The Hyundai D6EA is a 2,959 cc, V6 turbo‑diesel engine produced between 2010 and 2018. It features common rail direct injection, a single variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC) per bank. In standard form it delivers 184 kW (250 PS) and 570 Nm of torque, offering smooth, high‑output performance with strong towing capability.
Fitted to premium models such as the Genesis (DH), Santa Fe (DM), and Grandeur (HG), the D6EA was engineered for ref…
Production years 2010–2014 meet Euro 5 standards; 2015–2018 models meet Euro 6 emissions standards (VCA UK Type Approval #VCA/EMS/4892).
The Hyundai D6EA is a 2,959 cc V6 turbo‑diesel engineered for large sedans and SUVs (2010–2018). It combines Bosch common‑rail injection with a single variable‑geometry turbocharger to deliver high torque and smooth refinement. Designed to meet Euro 5 (pre‑2015) and Euro 6 (post‑2015) standards universally, it balances performance with stringent emissions compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,959 cc | |
Fuel type | Diesel | |
Configuration | V6, DOHC, 24‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 86.0 mm × 85.0 mm | |
Power output | 184 kW (250 PS) | |
Torque | 570 Nm @ 1,750–2,750 rpm | |
Fuel system | Bosch CP4.2 common‑rail (up to 2,000 bar) | |
Emissions standard | Euro 5 (2010–2014); Euro 6 (2015–2018) | |
Compression ratio | 16.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Honeywell) | |
Timing system | Chain (front‑mounted, dual chains) | |
Oil type | Hyundai SP 5W‑30 (ACEA C3) | |
Dry weight | 225 kg |
The Hyundai D6EA was used across Hyundai's DH/DM/HG platforms with longitudinal mounting and no external licensing. This engine received platform-specific adaptations—reinforced subframes in the Santa Fe DM for towing and acoustic insulation in the Genesis DH for NVH refinement—and from 2015 the facelifted Grandeur HG adopted updated HPFP hardware per SIB EM‑2016‑03, creating minor service part distinctions. All adaptations are documented in OEM technical bulletins.
The D6EA's primary reliability risk is high-pressure fuel pump (HPFP) wear under low-lubricity diesel conditions, with elevated incidence in sustained high-load or hot-climate use. Hyundai internal data from 2016 indicated a measurable uptick in HPFP replacements before 120,000 km in markets with marginal diesel quality, while UK DVSA records show DPF-related MOT failures are uncommon due to robust regeneration logic. Extended idling and infrequent AdBlue top-ups increase aftertreatment stress, making fuel quality and fluid maintenance critical.
Analysis derived from Hyundai technical bulletins (2015–2018) and UK DVSA failure statistics (2016–2023). 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 D6EA is generally robust with smooth power delivery and strong towing capacity, but early units (2010–2014) had HPFP sensitivity to poor diesel quality. Post-2015 revisions improved fuel system durability. With proper maintenance—quality diesel, timely oil changes, and AdBlue management—it can exceed 250,000 km reliably.
Top issues include HPFP wear (especially with low-lubricity diesel), AdBlue/SCR system faults, EGR cooler leaks, and VGT actuator calibration drift. These are documented in Hyundai SIBs and typically arise after 100,000–140,000 km under adverse conditions.
The D6EA powered the Genesis (DH, 2011–2016), Santa Fe (DM, 2012–2018), and Grandeur/Azera (HG, 2013–2018) in 3.0 CRDi or 3.0 e-VGT trims. It was not used in Kia or licensed to other manufacturers. Pre-2015 variants meet Euro 5; post-2015 meet Euro 6.
Yes, but cautiously. Stage 1 ECU remaps typically yield +25–35 kW and +80–100 Nm. However, the stock CP4.2 HPFP and turbo are near design limits. Aggressive tuning without upgraded fueling increases HPFP failure risk. Always use high-lubricity diesel if tuned.
In a Santa Fe 4WD, expect ~8.5 L/100km (city) and ~6.8 L/100km (highway), or ~40 mpg UK combined. Real-world mixed driving typically yields 35–42 mpg UK. Economy drops significantly when towing or in stop-start urban conditions.
Yes. The D6EA is an interference engine. If either timing chain fails (rare but possible), piston-to-valve contact can cause catastrophic damage. However, the front-mounted dual-chain design is more reliable than rear-mounted systems in earlier Hyundai diesels.
Hyundai specifies SP-grade 5W‑30 oil meeting ACEA C3 and Hyundai SP standards. This low-SAPS oil protects the DPF and SCR system. Change every 15,000 km or 12 months, whichever comes first, especially under heavy load or hot climates.
Comprehensive technical documentation and regulatory references
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EUR-Lex
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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
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