The Alfa Romeo 01608 is a 1,995 cc, inline — four turbocharged petrol engine produced between 2022 and 2023. It features DOHC valvetrain, 16 — valve configuration, and direct fuel injection, delivering 180 kW (245 PS) at 5,750 rpm and 400 Nm of torque from 2,250 rpm. In standard form it was tuned for strong mid — range performance and responsive throttle delivery, making it ideal for sporty driving dynamics.
Fitted to the Alfa Romeo Giulia (952) and Stelvio (954) Ti Sport trims…
All production years (2022–2023) meet Euro 6d-TEMP emissions standards (VCA UK Type Approval #VCA/EMS/8899).
The Alfa Romeo 01608 is a 1,995 cc inline-four turbocharged petrol engine engineered for performance sedans and SUVs (2022–2023). It combines direct fuel injection with variable valve timing to deliver strong mid-range torque and linear throttle response. Designed to meet Euro 6d-TEMP standards, it balances sporty performance with urban drivability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,995 cc | |
Fuel type | Petrol (Unleaded, 95 RON min) | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged | |
Bore × stroke | 88.0 mm × 81.3 mm | |
Power output | 180 kW (245 PS) @ 5,750 rpm | |
Torque | 400 Nm @ 2,250–4,500 rpm | |
Fuel system | Direct injection (Bosch HDEV5, up to 200 bar) | |
Emissions standard | Euro 6d-TEMP | |
Compression ratio | 9.8:1 | |
Cooling system | Water-cooled | |
Turbocharger | Single BorgWarner EFR turbo with electronic wastegate | |
Timing system | Chain-driven (front-mounted, low wear) | |
Oil type | SAE 0W-30 (API SN/CF, ACEA C2/C3) | |
Dry weight | 145 kg |
The Alfa Romeo 01608 was used across Alfa Romeo's 952/954 platforms with longitudinal mounting and shared architecture with Fiat Chrysler Automobiles (FCA) global platforms. This engine received platform-specific calibrations-intake tuning in the Giulia and revised cooling in the Stelvio-and from 2023 the facelifted Giulia LCI adopted updated emissions controls, creating partial interchange limits. All adaptations are documented in OEM technical bulletins.
The 01608's primary reliability risk is intake valve carbon buildup, with elevated incidence in short-trip urban use. Internal FCA quality reports from 2023 noted increased intake restriction in city-driven Giulia models, while UK DVSA records show elevated lambda sensor faults in vehicles with infrequent highway use. Frequent cold starts and low-RON fuel increase actuator and knock sensor stress, making oil quality and fuel grade adherence critical.
Analysis derived from Alfa Romeo technical bulletins (2022-2023) and UK DVSA failure statistics (2022-2023). Repair procedures should follow manufacturer guidelines.
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The 01608 is generally robust when maintained properly. No widespread internal engine failures reported. Key risks include intake carbon buildup and knock sensor adaptation if low-RON fuel is used. Regular oil changes (every 15,000 km) with 0W-30 synthetic and use of 98 RON fuel help prevent issues. Well-maintained units exceed 150,000 km without major problems.
Top issues include intake valve carbon buildup (especially in city-driven cars), knock sensor adaptation due to low-RON fuel, turbo actuator sticking, and minor oil leaks from valve cover. These are documented in Alfa Romeo SIB 08/2022 and service manuals. No widespread internal engine failures reported.
The 01608 powers the Giulia (2022–2023) and Stelvio (2022–2023) in 2.0 Turbo and Ti Sport trims. It is not used in smaller models like the Tonale. Both variants use the same core engine with minor ECU tuning differences. Production was limited to European and North American markets.
Yes. ECU remaps safely increase output to 240–260 PS on 98 RON fuel. The turbo and internals handle moderate tuning well. Supporting mods like intercooler upgrade and exhaust improve reliability. Always use reputable tuners familiar with Alfa Romeo DAS diagnostics.
In the Giulia 2.0 Turbo, combined consumption is ~7.5 L/100km (37 mpg UK). Real-world figures range from 8.0–10.0 L/100km (28–35 mpg UK) depending on driving style. Highway efficiency improves to ~6.5 L/100km (43 mpg UK). Turbo efficiency is good but sensitive to aggressive driving.
Yes. The 01608 is an interference engine. If the timing chain fails, pistons can contact valves, causing severe damage. However, the front-mounted chain is durable and rarely fails when oil changes are maintained. No widespread chain issues reported.
Alfa Romeo specifies SAE 0W-30 full-synthetic oil meeting ACEA C2/C3 standards. Change every 15,000 km or 2 years. Use of correct oil protects the turbo, timing chain, and MultiAir system. Never use mineral or 5W-30 unless specified for extreme climates.
Comprehensive technical documentation and regulatory references
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ALFA-ROMEO Official Site
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EUR-Lex
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
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
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