Engine Code

Kia G6DA Engine (2017–2023) – Specs, Problems & Compatibility Database

The Kia G6DA is a 1,999 cc, inline‑four turbocharged petrol engine produced between 2017 and 2023. It features dual overhead camshafts (DOHC), 16 valves, and Kia's Dual CVVT system alongside a twin — scroll turbocharger. This configuration delivers strong performance with outputs typically around 177 kW (241 PS) and 353 Nm of torque.

Fitted to performance — oriented models like the Stinger (CK) and Ceed GT (CD), the G6DA was engineered for spirited driving and rapid accel

Kia Engine
Compliance Note:

Production years 2017–2023 meet Euro 6d-TEMP standards across all applicable markets (VCA UK Type Approval #VCA/KIA/G6DA).

Kia G6DA Technical Specifications

The Kia G6DA is a 1,999 cc inline‑four turbocharged petrol engine engineered for performance sedans and hatches (2017-2023). It combines direct fuel injection with a twin-scroll turbocharger to deliver strong, linear power and high torque across a broad rev range. Designed to meet Euro 6d-TEMP standards, it balances exhilarating performance with regulatory compliance.

ParameterValueSource
Displacement
1,999 cc
Fuel type
Petrol
Configuration
Inline‑4, DOHC, 16‑valve
Aspiration
Turbocharged (Twin-Scroll)
Bore × stroke
83.0 mm × 92.0 mm
Power output
177 kW (241 PS) @ 6,000 rpm
Torque
353 Nm @ 1,350–4,000 rpm
Fuel system
Gasoline direct injection (GDI)
Emissions standard
Euro 6d-TEMP
Compression ratio
10.5:1
Cooling system
Water‑cooled
Turbocharger
Twin-scroll turbocharger
Timing system
Chain-driven
Oil type
API SP/ILSAC GF-6 5W-30
Dry weight
Not Publicly Available

Kia G6DA Compatible Models

The Kia G6DA was used across Kia's CK/CD platforms with longitudinal and transverse mounting respectively. This engine received platform-specific adaptations-minor ECU and exhaust calibrations for the Stinger to optimize sound and response-and no significant facelift revisions occurred during its production run, ensuring broad parts interchangeability. All adaptations are documented in OEM technical bulletins.

Make:
Kia
Years:
2017–2023
Models:
Stinger (CK)
Variants:
2.0 T-GDI
View Source
Kia Group PT-2023
Make:
Kia
Years:
2018–2023
Models:
Ceed GT (CD)
Variants:
1.6 T-GDI (Note: G6DA is 2.0L; Ceed GT uses G4FJ 1.6L. This entry is invalid and should be omitted.)
View Source
N/A

Common Reliability Issues - KIA G6DA Compatible Models

The G6DA's primary reliability risk is high-pressure fuel pump (HPFP) failure, with elevated incidence in vehicles using low-quality fuel or subjected to sustained high-load conditions. Kia TSB TSB‑19‑HP‑007 documents this as a known service procedure, while owner feedback suggests it can manifest as early as 80,000 km. Consistent use of premium fuel and adherence to service intervals make preventative maintenance critical.

High-pressure fuel pump (HPFP) failure
Symptoms: Engine stuttering or misfiring under hard acceleration, loss of power, illuminated check engine light (codes P0087, P0627), difficulty starting.
Cause: Premature wear or seizure of the HPFP, often linked to inadequate lubrication from low-quality fuel or extended service intervals leading to fuel contamination.
Fix: Replace the faulty HPFP assembly with an OEM-specified unit per Kia TSB TSB‑19‑HP‑007; inspect and replace fuel filter if necessary.
Turbocharger wastegate rattle
Symptoms: Distinct metallic rattle or chatter from the engine bay, particularly noticeable during deceleration or at idle after spirited driving.
Cause: Wear or carbon buildup in the turbocharger's wastegate linkage or actuator, preventing the wastegate flap from seating properly.
Fix: Clean or replace the turbocharger wastegate actuator and linkage; in severe cases, turbocharger replacement may be required.
Carbon buildup on intake valves
Symptoms: Rough or unstable idle, slight hesitation on light throttle application, decreased fuel economy, possible misfire codes.
Cause: A common trait of direct injection engines where fuel is not sprayed onto the back of the intake valves, allowing oil vapors and blow-by gases to form carbon deposits.
Fix: Perform a professional intake valve cleaning service (walnut blasting or chemical) every 60,000–80,000 km as preventative maintenance.
Coolant leak from water pump
Symptoms: Coolant puddle under the front of the engine, coolant smell, low coolant level warning, possible engine overheating.
Cause: Failure of the water pump's internal seals or bearing, leading to coolant seepage from the weep hole or pump housing.
Fix: Replace the water pump assembly with an OEM-specified part; inspect drive belt and tensioner for wear during replacement.
Research Basis

Analysis derived from Kia technical bulletins (2017-2023) and owner-reported data aggregated from UK MOT advisory notices (2019-2023). Repair procedures should follow manufacturer guidelines.

KIA G6DA FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The G6DA is generally robust, offering strong performance. Its main concerns are the HPFP and potential carbon buildup. With strict adherence to using premium fuel, regular oil changes, and preventative intake cleaning, these engines can achieve high mileage reliably. The chain-driven timing system is durable and low-maintenance.

The most frequently documented issues are high-pressure fuel pump (HPFP) failure, turbocharger wastegate rattle, carbon buildup on intake valves (common to GDI engines), and coolant leaks from the water pump. These are covered in Kia service bulletins and represent common wear items for high-performance turbocharged engines.

The 2.0L G6DA T-GDI petrol engine was primarily used in the first-generation Kia Stinger (CK, 2017-2023). It was the higher-output petrol option, positioned above the 1.6L T-GDI. It was not used in the Ceed GT, which uses the smaller G4FJ engine.

Yes, the G6DA has significant tuning potential. Stage 1 ECU remaps can yield gains of 30-40 kW and 50-70 Nm reliably on stock hardware. Further modifications like a downpipe, intercooler, and intake can unlock more power. Its robust internals make it a popular choice for enthusiasts seeking more performance.

Fuel economy is moderate for its performance. In a Kia Stinger 2.0 T-GDI, expect combined figures around 8.5–9.5 L/100km (approx. 30-33 mpg UK). Real-world economy is heavily dependent on driving style; aggressive driving will significantly increase consumption.

Yes. The Kia G6DA is an interference engine. This means that if the timing chain were to fail or jump significantly, the pistons would collide with the open valves, causing catastrophic internal engine damage. The chain system is designed for longevity with proper maintenance.

Kia specifies a 5W-30 viscosity grade engine oil meeting API SP/ILSAC GF-6 standards (or newer). ACEA C2/C5 (low-SAPS) oils are also suitable. Using the correct oil is crucial for protecting the turbocharger, HPFP, and timing chain. Change intervals should not exceed 10,000 km or 12 months.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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Transparency in Gaps

If a data point is not officially disclosed, it is marked 'Undisclosed'.

Regulatory Stability

EU regulations are referenced using CELEX identifiers for long-term stability.

Primary Sources

KIA Official Site

Owner literature, service manuals, technical releases, and plant documentation.

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.

Regulatory Context

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

UK compliance and certification requirements for imported and modified vehicles.

VCA Certification Portal

Type-approval guidance and documentation.

Methodology

Data Compilation

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialKIA documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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