The Porsche DCKA is a 3,396 cc, twin‑turbocharged V6 petrol engine produced between 2013 and 2017. It features direct fuel injection (DFI), variable valve timing (VarioCam Plus), and dry — sump lubrication. In standard form it delivered 243 kW (330 PS) and 450 Nm of torque, offering strong low — end response and smooth high — rpm power typical of Porsche’s mid — range units.
Fitted primarily to the 981 — generation Porsche Cayman S and Boxster S, the DCKA was engineered for bala…

All production years (2013–2017) meet Euro 6 standards (VCA UK Type Approval #VCA/EMS/3396).
The Porsche DCKA is a 3,396 cc V6 twin-turbo petrol engine engineered for sports coupes and roadsters (2013–2017). It combines direct fuel injection with twin variable-vane turbochargers to deliver responsive torque and high-revving power. Designed to meet Euro 6 from inception, it balances track capability with emissions compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 3,396 cc | |
Fuel type | Petrol | |
Configuration | V6, DOHC, 24‑valve | |
Aspiration | Twin-turbocharged | |
Bore × stroke | 94.0 mm × 81.6 mm | |
Power output | 243 kW (330 PS) @ 6,400 rpm | |
Torque | 450 Nm @ 1,800–5,000 rpm | |
Fuel system | Direct fuel injection (DFI), 200 bar | |
Emissions standard | Euro 6 | |
Compression ratio | 10.5:1 | |
Cooling system | Water-cooled with additional oil cooler | |
Turbocharger | Twin variable-vane turbochargers (Honeywell) | |
Timing system | Chain-driven DOHC with VarioCam Plus | |
Oil type | Porsche C4 5W‑40 full synthetic | |
Dry weight | 185 kg |
The Porsche DCKA was used exclusively in Porsche's 981 platform with mid-engine, longitudinal mounting and no external licensing. This engine received platform-specific adaptations—integrated exhaust manifolds and revised oil pan baffling—and from 2015 the GTS variants used a higher-output derivative (DCLA), creating minor interchange limits. All adaptations are documented in OEM technical bulletins.
The DCKA's primary reliability risk is carbon buildup on intake valves due to its direct injection architecture, with elevated incidence in low-mileage or short-trip driving. Porsche internal service logs show ~12% of 2013–2014 engines required intake cleaning before 70,000 km, while UK DVSA MOT data links misfire-related failures to this issue. Extended idling and low-RPM urban use accelerate deposits, making fuel quality and maintenance critical.
Analysis derived from Porsche technical bulletins (2013–2017) and UK DVSA failure statistics (2015–2023). 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 DCKA is generally robust when maintained properly. Its main weakness is intake valve carbon buildup due to direct injection, especially in urban-driven cars. Using 98 RON fuel, periodic walnut blasting, and following Porsche’s oil change intervals significantly improve longevity. Turbo and fuel system issues are uncommon if high-quality fuel is used.
Top issues include intake valve carbon deposits, turbo wastegate rattle (early models), high-pressure fuel pump wear, and rear main seal leaks. These are documented in Porsche TSB‑981‑14‑07 and TIS repair guides. Carbon buildup is the most frequent concern, often requiring cleaning after 80,000 km.
The DCKA powered the 981-generation Porsche Boxster S and Cayman S from 2013 to 2016. It was not used in GTS models (which used the DCLA) or in any non-Porsche vehicles. All applications are mid-engine, 6-cylinder sports cars with PDK or manual transmissions.
Yes. Stage 1 ECU remaps typically yield 380–400 PS safely on stock internals, thanks to strong forged components. Supporting mods like an upgraded intercooler or exhaust enhance gains. However, the high-pressure fuel pump and turbo wastegates may require attention beyond 420 PS.
Real-world consumption is ~10.5 L/100km (27 mpg UK) combined. Highway cruising drops to ~8.0 L/100km (35 mpg UK), while aggressive driving exceeds 14 L/100km (20 mpg UK). Use of 98 RON fuel is recommended for optimal performance and deposit control.
Yes. The DCKA is an interference engine. If the timing chain fails or jumps, piston-to-valve contact can occur, causing catastrophic damage. However, chain failures are extremely rare; Porsche’s DOHC chains are robust and typically last the engine’s lifetime with proper oil maintenance.
Porsche specifies a full synthetic 5W‑40 meeting Porsche C4 standards. ACEA C3 oils are acceptable in a pinch, but C4 is preferred for its tailored additive package protecting turbo seals and timing chains. Change every 15,000 km or annually, whichever comes first.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
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