Porsche MOT Results And Reliability Indicators

DVLA/DVSA vehicle and MOT data, 2025*

See how Porsche vehicles have performed in MOT tests, then use the results to focus your used-vehicle checks.

  • Compare Porsche pass rates with the Great Britain result
  • See how results change by vehicle age and model
  • Check common MOT faults before viewing a vehicle

These results are MOT reliability indicators for groups of vehicles. They cannot predict the condition of one vehicle.

The quick answer

Porsche MOT Results Overview

Main result

88.5%

Passed First Time Without A Station Repair

Porsche's recorded outright pass rate across qualifying Class 4 MOT tests.

Evidence base

208,281

Porsche Class 4 MOT Tests

The number of qualifying tests used for these results.

Other recorded outcome

1.8%

Passed After A Repair At The MOT Station

Share of qualifying initial tests.

Compared with Great Britain

11.6 percentage points higher

Than The Great Britain Recorded Pass Rate

89.6%

Porsche Rate After Allowing For Vehicle Age

The recorded comparison uses the test results as supplied. The adjusted rate allows for differences in vehicle age.

What this does not tell you: manufacturer statistics describe groups of recorded tests. They cannot prove whether one Porsche is reliable or predict its next MOT result.

Manufacturer benchmark

Porsche MOT Results Compared With Other Manufacturers

Porsche ranked 1 of 37 after applying the same Great Britain vehicle-age profile to every qualifying manufacturer. This reduces the effect of one manufacturer having an older or newer mix of vehicles.

Great Britain outright first-time benchmark: 76.9%. Ranking describes MOT outcomes, not breakdowns, repair costs or the condition of one vehicle.

Vehicle age

Porsche MOT Results By Vehicle Age

Compare the Porsche you are considering with vehicles of a similar age. Each cohort is shown against the Great Britain Class 4 rate at the same age.

Porsche first-time MOT pass rate by vehicle age A line chart comparing Porsche with the Great Britain Class 4 rate at the same vehicle ages. Missing age cohorts are not joined.
PorscheGreat Britain rate at the same age

Hover or select a point for exact figures.

View The Age Data Table
First-time MOT pass rate by vehicle age, 2025
Age (Years) Porsche Tests Porsche Passed First Time Great Britain Same-Age Rate
3 years 16,674 93.4% 89.4%
4 years 12,309 93.9% 88.3%
5 years 12,592 92.9% 87.3%
6 years 13,733 93.3% 85.3%
7 years 11,526 92.3% 83.3%
8 years 12,747 91.4% 81.3%
9 years 12,181 90.1% 78.9%
10 years 11,516 89.1% 76.8%
11 years 8,372 89.7% 74.6%
12 years 6,980 89.4% 72.7%
13 years 6,019 89.5% 71.3%
14 years 4,605 87.9% 69.8%
15 years 4,629 88.8% 68.5%
16 years 4,317 86.7% 67.7%
17 years 4,776 86.0% 66.9%
18 years 6,784 85.1% 66.8%
19 years 7,644 84.2% 66.6%
20 years 8,261 83.0% 66.9%
Pre-purchase inspection points

Common Porsche MOT Faults

These are the most frequently recorded specific failure items in the 2025 Porsche data. The percentages are shares of recorded failure items, not shares of tests. A failed test can contain more than one item.

1Windscreen or window damage: Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view7.52%4.19%
2Tyre seriously damaged: A tyre seriously damaged6.40%3.57%
3Tyre tread below the requirements: Tyre tread depth not in accordance with the requirements4.79%3.74%
4Rear registration plate light not working: A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources4.38%4.98%
5Headlamp aim outside the requirements: The aim of a headlamp is not within limits laid down in the requirements4.30%2.84%

Model comparison

Porsche Model MOT Pass Rates

6 models met the minimum of 5,000 Class 4 tests. Class 4 covers cars, taxis and certain light commercial vehicles, so qualifying model tables may include vans. The table is ordered by outright first-time pass rate. These model rates are not age-adjusted, so different age profiles can affect the comparison.

MACAN recorded the highest rate in this qualifying set at 91.3% across 36,846 tests. BOXSTER recorded the lowest at 84.4% across 35,878 tests. This is a historical MOT comparison, not a prediction for every example of either model.

Swipe to compare

Porsche models with at least 5,000 class 4 tests in 2025
Model Passed First Time Tests Pass Rate Rank
MACAN 91.3% 36,846 1
CAYMAN 89.7% 15,386 2
911 89.2% 49,636 3
PANAMERA 89.2% 7,227 4
CAYENNE 86.2% 32,023 5
BOXSTER 84.4% 35,878 6
Look Beyond The Manufacturer AverageCheck available finance, stolen and write-off records, recorded mileage, recalls and valuation for the registration you are considering.

Check Vehicle History · Current price

Before you buy

Checks For A Used Porsche

Use the free MOT record as one step. A Premium Vehicle Report adds provenance checks that are not included in the free MOT history.

1

Free MOT History

Review passes, failures, advisories and recorded mileage from official MOT records.

Check Free MOT History

2

Premium Vehicle Report

Check available finance, stolen, write-off, salvage, mileage, recall and valuation records.

Check Vehicle History

3

Inspect The Vehicle

Compare the records with the vehicle, seller's information, service history and an independent inspection.

4

Compare Running Costs

Check insurance, tax and likely maintenance before making a purchase decision.

Check The Individual Porsche Before You BuyUse the registration to review available provenance and vehicle records before deciding.

Check Vehicle History · Current price

Questions

Porsche MOT Results And Reliability FAQs

Does an MOT pass rate measure reliability?

It is one reliability indicator. The 2025 Class 4 data shows how Porsche vehicles performed at MOT tests. It does not measure breakdowns, durability, repair costs or the condition of one vehicle.

What does passed first time mean?

An outright first-time pass means the initial recorded test result was a pass, before any repair at the test station or retest.

Which Porsche model had the highest MOT pass rate?

MACAN recorded the highest outright first-time rate among qualifying models at 91.3%. Only models with at least 5,000 tests are included, and these model results are not age-adjusted.

Can I check a Porsche's MOT history for free?

Yes. The free MOT history can show recorded passes, failures, advisories and mileage from official MOT records for the registration you enter.

What does the Premium Vehicle Report add?

It adds available checks for outstanding finance, stolen records, write-off and salvage history, mileage, recalls, valuation and other vehicle data for the individual registration.

How These Results Were Calculated

The analysis uses anonymised DVSA Class 4 MOT tests recorded in Great Britain from 1 January to 31 December 2025. The initial-test analysis excludes abandoned tests, aborted tests and retests. The results use these definitions:

  • Outright first-time pass: the initial recorded result was a pass before rectification at the MOT test station
  • Pass after station repair: a defect was rectified at the MOT test station during that initial test
  • Qualifying initial tests: the denominator contains outright passes, failures and passes after rectification at the MOT test station
  • Station-repair percentage: the share of those qualifying initial tests that passed after station repair
  • Class 4 scope: cars, taxis and certain light commercial vehicles
  • Manufacturer comparison minimum: 50,000 qualifying tests
  • Model comparison minimum: 5,000 qualifying tests
  • Age cohort minimum: 300 tests
  • Fault percentages: shares of recorded failure items, not tests
  • Age adjustment: Clean Green Cars' analytical adjustment, not an official DVSA measure

* DVSA supplied the MOT results. DVLA supplied vehicle data. Clean Green Cars calculated and presented the comparisons. Contains public sector information licensed under the Open Government Licence v3.0.