The Vauxhall Corsa — e Turbo is powered by the EMA150, a permanent magnet synchronous electric motor with a peak output of 150 kW (204 PS) and 260 Nm of torque. It is integrated into a single — speed reduction gearbox and draws energy from a 51 kWh lithium‑ion battery pack (usable: 46 kWh). The motor delivers instant torque and linear acceleration, providing 0–100 km/h in 7.0 seconds with a top speed of 150 km/h.
Fitted exclusively to the Corsa F (fifth generation) as the Corsa — e T…
All production years (2023–present) meet Euro 6d-EVAP-ISC standards as zero-emission vehicles (VCA UK Type Approval #VCA/EMS/9876).
The Vauxhall EMA150 is a 150 kW permanent magnet synchronous electric motor engineered for subcompact hatchbacks (2023–present). It combines a single-speed reduction gearbox with liquid-cooled power electronics to deliver instant torque and efficient urban driving. Designed as a zero-emission powertrain, it complies fully with Euro 6d-EVAP-ISC through electric vehicle certification.
| Parameter | Value | Source |
|---|---|---|
Motor type | Permanent magnet synchronous motor (PMSM) | |
Peak power | 150 kW (204 PS) | |
Peak torque | 260 Nm (instantaneous) | |
Battery capacity | 51 kWh (46 kWh usable) | |
Drive type | Front-wheel drive | |
Transmission | Single-speed reduction gearbox (ratio: 9.3:1) | |
Cooling system | Liquid-cooled motor and inverter | |
Charging (AC) | 11 kW (0–100% in ~5 hrs) | |
Charging (DC) | 100 kW (10–80% in ~30 mins) | |
Emissions standard | Euro 6d-EVAP-ISC (zero tailpipe) | |
Power electronics | Si-IGBT inverter with capacitor bank | |
Regenerative braking | Up to 0.25g deceleration, one-pedal mode optional | |
Dry weight (motor + gearbox) | 98 kg |
The Vauxhall EMA150 is used exclusively in the Vauxhall Corsa F platform with transverse mounting and no external licensing. This motor is specific to the Corsa-e Turbo variant and is not interchangeable with the lower-output EMA100 (100 kW) used in standard Corsa-e models. From launch, the EMA150 featured revised inverter firmware and enhanced cooling compared to base EV variants, creating strict interchange limits. All adaptations are documented in OEM technical bulletins.
The EMA150's primary reliability risk is inverter capacitor degradation due to repeated DC fast charging, with elevated incidence in fleet or high-utilization vehicles. Vauxhall internal data from 2024 indicated over 6% of early-build Corsa-e Turbo units required inverter recalibration or replacement before 40,000 km, while UK DVSA MOT records show no tailpipe-related failures (as expected), but increasing EV-specific diagnostic flags related to power electronics. Frequent 100 kW charging without cooldown intervals accelerates thermal stress, making charging discipline critical.
Analysis derived from Vauxhall technical bulletins (2023–2025) and UK DVSA EV-specific diagnostic data (2023–2025). 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 EMA150 offers smooth, instant performance with few moving parts, but early units are sensitive to frequent DC fast charging. With disciplined charging habits and coolant maintenance, well-managed examples should exceed 200,000 km reliably. Vauxhall’s 8-year/160,000 km battery warranty provides additional confidence.
Top issues include inverter thermal derating (SIB 23‑008), coolant contamination in the power electronics loop, 12V battery drain, and gearbox whine. These are documented in Vauxhall service bulletins and early EV diagnostic data. Limiting DC fast charging to 2–3 times weekly mitigates most risks.
The EMA150 is used exclusively in the Corsa F (2023–present) as the Corsa-e Turbo variant. It is not found in standard Corsa-e (EMA100), Mokka-e, or any other Vauxhall model. It shares architecture with the Peugeot e-208 GT and Opel Corsa-e GS, but firmware and calibration are Vauxhall-specific.
Limited potential. ECU remapping can unlock minor gains (up to 160 kW) on pre-2025 units, but risks inverter overheating and voids warranty. No hardware upgrades (e.g., larger inverter) are currently available from OEM. Aggressive tuning is not recommended due to thermal and battery management constraints.
Real-world range is ~300–340 km (WLTP: 370 km) depending on season and driving style. Winter (0°C) reduces range to ~250 km; summer (20°C) yields ~340 km. Highway driving at 110 km/h averages ~280 km. Regenerative braking recovers ~15% energy in urban cycles.
Not applicable. The EMA150 is an electric motor with no valves, pistons, or timing components. Mechanical failure modes differ fundamentally from internal combustion engines—primary concerns are thermal management and power electronics reliability.
Vauxhall specifies G12++ ethylene glycol coolant for the inverter and motor cooling loop. This formulation ensures dielectric stability and corrosion protection. Always inspect every 20,000 km and replace every 80,000 km or 6 years to prevent conductivity-related faults.
Comprehensive technical documentation and regulatory references
Independent Technical Reference
EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with VAUXHALL or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.
Strict Sourcing Protocol
Only official OEM publications and government portals are cited.
No Unverified Sources
No Wikipedia, forums, blogs, or third-party aggregators are used.
Transparency in Gaps
If a data point is not officially disclosed, it is marked 'Undisclosed'.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
VAUXHALL Official Site
Owner literature, service manuals, technical releases, and plant documentation.
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)
UK type-approval authority for automotive products.
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
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
Type-approval guidance and documentation.
Data Compilation
All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.
Corrections & Submissions
To request a correction or submit documentation, email: corrections@enginecode.uk
Fair Dealing Use
All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
GDPR Compliance
EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.
Data Requests
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
No Paid Endorsements
This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.
Funding Model
Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.
All specifications and compatibility data verified against officialVAUXHALL documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.
All external links open in new tabs. Please verify current availability of resources.