur if the timing chain fails or jumps. This can result in severe internal damage. Maintaining the engine per Audi specifications, including oil changes and regeneration cycles, is critical to avoid costly repairs.
Audi specifies SAE 0W-30 oil meeting Longlife Diesel VW 507.00 specification. This low-SAPS oil is formulated to protect turbo bearings, prevent DPF ash accumulation, and support SCR system longevity. Oil changes should be performed every 15,000 km or annually, whichever comes first.
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
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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
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
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