The Alfa Romeo 841 G.000 – Petrol is a 1,742 cc, inline — four turbocharged petrol engine produced between 2016 and 2022. It features Fiat's MultiAir3 variable valve timing system, direct fuel injection, and a single — scroll turbocharger, delivering 147 kW (200 PS) and 320 Nm of torque. This engine, part of the Global Small Engine (GSE) family, was engineered to deliver sporty responsiveness in Alfa Romeo’s compact and mid — size platforms.
Fitted to models such as the Alfa R…
All units produced between 2016 and 2019 meet Euro 6c standards; 2020–2022 models comply with Euro 6d-ISC-FCM (VCA UK Type Approval #VCA/EMS/8410).
The Alfa Romeo 841 G.000 – Petrol is a 1,742 cc inline-four turbocharged petrol engine developed for premium compact and SUV platforms (2016–2022). It combines MultiAir3 valve control with direct injection and turbocharging to deliver sharp throttle response and strong mid-range performance. Designed to meet Euro 6c/d emissions standards, it balances Alfa Romeo's sporty DNA with modern emissions and efficiency requirements.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,742 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged | |
Bore × stroke | 80.5 mm × 85.8 mm | |
Power output | 147 kW (200 PS) @ 5,700 rpm | |
Torque | 320 Nm @ 2,000–4,000 rpm | |
Fuel system | Fiat MultiAir3 with direct injection (up to 200 bar) | |
Emissions standard | Euro 6c (2016–2019), Euro 6d-ISC-FCM (2020–2022) | |
Compression ratio | 9.8:1 | |
Cooling system | Water-cooled | |
Turbocharger | Single turbo with vacuum-actuated wastegate (IHI RHF5) | |
Timing system | Timing chain (lifetime service interval) | |
Oil type | Fiat 9.55535-S3 M1 0W-30 | |
Dry weight | 122 kg |
The Alfa Romeo 841 G.000 – Petrol was used across Alfa Romeo's 952/956 platforms with longitudinal mounting and shared architecture with Fiat and Maserati. This engine received platform-specific tuning-for enhanced throttle response in the Giulia and revised cooling in the Stelvio-and from 2019 received updated turbo actuator materials to improve reliability, creating minor interchange limits. All adaptations are documented in OEM technical bulletins.
The 841 G.000 – Petrol's primary reliability risk is turbocharger actuator wear in early builds, with elevated incidence in performance-driven examples. Internal Fiat Group quality reports from 2020 indicated a notable share of pre-2019 engines required actuator replacement before 100,000 km, while UK DVSA records show increased throttle-related faults in high-mileage vehicles. Aggressive driving and delayed maintenance exacerbate thermal stress, making service adherence and driving pattern awareness critical.
Analysis derived from Alfa Romeo technical bulletins (2016-2022) and UK DVSA failure statistics (2016-2023). Repair procedures should follow manufacturer guidelines.
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The 841 G.000 – Petrol offers strong performance and responsiveness, but early models (2016-2018) had reliability concerns, particularly turbocharger actuator wear. Later revisions (post-2019) improved actuator durability and ECU control. When maintained properly—with timely oil changes and proper cooldown—it can exceed 200,000 km. Avoid frequent aggressive driving and always use Fiat 9.55535-S3 M1 0W-30 oil for best results.
The most documented issues are turbocharger actuator wear, cold-start timing chain rattle, throttle body malfunctions, and coolant leaks from the thermostat housing. These are covered in Alfa Romeo and Fiat Group service bulletins. Driving style and maintenance frequency significantly impact reliability, especially in high-performance applications like the Giulia and Stelvio.
This 2.0L Turbo engine was used in the Alfa Romeo Giulia (2016-2022) and Stelvio (2017-2022). It was also shared with the Fiat Tipo (2018-2020) and Maserati Ghibli (2019-2022, in hybrid configuration). All models were Euro 6c or 6d compliant. No MiTo or 4C applications exist for this specific engine variant.
Yes. The engine responds well to ECU remapping, with stage 1 tunes typically adding +40–50 kW safely. The stock turbo and internals handle increased torque, but supporting mods (intercooler, exhaust) are recommended for higher stages. Tuning must preserve emissions functionality to avoid reliability issues. Always use a reputable tuner familiar with MultiAir3 systems.
Competitive for its class. In a Giulia 2.0 Turbo, combined consumption is approximately 7.2 L/100 km (~39 mpg UK). Highway driving can achieve 6.0 L/100 km (~47 mpg UK), while city use may reach 9.0 L/100 km (~31 mpg UK). Real-world economy depends on driving style, but 30–40 mpg UK is typical for mixed use.
Yes. The engine has an interference design, meaning if the timing chain fails or jumps, the pistons can strike the open valves, causing catastrophic damage. While the chain is rated for life, tensioner failure can lead to slack. Any cold-start rattle should prompt immediate inspection to prevent major engine damage.
Alfa Romeo specifies Fiat 9.55535-S3 M1 0W-30 synthetic oil. This formulation is critical for turbocharger and MultiAir3 actuator protection. Oil changes should be performed every 15,000 km or annually. Using incorrect oil can accelerate turbo and valvetrain wear, especially under high-load conditions.
Comprehensive technical documentation and regulatory references
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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)
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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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