Pass rate
86.6%
Above average — 1.3 pts behind the 87.9% that cars this age and mileage manage.
Across 42,755 recorded tests.
Typical repair bill £32–£81
2018 Vauxhall Insignia MOT pass rate
- 2018
- 3 trims combined
- typical 60,328 mi
Most common fault
Tyres
35.2% of faults · 19.8% nationally
mostly tread below the limit, cuts and sidewall bulges.
Part only £55–£85 for Tread depth below 1.6 mm. What fitting it takes →
1.4 pts down across model years — 8.6% in 2009, 7.2% in 2021.
Which year to buy
- Best 2020 88.4% pass
- Avoid 2009 74.0% pass
Across the 15 years on record, a spread of 14.4 points. See every year →
- First-attempt pass
- 84.7%
- Typical mileage
- 60k mi
The 2018 Vauxhall Insignia MOT pass rate is 86.6% of its MOT tests — 1.3 points behind what its age and mileage predict. Tyres is the biggest single reason it fails, at 35.2% of what testers record.
Check your postcode
MOT pass rates are national — type your postcode to see how Vauxhall Insignia does in your corner of the country.
Expert verdict
Tyres: 1.8× the national share
Tyres make up 35.2% of everything recorded on the 2018 Vauxhall Insignia, against 19.8% nationally — 15.4 points above. Check all four tyres yourself, including the inner shoulders, and look at the date stamp — a tyre can pass on tread and still be six years old.
Written from this page's own figures: fault shares against the national composition, the like-for-like pass rate, and the priced repair list. How these are worked out
Watching a Vauxhall Insignia? Get an email when these numbers change .
Every Vauxhall Insignia first registered in 2018 is combined here — 3 trim and body variants in total — so the sample is as large as the DVSA data allows.
How does the 2018 Vauxhall Insignia compare?
Cars of this age and mileage average 87.9%, so this figure is 1.3 points behind what its age and mileage predict. On a first attempt, before any retests, the figure drops to 84.7%. The median 2018 Vauxhall Insignia in this dataset had covered 60,328 mi.
The most common fuel recorded here is Diesel — 64% of tests, with a 85.2% pass rate. Pass rates also shift with the test month: tests recorded October–March passed 86.9% of the time, April–September 86.3%.
The single most recorded failure item is "Brake pads less than 1.5 mm thick", noted on 2.15% of tests.
- 42,755 recorded tests behind this page.
- 86.6% overall pass rate, 84.7% on a first attempt.
- Across every year of the Vauxhall Insignia, the average is 78.8% — best year 2020 (88.4%), worst 2009 (74.0%).
Figures count every completed test on this vehicle-year in the dataset, including retests. See methodology for the exact definition.
This page's data
- Tests analysed
- 42,755
- Typical mileage (median)
- 60,328 mi
- Make and model
- Vauxhall Insignia
- Updated
- 2026-11-05
Source: DVSA anonymised MOT test data (2023–2025), OGL v3.0.
Top part to budget for
Brake Pads Set
Usually a DIY or independent-garage job.
Does mileage affect the Insignia MOT pass rate?
Pass rate by odometer reading. Bar lengths start at 74% so small gaps stay visible.
Fuel type and reliability
Pass rate by fuel type. Diesel is the most common here (64% of tests).
Regional pass rates for the Insignia
| Region | Tests | Pass rate |
|---|---|---|
| South East | 5,892 | 87.4% |
| Scotland | 5,839 | 84.3% |
| North West | 5,726 | 86.3% |
| Yorkshire | 4,686 | 86.7% |
| West Midlands | 4,623 | 87.3% |
| East of England | 4,150 | 87.3% |
| South West | 3,397 | 85.0% |
| East Midlands | 3,267 | 86.7% |
| North East | 2,553 | 86.4% |
| Wales | 1,527 | 88.3% |
| London | 1,095 | 91.1% |
Regions come from the postcode area recorded at the test station. Areas on region borders are assigned to the region with the majority of their population.
What fails a 2018 Insignia
Everything a tester recorded on this vehicle, grouped into the inspection sections that produced it. The notch on each bar is the national share, so you can see at a glance whether this car is unusual or just ordinary.
A test can record several items, so these percentages do not add up to 100%. The exact strings, with prices, are in the full DVSA record at the bottom of this page.
Before your test
Three checks worth doing on a 2018 Insignia
These are not generic tips — they are the faults recorded most often on this exact model, rewritten as things you can check yourself. All three take about ten minutes and cost nothing.
-
Check the brakes 2.1% of tests
“brake pads less than 1.5 mm thick”
Look through the spokes of each wheel at the pad — less than 3mm of friction material, or a lip on the disc edge, is the usual failure. Check the handbrake holds on a slope with a few clicks, not at the top of its travel.
-
Check the windscreen 2.1% of tests
“windscreen damaged”
Check the driver’s side of the screen within the swept area for chips and cracks; anything larger than 10mm in the driver’s central view is a fail. Most chips can be resin-repaired for far less than a new screen.
-
Check the lights 2.0% of tests
“malfunction indicator lamp inoperative or indicates a malfunction”
Switch everything on and walk round the car: both headlamps on dip and main, every indicator, both brake lights, reverse, fog and the two number-plate lamps. A bulb is a few pounds and a five-minute job.
Shares are the proportion of tests on this vehicle that recorded the item, so they overlap: one test can record several.
What it costs to get a 2018 Insignia through its MOT
Across the 10 items that are recorded most often on this model, the average repair comes to £32–£81 — and 40% of those repairs are parts that cost under £30.
- Average repair across the 10 common items
- £32–£81
- Cheapest common item: malfunction indicator lamp inoperative or…
- £3–£12
- Dearest common item: joints constant velocity boot severely…
- £80–£250
- Common items a careful owner can do at home
- 80%
- Repairs that still cost under £30
- 40%
Estimates from typical UK parts prices, weighted by how often each item appears in 42,755 MOT tests on this vehicle. They exclude diagnostics, retest fees and garage labour where the part is a DIY fit, and they are not figures from the DVSA dataset. Older and higher-mileage examples cost more than the average. How these estimates are built → · All MOT repair costs → · Cheapest cars to put through a test →
Every year of the Insignia, side by side
15 model years on record, from 2008 to 2022. Across them the pass rate runs from 74.0% to 88.4% — a spread of 14.4 points. The bar under each year is the item that failed it most often.
- 2008 74.6% registration plate lamp(s)…
- 2009 74.0% shock absorbers has a serious…
- 2010 75.5% registration plate lamp(s)…
- 2011 76.7% registration plate lamp(s)…
- 2012 77.2% registration plate lamp(s)…
- 2013 77.5% registration plate lamp(s)…
- 2014 76.8% registration plate lamp(s)…
- 2015 78.5% coil spring fractured or broken
- 2016 79.4% coil spring fractured or broken
- 2017 83.7% coil spring fractured or broken
- 2018 86.6%brake pads less than 1.5 mm thick
- 2019 87.1% wipers does not clear the…
- 2020 88.4% windscreen damaged but not…
- 2021 87.7% wipers does not clear the…
- 2022 86.1% wipers does not clear the…
Colour is the pass rate on a fixed scale, so a block means the same thing on any model. Each year links to its own page with the full fault breakdown.
Compare the 2018 Vauxhall Insignia with another year
The raw pass rate mostly measures age. The year comparison adds the like-for-like figure, the mileage bands and the repair bill.
Other 2018 cars with a similar record
- Audi A4 86.6%
- SEAT Leon 86.5%
- Volkswagen Amarok 86.5%
- Audi A1 86.7%
- Alfa Romeo Giulietta 86.7%
- Skoda Fabia 86.4%
Closest pass rates among 2018 cars with at least 2,000 tests, so a small sample cannot flatter itself into the list. See the full rankings: best and worst MOT pass rates.
The full DVSA record for the 2018 Vauxhall Insignia 10 failure items · 6 advisories · 10 inspection categories · mileage brackets · all of it in the page, none of it above the fold
Every inspection category
Shares of the 41,292 individual items recorded on this vehicle, and the same share across all cars nationally. A single test can record several items, so a row is not a percentage of tests.
| Category | Items | This car | Nationally | Difference |
|---|---|---|---|---|
| Tyres | 14,584 | 35.20% | 19.76% | +15.44 |
| Brakes | 12,521 | 30.20% | 20.89% | +9.31 |
| Visibility | 2,920 | 7.00% | 4.97% | +2.03 |
| Noise, emissions and leaks | 2,863 | 6.90% | 5.52% | +1.38 |
| Non-component advisories | 2,695 | 6.50% | 4.18% | +2.32 |
| Lamps, reflectors and electrical equipment | 1,999 | 4.80% | 12.21% | −7.41 |
| Suspension | 1,612 | 3.90% | 20.98% | −17.08 |
| Body, chassis, structure | 973 | 2.30% | 5.57% | −3.27 |
| Identification of the vehicle | 576 | 1.40% | 1.76% | −0.36 |
| Road Wheels | 549 | 1.30% | 0.75% | +0.55 |
The exact failure items, in the tester's words
| Recorded item | Severity | Tests | Est. cost |
|---|---|---|---|
| Brake pads less than 1.5 mm thick Brakes | Major | 2.1% | £18–45 |
| Windscreen damaged but not adversely affecting driver's view Visibility | Minor | 2.1% | £80–200 |
| Malfunction indicator lamp inoperative or indicates a malfunction Noise, emissions and leaks | Major | 2.0% | £3–12 |
| Wipers does not clear the windscreen effectively Visibility | Major | 1.4% | £8–22 |
| Wipers blade defective Visibility | Minor | 1.3% | £8–22 |
| Tread depth below requirements of 1.6mm Tyres | Major | 1.3% | £45–95 |
| Has a cut in excess of the requirements deep enough to reach the ply or cords Tyres | Major | 1.2% | £45–95 |
| Tyre pressure monitoring system malfunctioning or obviously inoperative Tyres | Major | 0.96% | £45–95 |
| Joints constant velocity boot severely deteriorated Body, chassis, structure | Minor | 0.70% | £80–250 |
| Wipers does not clear the windscreen effectively Visibility | Rectified | 0.69% | £8–22 |
Severity is as recorded: Major and Dangerous fail the test outright; Minor and Advisory do not. Costs are estimates from typical UK parts prices — see how they are built.
What testers noted without failing the car
Advisories are the early warnings — the same parts a year or two before they fail. Reading them is how you tell a car that has been maintained from one that has been patched.
| Recorded item | Severity | Tests | Est. cost |
|---|---|---|---|
| Tread depth below requirements of 1.6mm Tyres | Advisory | 15.3% | £45–95 |
| Brake pads less than 1.5 mm thick Brakes | Advisory | 13.8% | £18–45 |
| Has a tear, caused by separation or partial failure of its structure Tyres | Advisory | 8.2% | £45–95 |
| Brake discs in such a condition that it is seriously weakened Brakes | Advisory | 7.3% | £45–110 |
| Brake discs significantly and obviously worn Brakes | Advisory | 3.0% | £45–110 |
| Non-component advisories Child Seat fitted not allowing full inspection of adult belt Non-component advisories | Advisory | 2.9% | £20–80 |
Pass rate by mileage
| Mileage | Tests | Pass rate | Median odometer |
|---|---|---|---|
| 0-30k | 3,809 | 91.4% | 22,647 mi |
| 30-60k | 17,332 | 88.4% | 46,200 mi |
| 60-90k | 14,089 | 84.7% | 73,116 mi |
| 90-120k | 5,309 | 83.8% | 102,035 mi |
| 120k+ | 2,189 | 82.8% | 144,035 mi |
Source: 42,755 recorded tests on this vehicle-year. Every row above is recomputed from the same DVSA extract as the rest of the page — see the methodology.
2018 Insignia MOT questions
What is the MOT pass rate for a 2018 Vauxhall Insignia?
86.6% of the 42,755 2018 Vauxhall Insignia tests in this dataset passed, against a national average of 87.9% for cars first used in 2018. First-attempt pass rate: 84.7%.
What are the most common MOT failures on a 2018 Vauxhall Insignia?
The three most recorded items are brake pads less than 1.5 mm thick (2.15%), windscreen damaged but not adversely affecting driver's view (2.09%), malfunction indicator lamp inoperative or indicates a malfunction (2.04%). Percentages are the share of tests on this vehicle that recorded the item.
Does mileage affect the 2018 Vauxhall Insignia MOT pass rate?
Yes. Cars under 30,000 miles passed 91.4% of the time, falling to 82.8% for those over 120,000 miles. The median 2018 Vauxhall Insignia in this dataset had covered 60,328 mi.
Which fuel type is most reliable for a 2018 Vauxhall Insignia?
Diesel: 85.2% pass rate across 27,560 tests. Petrol: 89.1% pass rate across 15,195 tests. Shares are of the tests on this vehicle that recorded each fuel type.
Does the season affect the 2018 Vauxhall Insignia MOT pass rate?
Tests recorded in the winter months (October–March) passed 86.9% of the time; summer months (April–September) passed 86.3%. Brakes, tyres and lights are tested harder in bad weather, but the difference is small on most models.