The Volkswagen CG is a 1,984 cc, inline‑four naturally aspirated petrol engine produced between 2006 and 2013. It features port fuel injection, dual overhead camshafts (DOHC), and variable intake timing. In standard form it delivers 118 kW (160 PS) and 200 Nm of torque, with smooth power delivery suited for refined cruising and responsive highway performance.
Fitted to models such as the Mk5 Golf GT, Mk6 Golf, and Mk2 Scirocco—including the 2.0 FSI 160 PS variants—the CG w…
Production years 2006–2008 meet Euro 4 standards; 2009–2013 models comply with Euro 5 depending on market (VCA UK Type Approval #VCA/EMS/7890).
The Volkswagen CG is a 1,984 cc inline‑four naturally aspirated petrol engineered for compact performance and mid‑size vehicles (2006–2013). It combines port and direct fuel injection (FSI) with variable intake timing to deliver smooth power and refined operation. Designed to meet Euro 4 and Euro 5 emissions standards, it balances performance with urban efficiency.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,984 cc | |
Fuel type | Petrol (Unleaded) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 82.5 mm × 92.8 mm | |
Power output | 118 kW (160 PS) @ 6,000 rpm | |
Torque | 200 Nm @ 3,500 rpm | |
Fuel system | Combined port and direct injection (FSI, Bosch MED9.5.10) | |
Emissions standard | Euro 4 (2006–2008); Euro 5 (2009–2013) | |
Compression ratio | 11.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Chain (front‑mounted, maintenance‑free design) | |
Oil type | VW 502 00 / 504 00 (SAE 5W‑40) | |
Dry weight | 132 kg |
The Volkswagen CG was used across Volkswagen's Mk5/Mk6 platforms with transverse mounting. This engine received platform-specific adaptations—revised engine mounts in the Scirocco and modified exhaust manifolds in the Golf GT—and from 2009 the facelifted Golf VI models adopted updated ECU calibrations, creating minor interchange limits. All adaptations are documented in OEM technical bulletins.
The CG's primary reliability risk is carbon buildup in the intake and combustion chambers, with elevated incidence in high‑mileage or short‑trip urban use. Volkswagen internal data from 2011 indicated up to 18% of CG engines required intake cleaning before 80,000 km, while UK DVSA MOT statistics show increased emissions failures linked to EGR and PCV faults in city‑driven vehicles. Extended oil change intervals and low‑quality fuel exacerbate carbon accumulation, making oil specification and service adherence critical.
Analysis derived from Volkswagen technical bulletins (2010–2013) 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 CG is generally robust with smooth power delivery. Its main concern is carbon buildup due to FSI direct injection. With proper maintenance—especially using VW 502 00/504 00 oil, timely oil changes, and periodic intake cleaning—the engine can reliably exceed 200,000 km.
Top issues include carbon buildup on intake valves, PCV system failure, high-pressure fuel pump wear, and variable cam adjuster faults. These are documented in Volkswagen service bulletins, particularly SIB 2010‑12‑FSI‑1984 for intake and PCV concerns.
The CG powered the Golf V, Golf VI, Scirocco II, and Passat B6 from 2006–2013. All are 2.0 FSI 160 PS variants under the FSI family, meeting Euro 4 or Euro 5 depending on year.
Yes. Stage 1 ECU remaps typically yield +15–20 kW (to ~130–135 kW) safely, as the stock internals handle moderate torque increases. Further tuning requires upgraded fuel system and intake. Always use 98 RON fuel and monitor carbon buildup post-tune.
In a Golf VI 2.0 FSI 160 PS, real-world consumption is ~8.2 L/100km (city) and ~5.6 L/100km (highway), or about 38 mpg UK combined. With conservative driving, 40–44 mpg UK is achievable on mixed routes. Fuel quality and service history significantly affect results.
Yes. The CG is an interference engine. If the timing chain fails (rare but possible), piston-to-valve contact can cause catastrophic damage. However, the chain is designed as maintenance-free and typically lasts the engine’s lifetime if oil is changed correctly.
Volkswagen specifies 5W‑40 synthetic oil meeting VW 502 00 or 504 00 standards. Never use older 501 01 oils. Change every 15,000 km or annually to protect high-pressure fuel pump, cam adjusters, and timing components.
Comprehensive technical documentation and regulatory references
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DVLA: Engine Changes & MoT
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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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