Generations
Gen1 — First Generation
2012–2016
1.4 Petrol/Electric Hybrid, 1.4 Range Extender Electric
Top issues to watch for
The most serious Vauxhall Ampera problems ranked by severity. We track 5 known issues — here are the ones you need to know about first.
Major
Engine management light illumination (Gen1)
The hybrid powertrain control system triggers persistent engine management light illumination at rates significantly higher than conventional vehicles. This affects the integration between the 1.4-litre petrol engine, electric motor, and battery management systems. The fault often relates to emissions system monitoring or battery thermal management conflicts. Unlike conventional cars where MIL illumination is often minor, hybrid system faults can affect vehicle operation and charging capability.
What happens if ignoredHybrid system faults can reduce fuel economy, prevent charging, or force the vehicle into reduced power mode. Diagnostic costs are typically high due to specialist hybrid expertise requirements. Complex faults involving battery thermal management or motor controllers can cost £1,000-£3,000 to resolve.
Specialist
£200–£400
Main dealer
£300–£600
Parts only
£100–£1,500
Major
12V battery degradation (Gen1)
The conventional 12V battery experiences accelerated degradation due to the constant electrical loads from the hybrid system's control modules and the infrequent running of the petrol engine to charge it. Unlike conventional cars where the alternator regularly charges the battery, the Ampera relies on a DC-DC converter from the high-voltage traction battery to maintain the 12V system. Battery failure can prevent the vehicle from starting or entering ready mode.
What happens if ignored12V battery failure prevents the vehicle from entering ready mode, effectively immobilising it. The hybrid system requires the 12V battery to initialise before the high-voltage system can operate. Replacement batteries cost £100-200 but require hybrid system recalibration at some dealers, increasing labour costs.
Independent garage
£120–£200
Specialist
£150–£250
Main dealer
£200–£350
Parts only
£100–£180
Minor
CV joint boot deterioration (Gen1)
The constant velocity joint boots on the driveshafts deteriorate at rates significantly higher than the average vehicle, with both severe deterioration and complete loss of boots documented. This appears related to the specific driveshaft design used to accommodate the electric motor integration within the transmission housing. Boot failure allows dirt and water ingress, leading to CV joint wear and eventual replacement of the entire driveshaft assembly.
What happens if ignoredIf the boot splits are caught early, replacement costs £100-200 per side. If dirt ingress damages the CV joint, the entire driveshaft requires replacement at £300-500 per side. The car remains safe to drive with damaged boots but CV joint failure will eventually cause loss of drive to one wheel.
Independent garage
£100–£200
Specialist
£120–£250
Main dealer
£200–£400
Parts only
£40–£150
Minor
Front brake disc warping (Gen1)
The front brake discs warp or develop surface irregularities at rates significantly higher than conventional vehicles, causing brake judder and uneven brake effort. This is likely related to the regenerative braking system's interaction with the conventional hydraulic brakes. The hybrid system's intermittent use of the friction brakes can lead to uneven heating and cooling cycles, promoting disc distortion.
What happens if ignoredWarped discs cause uncomfortable braking judder and can reduce braking effectiveness. Disc replacement typically costs £200-400 for both front discs including labour. The condition worsens progressively and may accelerate brake pad wear on the affected discs.
Independent garage
£200–£350
Specialist
£250–£400
Main dealer
£350–£500
Parts only
£120–£200
1 more known issues tracked
Including wear items, electrical niggles, and generation-specific problems.
MOT failure hotspots
Based on DVSA MOT test data. These are the items where the Vauxhall Ampera fails at a significantly higher rate than the average car.
Light unit fault
Lights & Electrics · 40-60k miles
MOT failure rate: 24x the fleet average
Sample: 306 tests
Emissions failure
Exhaust & Emissions · 40-60k miles
MOT failure rate: 9.1x the fleet average
Sample: 684 tests
Tyre wear or damage
Tyres · 60-80k miles
MOT failure rate: 6.8x the fleet average
Sample: 520 tests
Transmission shaft constant velocity joint boot...
Bodywork · 40-60k miles
MOT failure rate: 6.4x the fleet average
Sample: 919 tests
Suspension pin, bush or joint worn
Suspension · 80-100k miles
MOT failure rate: 5.5x the fleet average
Sample: 905 tests
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Related
- Vauxhall Ampera buyer's guide
- Vauxhall Ampera service history check
- Vauxhall Ampera service schedule & costs
- Vauxhall Ampera MOT failure rates
- How to check Vauxhall service history
- Buying a car without service history
- Vauxhall Ampera car check £7.49
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Vauxhall Ampera reliability FAQs
What are the most common problems with the Vauxhall Ampera?
The Vauxhall Ampera has 5 known issues across 2 severity levels. The most common problems relate to Engine management light illumination (Gen1) and 12V battery degradation (Gen1).
Is the Vauxhall Ampera reliable?
The Vauxhall Ampera has 0 dangerous and 2 major known issues. No dangerous issues are tracked, which is a positive sign.
How much does it cost to fix Vauxhall Ampera problems?
Costs vary by issue. Independent garages are typically 30-50% cheaper than main dealers for most repairs.