73 AUTO

MOT performance

Mazda MX-5 MOT pass rate and common failures

Across 188,374 MOT tests of the Mazda MX-5 in 2023–2024, 74.1% passed first time. Allowing for age, mileage and fuel, Mazda MX-5s failed 17% less often than comparable cars. The most common failure item was “coil spring: fractured or broken”, on 3.09% of tests.

188,374 MOT tests on 98,830 vehicles, 2023–2024 · Source: DVSA (Open Government Licence) · Analysis: 73 Auto

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At a glance

Mazda MX-5 MOT results at a glance
FigureValueBasis
First-time pass rate74.1%±0.2 pts (95%), n = 188,374
Failures vs similar cars0.83×same age, mileage and fuel = 1.00
Tests with a dangerous defect5.3%n = 188,374
Average age at test14.6 yearsn = 188,374
Median mileage at test58,848 milesn = 188,374
Vehicles tested98,8302023–2024

Where Mazda MX-5s fail

The share of MOT tests that failed on each area, and how that compares with cars of the same age, mileage and fuel. Areas where the difference is large and clear link to their own page.

Mazda MX-5 MOT failures by area
AreaTests failed on itvs similar cars
Suspension9.2%-8%
Lights, reflectors and electrical8.0%-39%
Brakes7.9%+1%
Noise, emissions and leaks4.9%+8%
Driver's view of the road4.1%-27%
Body, chassis and structure3.1%-36%
Tyres3.0%-43%
Seat belts and airbags1.9%+33%
Steering0.8%-61%
Registration plates and VIN0.4%-8%
Road wheels0.2%-45%
Speedometer and driving controls0.0%-38%

Most common failure items

Most common Mazda MX-5 MOT failure items
ItemAreaShare of tests
Coil spring: fractured or brokenSuspension3.09%
Wipers: does not clear the windscreen effectivelyDriver's view of the road2.17%
Component mounting prescribed areas: prescribed area excessively corroded significantly reducing structural strengthSuspension2.15%
Service brake performance: excessively bindingBrakes2.14%
Position lamp: not workingLights, reflectors and electrical2.06%
Catalyst emissions: Lambda reading after 2nd fast idle outside specified limitsNoise, emissions and leaks1.86%
Brake pads: less than 1.5 mm thickBrakes1.53%
Prescribed areas: prescribed area strength or continuity significantly reducedSeat belts and airbags1.52%
Washers: provides insufficient washer liquidDriver's view of the road1.32%
Rbt (sp): efficiency below requirementsBrakes1.13%

Most common advisories

Advisories are items the tester expects to need attention soon; they don't fail the test.

Most common Mazda MX-5 MOT advisories
ItemAreaShare of tests
Brake discs: in such a condition that it is seriously weakenedBrakes9.88%
Condition: has a tear, caused by separation or partial failure of its structureTyres8.20%
Tread depth: tread depth below requirements of 1.6mmTyres7.78%
Brake pads: less than 1.5 mm thickBrakes7.02%
Sub-frame: corroded and seriously weakenedSuspension5.15%

Pass rate by age

Mazda MX-5 MOT pass rate by age at test
Age at test (years)TestsFirst-time pass rateFailures vs similar cars
3-411,62692.5%-29%
5-616,34890.1%-31%
7-814,18186.8%-31%
9-1011,69281.7%-25%
11-1213,46377.0%-22%
13-1528,91871.8%-23%
16+90,01865.6%-10%

Pass rate by registration year

Mazda MX-5 MOT pass rate by registration year
RegisteredTestsFirst-time pass rateFailures vs similar cars
20211,49594.4%0.63×
20202,15794.5%0.60×
20198,11292.4%0.70×
20188,55090.5%0.74×
20179,10390.2%0.65×
20168,22387.4%0.70×
20155,94686.3%0.68×
20145,70982.9%0.77×
20136,21280.7%0.75×
20126,22479.3%0.74×
20116,80275.4%0.80×
20109,38274.6%0.75×
20098,42772.5%0.75×
200810,87669.9%0.78×
200715,52969.7%0.76×
200613,04765.4%0.85×
20056,86563.4%0.91×
20046,87463.3%0.90×
20038,69963.2%0.90×
20026,71265.5%0.85×
20014,11365.0%0.87×
20005,79462.4%0.97×
19995,83064.4%1.00×
19985,36266.8%1.03×
19973,80366.5%1.10×
19962,31965.8%1.13×
19951,44065.7%1.13×
199481469.3%0.99×
199375067.1%1.05×
199280567.6%1.02×
19911,23469.0%1.00×
19901,08169.6%0.97×

Years with fewer tests are shown for completeness; only years with enough tests have their own page.

Compared with similar models

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About this data. These are MOT test results, not a measure of mechanical reliability: a car's MOT outcome reflects its condition on the day, which depends on how it has been maintained and driven as well as how it was built. Figures cover class 4 vehicles (cars and light vans), normal tests only (retests excluded), outcomes pass, fail and pass after rectification at the station; vehicles at least 2.5 years old at test. Tests from 2023-01-01 to 2024-12-30. “Compared with similar cars” means compared with the national rate for cars of the same age, mileage band and fuel. Contains public sector information licensed under the Open Government Licence v3.0. Makes and models are matched to 73 Auto's vehicle catalogue; tests that can't be matched are left out rather than guessed. See how the MOT figures are produced.