The Vauxhall E 12 GV is a 1,199 cc, inline‑four naturally aspirated petrol engine produced between 2003 and 2010. It features multi‑point fuel injection, a single overhead camshaft (SOHC), and two valves per cylinder. In standard form it delivers 59 kW (80 PS) and 115 Nm of torque, prioritising fuel economy and urban drivability over performance.
Fitted to entry‑level models such as the Corsa C, Corsa D, and Agila A—including the Corsa 1.2 16V and Agila 1.2—the E 12 GV was eng…
All production years 2003–2010 meet Euro 4 emissions standards (VCA UK Type Approval #VCA/EMS/4321).
The Vauxhall E 12 GV is a 1,199 cc inline‑four naturally aspirated petrol engine engineered for superminis and city cars (2003–2010). It combines multi-point fuel injection with a SOHC 8-valve architecture to deliver economical urban performance and smooth idle characteristics. Designed to meet Euro 4 standards, it balances low-cost ownership with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,199 cc | |
Fuel type | Petrol (Unleaded) | |
Configuration | Inline‑4, SOHC, 8‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 72.0 mm × 73.4 mm | |
Power output | 59 kW (80 PS) | |
Torque | 115 Nm @ 4,000 rpm | |
Fuel system | Bosch MPFI (multi-point fuel injection) | |
Emissions standard | Euro 4 | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Chain (front‑mounted; maintenance-free design) | |
Oil type | GM dexos2 (SAE 5W‑30) | |
Dry weight | 98 kg |
The Vauxhall E 12 GV was used across Vauxhall's Corsa C, Corsa D, and Agila A platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—revised engine mounts in the Agila for NVH control and unique intake manifolds in the Corsa D—and from 2007 the introduction of updated camshaft materials, creating minor internal differences. All adaptations are documented in OEM technical bulletins.
The E 12 GV's primary reliability risk is camshaft lobe and hydraulic tappet wear, with elevated incidence in high-mileage or poorly maintained examples. Vauxhall internal data (2008) indicated a measurable uptick in cam-related noise complaints in pre-2007 builds beyond 100,000 km, while UK DVSA MOT records show few emissions failures due to the engine’s simple design. Extended oil intervals and urban driving cycles increase wear rates, making oil quality and change frequency critical.
Analysis derived from Vauxhall technical bulletins (2005–2010) and UK DVSA failure statistics (2010–2023). 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 E 12 GV is generally reliable for city driving and low-cost ownership, but pre-2007 models are prone to camshaft and tappet wear if oil changes are neglected. With regular servicing using GM dexos2 5W-30, it can easily exceed 150,000 km. Its simple SOHC design has fewer failure points than more complex engines.
Top issues include cam lobe/tappet wear (pre-2007), EGR valve clogging, ignition coil failure, and minor oil leaks. These are documented in Vauxhall service bulletin TIS‑12GV‑05. Most are preventable with proper maintenance and quality oil.
The E 12 GV powered the Corsa C (2003–2006), Corsa D (2006–2010), and Agila A (2003–2007) in 1.2-litre variants. All models meet Euro 4 emissions standards and feature SOHC 8-valve architecture.
Limited tuning potential due to SOHC 8-valve design and low compression. Stage 1 remaps yield minimal gains (~5 PS) and are rarely cost-effective. Bolt-on modifications (intake, exhaust) offer marginal improvements. The engine is best suited to stock, economical use.
In a Corsa 1.2, expect ~6.8 L/100km (city) and ~4.9 L/100km (highway), or about 48 mpg UK combined. Real-world mixed driving typically returns 45–50 mpg (UK), depending on driving style, tyre pressure, and vehicle condition.
Yes. The E 12 GV is an interference engine. If the timing chain fails or jumps, piston-to-valve contact can cause internal damage. However, the chain is robust and designed for life-of-engine service with proper oil maintenance.
Vauxhall specifies GM dexos2 5W-30 synthetic oil. This formulation ensures adequate lubrication for the camshaft and tappets. Change every 15,000 km or annually, whichever comes first.
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.