Should I buy a 2017–2019 Vauxhall Insignia 1.5 Petrol Automatic?

Explore common problems, estimated repair costs and practical checks for the 2017–2019 Vauxhall Insignia 1.5 Petrol Automatic. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.

Common problems

1High Likelihood

Brake vacuum assist loss

Brake pedal feels unusually hard, especially after repeated braking or at low speed, and the car needs more leg pressure to stop.

How to check

During a short drive, slow the car several times in normal traffic and note whether pedal effort stays consistent.

Estimated Repair Cost

£1,100

2High Likelihood

Cooling system leaks from thermostat or housing area

Coolant level drops between services, sweet smell after a drive, or the heater temperature varies more than it should.

How to check

Warm the car fully, use the cabin heater, then stop and let it idle for a minute.

Estimated Repair Cost

£550

3Moderate Likelihood

Battery drain or charging-system faults

Slow cranking, stop-start not working properly, warning lights after standing, or the battery going flat without an obvious reason.

How to check

Start the car from cold, use lights and blower during the drive, then restart it after switching off for a minute.

Estimated Repair Cost

£420

MOT Failure Rate

0%10%20%30%0–20,000 miles: 7.1% (509 failed / 7,206 tests)20,000–40,000 miles: 12.0% (2,774 failed / 23,069 tests)40,000–60,000 miles: 14.2% (3,144 failed / 22,075 tests)60,000–80,000 miles: 17.1% (1,885 failed / 11,043 tests)80,000–100,000 miles: 19.8% (732 failed / 3,697 tests)100,000–120,000 miles: 22.2% (239 failed / 1,076 tests)120,000–140,000 miles: 20.1% (77 failed / 383 tests)140,000–160,000 miles: 22.0% (33 failed / 150 tests)160,000–180,000 miles: 22.7% (17 failed / 75 tests)180,000–200,000 miles: 18.5% (5 failed / 27 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2017–2019 Vauxhall Insignia 1.5 Petrol Automatic

Vauxhall Insignia buying questions

Is a 2017–2019 Vauxhall Insignia worth buying?

It can be, but only if the individual car backs it up. For the 2017–2019 Vauxhall Insignia 1.5 Petrol Automatic, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Vauxhall Insignia (2017–2019)?

The problem cards above list the model-level checks for this guide. Read them as priorities for inspection and paperwork review, not proof that every example will have those faults.

What should I check before buying a Vauxhall Insignia?

Look for evidence, not just assurances: MOT advisories, service history, repair invoices, warning lights, fluid leaks, tyre and brake condition, and how the car behaves on a proper test drive. And of course, look at your personalised Should I Buy This Car? report, outlining a full list of common issues in detail, a personalised road test, a plain-English explanation and a MotorIQ score.

A model guide is useful. A report on its registration is better.

The guide above gives you the model-level pattern. A personalised MotorIQ report checks the registration-specific record and turns it into an ownership view before you commit.

Or enter the vehicle manually