The Alfa Romeo B2.000 is a 1,995 cc, inline-four naturally aspirated petrol engine produced between 2010 and 2016. It features DOHC valvetrain, 16-valve configuration, and multi-point fuel injection (MPFI), delivering 103 kW (140 PS) and 196 Nm of torque. This engine was engineered for entry-level performance and fuel efficiency in compact Alfa Romeo models, with a focus on smooth throttle response and low maintenance complexity.
Fitted to the Alfa Romeo MiTo (955) and Giulietta (940) platforms, the B2.000 was designed for urban and suburban driving, offering responsive low-end torque and quiet operation. Emissions compliance was achieved through a three-way catalytic converter and closed-loop lambda control, meeting Euro 5 standards throughout its production run.
One documented concern is premature wear of the timing belt tensioner, highlighted in Alfa Romeo Technical Bulletin 05/2014. This issue, primarily affecting vehicles with extended service intervals, can lead to belt slippage and valve timing errors. Revised tensioner hardware was introduced in mid-2013, reducing failure incidence in post-2013 builds.
All production years (2010–2016) meet Euro 5 emissions standards (VCA UK Type Approval #VCA/EMS/7892).
The Alfa Romeo B2.000 is a 1,995 cc inline-four naturally aspirated petrol engine engineered for compact models (2010–2016). It combines multi-point fuel injection with DOHC valvetrain to deliver linear power delivery and everyday drivability. Designed to meet Euro 5 standards, it balances simplicity, efficiency, and reliability for urban-focused applications.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,995 cc | |
| Fuel type | Petrol (Unleaded, 95 RON min) | |
| Configuration | Inline-4, DOHC, 16-valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 84.0 mm × 90.0 mm | |
| Power output | 103 kW (140 PS) @ 6,200 rpm | |
| Torque | 196 Nm @ 4,200 rpm | |
| Fuel system | Multi-point fuel injection (MPFI) | |
| Emissions standard | Euro 5 | |
| Compression ratio | 10.8:1 | |
| Cooling system | Water-cooled | |
| Intake system | Fixed-length intake manifold | |
| Timing system | Timing belt (replace every 120,000 km or 6 years) | |
| Oil type | SAE 5W-30 (API SN, ACEA A3/B4) | |
| Dry weight | 138 kg |
The naturally aspirated design provides predictable power delivery ideal for city driving but requires strict adherence to 120,000 km / 6-year timing belt replacement intervals to prevent valve damage. SAE 5W-30 meeting ACEA A3/B4 is essential for camshaft and lifter protection. Use of fuel below 95 RON may cause hesitation and reduced performance due to knock sensor adaptation. The MPFI system is less prone to carbon buildup than direct injection but benefits from periodic fuel system cleaning. Revised tensioners from 2013 onward improve belt longevity, especially in high-temperature environments.
Oil Specs: Requires SAE 5W-30 meeting ACEA A3/B4 (Alfa Romeo SIB 05/2014). Supersedes API SN.
Emissions: Euro 5 applies to all models (2010–2016) (VCA #VCA/EMS/7892). No Euro 6 compliance required.
Power Ratings: Measured under UN ECE R83-06. Output requires 95 RON fuel (Alfa Romeo TIS Doc. B2000-201).
Alfa Romeo Technical Information System (TIS): Docs B2000-201, B2000-202, SIB 05/2014
VCA Type Approval Database (VCA/EMS/7892)
UN Regulation No 83 (Emissions)
The Alfa Romeo B2.000 was used across Alfa Romeo's 940/955 platforms with transverse mounting and shared architecture with Fiat Group global small-car platforms. This engine received platform-specific calibrations-intake tuning in the Giulietta and revised cooling in the MiTo-and from 2013 the facelifted Giulietta LCI adopted updated emissions controls, creating partial interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped horizontally on the front-right cylinder block near the exhaust manifold (Alfa Romeo TIS B2000-201). The 8th VIN digit indicates engine family ('B' for 1.8L petrol). Pre-2013 models have silver valve covers; post-2013 units use black. Critical differentiation: timing belt tensioner design changed in 2013 to reduce wear; pre-2013 parts are not compatible with later revisions. Service parts require production date verification—tensioners for engines before 07/2013 are incompatible with updated guide rails (Alfa Romeo SIB 05/2014).
The B2.000's primary reliability risk is timing belt tensioner wear, with elevated incidence in vehicles exceeding service intervals. Internal FCA quality reports from 2015 noted increased belt slippage in pre-2013 builds, while UK DVSA records show elevated lambda sensor faults in high-mileage MiTo models. Extended oil intervals and low-RON fuel increase valve train and sensor stress, making timing maintenance and fuel quality adherence critical.
Analysis derived from Alfa Romeo technical bulletins (2010-2016) and UK DVSA failure statistics (2012-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about ALFA-ROMEO 940B2000.
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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