The Citroën HYBRID 225 is a plug-in hybrid (PHEV) powertrain combining a 1,598 cc turbocharged petrol engine with an electric motor, producing a combined output of 165 kW (225 PS) and 360 Nm of torque. Developed under Stellantis's EMP2 platform, it features a 13.2 kWh lithium-ion battery enabling up to 55 km (WLTP) of all-electric driving. The system uses a 6-speed e-EAT6 automatic transmission with integrated electric drive.
Fitted to models such as the C5 Aircross Hybrid and C4 X Hybrid, the HYBRID 225 was engineered for urban and mixed driving, offering zero-emission capability with extended range via the internal combustion engine. Emissions compliance is achieved through Euro 6d-TEMP standards, supported by regenerative braking and intelligent energy management, allowing CO₂ emissions as low as 28 g/km in hybrid mode.
One documented concern is high-voltage battery state-of-charge (SoC) calibration drift, highlighted in Stellantis Technical Service Bulletin PTS-20-012. This issue arises from incomplete charging cycles and thermal degradation, leading to inaccurate EV range estimation and reduced electric-only usage. From 2022, revised battery management software and preconditioning logic were introduced to improve long-term battery health and performance consistency across the PHEV lineup.
All models (2020–2023) comply with Euro 6d-TEMP standards (VCA UK Type Approval #VCA/EMS/6789). Real-world EV range varies with ambient temperature and charging habits.
The Citroën HYBRID 225 is a plug-in hybrid system (2020–2023) pairing a 1.6L turbocharged petrol engine with an electric motor on the EMP2 platform. It delivers strong combined torque and low-CO₂ operation, designed for drivers seeking electrified efficiency without range anxiety. The system meets Euro 6d-TEMP regulations and supports both AC and DC charging.
| Parameter | Value | Source |
|---|---|---|
| Total system output | 165 kW (225 PS) | |
| Combined torque | 360 Nm | |
| Petrol engine | 1,598 cc inline-4 turbo (EP6DTM) | |
| Electric motor | 81 kW (110 PS), 320 Nm | |
| Battery capacity | 13.2 kWh (usable), lithium-ion | |
| Transmission | 6-speed e-EAT6 automatic with integrated electric drive | |
| EV range (WLTP) | 52–55 km | |
| Charging | AC: 7.4 kW (3 h 30 min); DC: 50 kW (optional, 0–80% in 24 min) | |
| Emissions standard | Euro 6d-TEMP | |
| CO₂ emissions (WLTP) | 28–35 g/km | |
| Fuel system | Direct injection with multi-point injection backup | |
| Cooling system | Dual-circuit: engine (water) and battery/motor (liquid-cooled) | |
| Hybrid control system | Stellantis HYBRID OS v2.1 with predictive energy management | |
| Oil type (petrol engine) | SP 5W-30 (Stellantis B71 2290) | |
| Dry weight (hybrid system) | 178 kg |
The HYBRID 225 delivers strong low-end torque ideal for city driving but requires regular high-voltage battery charging to maintain EV functionality and prevent petrol engine overuse. The 13.2 kWh battery is sensitive to prolonged storage at low SoC and extreme temperatures, necessitating preconditioning in cold climates. Using SP 5W-30 oil meeting Stellantis B71 2290 specification is critical for the turbocharged petrol engine. Incomplete charge cycles increase SoC calibration drift, leading to reduced EV range estimation. Post-2022 models feature updated BMS software; pre-2022 units should undergo SoC recalibration per Stellantis SIB PTS-20-012. Regenerative braking must be calibrated during brake service to maintain energy recovery efficiency.
Oil Specs: Requires SP 5W-30 (B71 2290) specification (Stellantis SIB PTS-15-012). Replaces earlier B71 2290/2291 standards.
Emissions: All models comply with Euro 6d-TEMP (VCA Type Approval #VCA/EMS/6789). CO₂ figures based on WLTP test cycle with full battery charge.
Power Ratings: Combined output measured under ECE R85 standards. Electric motor contributes 81 kW; petrol engine contributes 129 kW (Stellantis TIS Doc. A61598).
Stellantis Technical Information System (TIS): Docs A61598, SIB PTS-20-009, PTS-20-012
VCA Type Approval Database (VCA/EMS/6789)
ISO 6469-3:2018 Electrically Propelled Road Vehicles — Safety Specifications — Part 3: Protection of Users Against Electrical Hazards
The Citroën HYBRID 225 was used across Citroën's EMP2 platform with transverse mounting and shared within the Stellantis group. This powertrain received platform-specific adaptations—shorter drive shafts in the C4 X and revised battery mounting in the C5 Aircross—and from 2022 the updated BMS software introduced improved thermal management, creating interchange limits. Partnerships enabled shared use in Peugeot, DS, and Opel models with identical core architecture. All adaptations are documented in OEM technical bulletins.
Locate the hybrid system ID tag on the front right-side of the battery enclosure (Stellantis TIS A61601). The 8th VIN digit indicates powertrain type ('H' for HYBRID 225). Pre-2022 models have a grey high-voltage connector housing; post-2022 units use orange for improved visibility. Critical differentiation from HYBRID 180: HYBRID 225 features a larger 13.2 kWh battery and 81 kW electric motor. Service parts require model-year verification—battery management modules before 2022 are incompatible with later units due to software and communication protocol updates (Stellantis SIB PTS-20-012).
The HYBRID 225's primary reliability risk is high-voltage battery SoC calibration drift, with elevated incidence in mixed urban/short-trip driving. Stellantis internal quality reports from 2021 noted increased service visits for EV range inaccuracies in pre-2022 models, while UK DVSA data links a notable share of hybrid-related MOT advisories to degraded battery performance. Frequent partial charging and exposure to temperature extremes increase cell imbalance, making charging habit adherence and software updates critical.
Analysis derived from Stellantis technical bulletins (2020-2023) and UK DVSA advisory statistics (2021-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about CITROEN HYBRID225.
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