Porsche MOT Failure Rates

MOT failure rates for 7 Porsche models, ranked from highest to lowest failure rate. The checked-in dataset contains 148,509,908 recorded DVSA MOT tests.

Porsche Recorded MOT Overview

Across 7 included model groups, Porsche has a sample-size-weighted historical MOT failure rate of 12.7% from 684,678 tests. That is below the dataset-wide reference of 26.9%. This describes the included groups and does not predict an individual vehicle's result.

The lowest recorded failure rate among the included Porsche model groups belongs to the Porsche Taycan with a 7.1% failure rate. The highest failure rate belongs to the Porsche Boxster at 16.8%.

These figures are calculated from real DVSA MOT test records and represent weighted averages across all vehicle ages and mileage bands. Only model groups with 100 or more test records are included; the sample size is shown for context.

Which Porsche Models Fail MOT Most?

Model Failure Rate Total Tests
Porsche Boxster 16.8% 156,234
Porsche Macan 16.2% 191
Porsche Cayenne 13.7% 149,170
Porsche 911 11.2% 253,372
Porsche Panamera 10.4% 37,805
Porsche Cayman 9.8% 72,421
Porsche Taycan 7.1% 15,485

How we calculate failure rates: Rates are weighted averages across all mileage bands for each model group. Only groups with 100+ test records are shown. The checked-in data contains 148,509,908 tests and 39,969,903 failures.

Porsche MOT FAQs

What is the recorded Porsche MOT failure rate?

The sample-size-weighted rate across the 7 included Porsche model groups is 12.7%, based on 684,678 tests. Individual group rates and sample sizes appear above. These historical group outcomes are not an assessment of a specific car.

Which included Porsche model group has the lowest rate?

The Porsche Taycan has the lowest MOT failure rate at 7.1% among the groups shown. This is a historical population comparison, not a recommendation. See full Porsche Taycan MOT data.

Which Porsche model fails MOT most?

The Porsche Boxster has the highest failure rate at 16.8% among the groups shown. The rate does not describe the condition of a particular car. See full Porsche Boxster MOT data.

How can I assess a Porsche before its MOT?

AutoSafe offers a free MOT-history and comparison report. Enter your registration number and postcode to see the recorded history, mileage source and closest available comparison group.

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