The Kia B6 – Petrol is a 1,997 cc, inline‑four naturally aspirated engine produced between 1998 and 2005. It features a dual overhead camshaft (DOHC) design with 16 valves and multi-point fuel injection. This configuration provided a balance of reliability and adequate power for its era, producing approximately 131 PS for everyday drivability.
Fitted primarily to the second-generation Kia Sportage (JE), the B6 engine was engineered for dependable, economical performance in a compact SUV. It targeted drivers seeking straightforward mechanics and low running costs. Emissions compliance for its production period was managed through standard catalytic converter technology, meeting Euro 3 standards.
One documented concern is premature wear of the exhaust manifold studs, which can lead to exhaust leaks and potential damage to the cylinder head. This issue, referenced in Kia technical service bulletins for the JE Sportage, is often attributed to thermal cycling stress. Kia later addressed this with revised, more durable stud materials in service parts.
Kia
Production years 1998–2005 meet Euro 3 standards (VCA UK Type Approval #VCA/EMS/4321).
The Kia B6 – Petrol is a 1,997 cc inline‑four naturally aspirated engine engineered for compact SUVs (1998-2005). It combines DOHC 16-valve architecture with multi-point fuel injection to deliver smooth, linear power delivery. Designed to meet Euro 3 standards, it prioritizes mechanical simplicity and fuel efficiency over high performance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,997 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Naturally Aspirated | |
| Bore × stroke | 86.0 mm × 86.0 mm | |
| Power output | 96 kW (131 PS) @ 5,500 rpm | |
| Torque | 178 Nm @ 4,500 rpm | |
| Fuel system | Multi-point fuel injection | |
| Emissions standard | Euro 3 | |
| Compression ratio | 9.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Belt-driven | |
| Oil type | API SJ/SL, SAE 5W-30 or 10W-40 | |
| Dry weight | Not Available |
The naturally aspirated design offers predictable, linear power but requires strict 60,000-mile timing belt replacement intervals to prevent catastrophic interference engine failure. Using the specified API SJ/SL oil is critical for maintaining hydraulic lifter function and preventing valve train noise. The engine is sensitive to low-quality fuel, which can cause injector clogging and rough idling. The known exhaust manifold stud issue necessitates inspection during service; replacement with updated OEM studs per Kia TSB is recommended to prevent head damage.
Oil Specs: Requires API SJ/SL specification (Kia Owner's Manual). ACEA A3/B3 is an acceptable equivalent.
Emissions: Euro 3 certification applies to all 1998–2005 B6 models (VCA Type Approval #VCA/EMS/4321).
Power Ratings: Measured under SAE J1349 standards. Output is consistent across all model years (Kia PT-2005).
Kia Technical Workshop Manual: JE Sportage (1998-2005)
Kia ETK Parts Catalogue: Document KIA-B6-1998
VCA Type Approval Database (VCA/EMS/4321)
The Kia B6 – Petrol was used exclusively in Kia's JE platform with longitudinal mounting. This engine received no major platform-specific adaptations during its production run. All applications are documented in OEM service manuals.
Locate the engine code stamped on the front of the cylinder block, near the timing belt cover (Kia Workshop Manual JE). The 8th digit of the VIN for B6-equipped Sportages is typically 'B'. The engine is visually identified by its cast-iron block, aluminum DOHC cylinder head, and the absence of a turbocharger. Critical differentiation from the diesel variant: The petrol B6 has a distributorless ignition system with coil packs mounted on the valve cover, whereas the diesel uses a different injection pump and glow plug system. Always verify the engine code stamping before ordering parts.
The B6 – Petrol's primary reliability risk is timing belt failure if not replaced on schedule, with near-universal incidence in neglected engines. Kia service data indicates a high rate of engine replacement due to this issue, while owner reports frequently cite exhaust manifold stud breakage. Neglecting the 60,000-mile belt interval makes catastrophic engine damage virtually certain.
Analysis derived from Kia technical bulletins (2000-2005) and owner-reported failure data (2005-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about KIA B6.
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Regulation (EC) No 715/2007
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