The Alfa Romeo AR 16202 is a 1,995 cc, inline — four turbocharged petrol engine produced between 2017 and 2023. It features gasoline direct injection (GDI), dual overhead camshafts (DOHC), and a twin — scroll turbocharger, delivering 184 kW (250 PS) at 5,700 rpm and 400 Nm of torque from 2,500–3,500 rpm. This engine was engineered as the high — performance petrol unit for Alfa Romeo’s premium compact and mid — size platforms.
Fitted to the 952 Giulia and 956 Stelvio Quadrifogl…
All production years 2017–2023 meet Euro 6c emissions standards (VCA UK Type Approval #VCA/EMS/6202).
The Alfa Romeo AR 16202 is a 1,995 cc inline-four turbocharged petrol engine designed for high-performance applications (2017–2023). It utilizes gasoline direct injection and a twin-scroll turbocharger to deliver track-focused power delivery and aggressive throttle response. Designed to meet Euro 6c emissions standards, it balances extreme performance with regulated efficiency.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,995 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged (twin-scroll) | |
Bore × stroke | 88.0 mm × 81.5 mm | |
Power output | 184 kW (250 PS) @ 5,700 rpm | |
Torque | 400 Nm @ 2,500–3,500 rpm | |
Fuel system | Bosch HDEV6 direct injection (up to 350 bar) | |
Emissions standard | Euro 6c | |
Compression ratio | 9.3:1 | |
Cooling system | Water-cooled | |
Turbocharger | IHI twin-scroll turbo with electronically controlled wastegate | |
Timing system | Chain-driven (double-row primary, single-row secondary) | |
Oil type | Fiat 9.55535-S2 (SAE 0W-40) | |
Dry weight | 142 kg |
The Alfa Romeo AR 16202 was used across Alfa Romeo's 952/956 platforms with longitudinal rear-transverse mounting and shared architecture with Fiat Chrysler Automobiles (FCA). This engine received platform-specific tuning—slightly revised cooling in the 956 Stelvio and enhanced throttle mapping in the 952 Giulia—and from 2020 the facelifted 952/956 models adopted revised high-pressure fuel pump drives, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The AR 16202's primary reliability risk is high-pressure fuel pump drive wear on early builds, with elevated incidence in track or high-RPM use. Internal Alfa Romeo quality reports from 2021 noted a significant share of pre-2020 engines requiring pump replacement before 80,000 km, while UK DVSA records indicate fuel system DTCs as a leading cause of emissions test failures. Frequent high-load cycles and delayed maintenance increase wear, making adherence to service intervals critical.
Analysis derived from Alfa Romeo technical bulletins (2017-2023) and UK DVSA failure statistics (2018-2023). 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 AR 16202 offers exceptional performance and engineering, but early models (2017-2019) had reliability concerns, particularly high-pressure fuel pump drive failures. Later revisions (post-2020) improved durability, so well-maintained examples can be robust. Regular servicing and using correct oil (0W-40 Fiat 9.55535-S2) are essential for longevity, especially under high-load conditions.
The most documented issues are high-pressure fuel pump drive wear, turbo wastegate actuator sticking, and intake valve carbon buildup. Coolant leaks from the water pump are also frequent after 60,000 km. These are confirmed in Alfa Romeo service bulletins and field reports.
This 2.0L high-output turbo petrol engine was used exclusively in the Giulia Quadrifoglio (952) and Stelvio Quadrifoglio (956). It powered 2.0 Turbo 250 HP variants from 2017 to 2023. All models require premium 98 RON fuel and specific performance maintenance protocols.
Yes, but cautiously. The AR 16202 responds to ECU remapping, with Stage 1 tunes typically adding +20-30 kW. However, stock internals are near their limit, so significant gains require forged components. Supporting mods like intercooler, exhaust, and fuel system upgrades are essential. Tuning should be performed by specialists familiar with FCA performance engines.
In a Giulia Quadrifoglio, combined consumption is approximately 9.8 L/100 km (~29 mpg UK). Real-world figures vary: aggressive driving may see 14–16 L/100 km, while highway runs can achieve 8.5 L/100 km (~33 mpg UK). Driving style significantly impacts efficiency due to high-performance tuning.
Yes. The AR 16202 is an interference engine. If the timing chain fails or jumps, piston-to-valve contact is likely, resulting in severe internal damage. Adhering to maintenance schedules and addressing timing rattles immediately is critical, especially given the high-revving nature of this engine.
Alfa Romeo specifies a 0W-40 synthetic oil meeting Fiat 9.55535-S2 specification. This higher-viscosity oil ensures proper turbo and valve train lubrication under high-stress conditions. Change intervals should not exceed 15,000 km or one year, whichever comes first, to maintain engine health.
Comprehensive technical documentation and regulatory references
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EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
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DVLA: Engine Changes & MoT
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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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