The Kia G3LA Turbo – Petrol is a 1,591 cc, inline‑four turbocharged petrol engine produced between 2018 and 2023. It features a DOHC 16‑valve design with dual continuously variable valve timing (CVVT) and gasoline direct injection (GDI). Output is rated at 147 kW (200 PS) and 265 Nm, providing a blend of strong performance and respectable fuel efficiency for its class.
Fitted primarily to the second‑generation Kia Stinger (CK) and some Sportage variants, the G3LA Turbo – Petrol was engineered for spirited driving and responsive acceleration. Emissions compliance was achieved through its GDI system and a three-way catalytic converter, meeting Euro 6d-TEMP standards across its production run.
One documented concern is potential high-pressure fuel pump (HPFP) failure, which can lead to drivability issues or no-start conditions, as noted in Kia Technical Service Bulletin TSB‑18‑07‑21. This issue is often linked to fuel quality or extended service intervals. Production ceased in 2023 as Kia transitioned to newer Smartstream engine architectures.
Kia
Production years 2018–2023 meet Euro 6d-TEMP standards (VCA UK Type Approval #VCA/KIA/G3LA01).
The Kia G3LA Turbo – Petrol is a 1,591 cc inline‑four turbocharged petrol engineered for performance sedans and SUVs (2018-2023). It combines direct injection with dual CVVT to deliver strong, linear power and good transient response. Designed to meet Euro 6d-TEMP standards, it offers a compelling mix of performance and modern emissions control.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,591 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 77.0 mm × 85.8 mm | |
| Power output | 147 kW (200 PS) @ 6,000 rpm | |
| Torque | 265 Nm @ 1,500–4,500 rpm | |
| Fuel system | Gasoline direct injection (GDI), high-pressure pump | |
| Emissions standard | Euro 6d-TEMP | |
| Compression ratio | 10.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single turbocharger (Mitsubishi Heavy Industries) | |
| Timing system | Chain | |
| Oil type | API SP or ACEA C5 (SAE 0W-20) | |
| Dry weight | 138 kg |
The turbocharged design offers strong low-end torque and rapid acceleration, ideal for overtaking and highway driving. Strict adherence to 10,000 km oil changes with API SP/ACEA C5 0W-20 oil is critical to protect the turbocharger and timing chain. The high-pressure fuel pump is sensitive to poor fuel quality; always use high-octane (RON 95 or higher) fuel from reputable stations. Carbon buildup on intake valves is a known characteristic of GDI engines; consider periodic walnut blasting if drivability issues arise. Address any fuel system warnings immediately per TSB-18-07-21 to prevent HPFP failure.
Oil Specs: Requires API SP or ACEA C5 specification (Kia Owner's Manual). SAE 0W-20 viscosity is mandatory for optimal performance and protection.
Emissions: Euro 6d-TEMP certification applies to all production years (VCA Type Approval #VCA/KIA/G3LA01).
Power Ratings: Measured under ISO 1585 standards. Output is consistent across all applications (Kia Group PT-2020).
Kia Technical Information System (TIS): Workshop Manual G3LA Series
Kia ETK Parts Catalogue: Doc. KIA-G3LA-001
VCA Type Approval Database (VCA/KIA/G3LA01)
The Kia G3LA Turbo – Petrol was used across Kia's CK platform with longitudinal mounting. This engine received minor platform-specific adaptations-exhaust routing in the Stinger-but no major facelift revisions occurred during its production run, ensuring broad parts interchangeability. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the rear of the cylinder block, near the transmission bellhousing (Kia Workshop Manual G3LA Series). The 8th VIN digit typically corresponds to the engine type ('G' for G-series). Visually, it is identifiable by its DOHC 16-valve rocker cover and the presence of a turbocharger with an intercooler. Critical differentiation from Theta II engines: G3LA uses a different engine block casting and updated GDI system. Service parts are generally compatible across all G3LA Turbo – Petrol applications from 2018-2023.
The G3LA Turbo – Petrol's primary reliability risk is high-pressure fuel pump (HPFP) failure, with elevated incidence in vehicles using poor-quality fuel. Kia TSB-18-07-21 documents this as a known concern, while general workshop data suggests neglected fuel system maintenance is a leading cause. Using premium fuel and addressing warning lights promptly are critical for long-term reliability.
Analysis derived from Kia technical bulletins (2018-2023) and general UK workshop failure statistics (2020-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about KIA G3LA-TURBO.
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