What is the MOT pass rate in Perth?

74.9% of MOT tests carried out in Perth pass, based on 157,312 tests. Adjusted for the age of cars tested there, the figure is 71.4%.

Does this show cars registered in Perth, or tested there?

Tested there. DVSA's data records the postcode of the testing station, not the vehicle owner's home address, so this reflects cars tested in Perth — which may include vehicles from further afield — not necessarily cars kept locally.

What's the most common MOT failure reason in Perth?

Suspension is the most common failure category among tests carried out in Perth, present in 49.1% of failed tests there.

Perth MOT pass rate

Cars tested in Perth, age-adjusted, passes 71.4% of the time, noticeably below the figure for the national average (79.2%).

74.9%

Raw pass rate

71.4%

Age-adjusted pass rate

-7.9 pts

vs national average

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“Cars tested in Perth, age-adjusted, passes 71.4% of the time, noticeably below the figure for the national average (79.2%).”

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74.9% of 157,312 MOT tests carried out in Perth pass — the age-adjusted figure is 71.4%.

Pass rate by vehicle age in Perth

MOT pass rate by vehicle age band, cars tested in Perth
Vehicle age	Pass rate	Tests
0–3 years	90.6%	11,098
3–6 years	86.9%	44,865
6–10 years	75.9%	52,145
10–15 years	60.9%	31,876
15+ years	56.5%	17,328

Most common MOT failure reasons in Perth

Top MOT failure categories, cars tested in Perth
Category	Share of failed tests
Suspension	49.1%
Brakes	49.1%
Lamps, reflectors and electrical equipment	39.0%
Tyres	23.2%
Body, chassis, structure	17.9%

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Methodology and data source

Source: DVSA “Anonymised MOT tests and results”, data.gov.uk, under the Open Government Licence v3.0.
Coverage: Full year 2024, test class 4 (cars), normal (initial) tests only.
This covers cars tested in Perth (DVSA's postcode_area field is the testing station's location, not the vehicle owner's home address).
The age-adjusted figure is standardised to the national vehicle-age mix, so it isn't just reflecting whether this area's tested fleet happens to run older or newer than average.

Full methodology, filters, and sample thresholds →

Own a car in Perth?

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Frequently asked questions

What is the MOT pass rate in Perth?: 74.9% of MOT tests carried out in Perth pass, based on 157,312 tests. Adjusted for the age of cars tested there, the figure is 71.4%.
Does this show cars registered in Perth, or tested there?: Tested there. DVSA's data records the postcode of the testing station, not the vehicle owner's home address, so this reflects cars tested in Perth — which may include vehicles from further afield — not necessarily cars kept locally.
What's the most common MOT failure reason in Perth?: Suspension is the most common failure category among tests carried out in Perth, present in 49.1% of failed tests there.