The Vauxhall Insignia replaced the Vectra as Vauxhall's large family car and executive saloon. Popular as a company car and fleet vehicle, high mileages are common. The diesel variants are well-liked but need careful maintenance to avoid expensive DPF and EGR failures.
Quick Facts — Vauxhall Insignia
Common Engines
1.4 Turbo, 1.5 Turbo, 2.0 Turbo, 1.6 CDTi, 2.0 CDTi
6 Most Common Vauxhall Insignia Problems
These are the faults most frequently seen on the Vauxhall Insignia by UK garages — ranked by how commonly they occur and what they cost to fix.
Fleet and high-mileage diesel Insignias frequently develop DPF issues. Short-journey use accelerates the problem. A blocked DPF in limp mode is one of the most common Insignia faults seen by garages.
💷 Typical repair cost: £100–£1,500
The 2.0 CDTi engine can develop timing chain wear on higher-mileage examples. Cold-start rattle is the warning sign. Needs prompt attention.
💷 Typical repair cost: £600–£1,500
Carbon buildup in the EGR valve is extremely common on high-mileage diesel Insignias. Rough idle, hesitation and EML are the symptoms.
💷 Typical repair cost: £200–£500
The Insignia's air conditioning compressor fails on higher-mileage examples. No cold air and a rattling noise from the compressor area are the symptoms.
💷 Typical repair cost: £300–£800
The Insignia's rear suspension bushes and links wear on higher-mileage examples. Clunking and an imprecise ride are the symptoms — frequently flagged at MOT.
💷 Typical repair cost: £200–£500
Models with FlexRide adaptive dampers can develop faults causing uneven ride height or warning lights. Damper replacement is expensive.
💷 Typical repair cost: £400–£1,000
Got a Vauxhall Insignia Fault?
Find Out What It Is — £1.99
Describe your symptoms and MotorLoom cross-references known Vauxhall Insignia fault data — giving you likely causes, UK repair costs and MOT risk instantly.
Run My Diagnostic — £1.99 →
60 seconds · One-time payment · Instant report
Vauxhall Insignia — MOT Tips
DPF warning light is an automatic fail — check before booking. Check rear suspension on higher-mileage examples as it's a frequent advisory. Ensure all lights and electrics are working correctly.
Engine management light on before your MOT? It's an automatic fail. Run a
MotorLoom diagnostic for £1.99 to get the likely cause and repair cost before booking the test.
Vauxhall Insignia Tyres
Most Vauxhall Insignia models run 215/55 R17 or 245/40 R18 depending on trim level and year. Always check the placard inside the driver's door for the exact size for your vehicle.
Summary
The Insignia is a spacious, comfortable and well-priced used car. Diesel examples need careful DPF management and EGR attention. Always check the service history on high-mileage fleet examples.
If your Vauxhall Insignia has a warning light on or a symptom you can't identify, a MotorLoom diagnostic report for £1.99 gives you likely fault causes, UK repair cost estimates and MOT risk — instantly.
Vauxhall Insignia Warning Light On?
Get Your Report — £1.99
Instant fault analysis, UK repair costs and MOT risk for your exact Vauxhall Insignia.
Run My Diagnostic →
One-time £1.99 · No subscription · Instant results
Other Vauxhall Models