Model Reports 8 min read Updated 11 Sep 2026 DVSA open data · 2,217 tests analysed

Mazda MX-5 2000: reliability & common MOT faults

835 first-attempt MOT failures were recorded on the 2000 Mazda MX-5 in 2025. The items recorded most often on them were Catalyst emissions and Rbt (sp). Figures are among first-attempt failed MOT tests, not among all tests.

2000 MX-5 break the MX-5's own run — at 62.3% they land 3.6 pp below the midpoint of the 1999 and 2001 cars either side.

First-attempt pass

62.3%

of 2,217 first tests (2025)

First tests

2,217

test year 2025

Failed first attempts

835

failed first-attempt tests

Most common fail

35.2%

Catalyst emissions

MOT pass rates

First-attempt and official-style rates among class 4 first tests of the year.

First-attempt pass

62.3%

of 2,217 first tests (2025)

Official-style pass

67.9%

incl. same-day PRS fixes

First tests

2,217

class 4 · first MOT of the year

Typical age 25.0 yrs · median mileage 88,118 mi

vs 2024: -0.4 pp first-attempt

Note:

  • Class 4 cars · first MOT of the year per vehicle · P/PRS/F outcomes (2025 data).
  • PRS (fixed at the station the same day) counts as a fail in the first-attempt rate.
  • Raw outcomes for this cohort — not adjusted for age, mileage, or peer mix.
  • MOT doesn't test engine or gearbox internals.

Common faults

Failure patterns that show up more often on this registration year than on similar cars.

These MOT failure patterns show up more often on this registration year than on similar cars of the same class, age, and mileage.

Shares below are measured across the 833 of 835 failed first attempts (99.8%) that recorded an odometer reading in 2025 — the subset the age-and-mileage comparison can be computed on.

Standout: Prescribed areas (rear) — 6.2% of this year's failed first attempts

Recorded on 52 of those tests. It tops the table on elevation — about 4.4× more often than on similar cars of the same age and mileage. That is what makes it unusual for its class, which is a different question from what is most likely to fail; the buying checklist ranks by that. The full ranked list is in the table below.

No patterns met the strongest callout thresholds on this page; showing the highest-lift rows that still cleared the display floors.

Fault pattern Location Failures vs similar cars Share of fails Confidence
Prescribed areas (rear)
Seat belts and supplementary restraint systems > Seat belts > Prescribed areas
 Rear 52 ×4.4 6.2% Likely
Coil spring (rear)
Suspension > Springs > Coil springs > Coil spring
 Rear 34 ×3.6 4.1% Likely
Catalyst emissions
Noise, emissions and leaks > Exhaust emissions > Spark ignition > Catalyst emissions
 Any 293 ×3.5 35.2% Likely
Parking brake performance
Brakes > Brake performance > Parking brake performance > Rbt > Parking brake performance
 Any 31 ×3.2 3.7% Likely
Service brake performance (front)
Brakes > Brake performance > Service brake performance > Rbt > Service brake performance
 Front 45 ×2.0 5.4% Possible
Emissions not tested
Noise, emissions and leaks > Exhaust emissions > Spark ignition > Emissions not tested
 Any 49 ×2.0 5.9% Possible

Only patterns that clear minimum sample and elevation thresholds are shown (at least 20 failures and about 2.0× more often than similar cars).

Note: Rates and comparisons are among first-attempt failed tests, not all MOTs. Patterns come from MOT defect codes — not manufacturer service bulletins, recalls, or a diagnosis of any individual car. Failures and advisories are listed separately.

Advisories

Notes recorded at the test that appear more often than on similar cars.

Advisory notes recorded on failed first-attempt tests that appear more often than on similar cars.

Advisory pattern Location Notes vs similar cars Share Confidence
Suspension arm (rear)
Suspension > Suspension arms > Suspension arm
 Rear 90 ×8.1 10.8% Elevated
Suspension arm (front)
Suspension > Suspension arms > Suspension arm
 Front 94 ×6.0 11.3% Elevated
Sub-frame (front)
Suspension > Sub-frames > Sub-frame
 Front 71 ×5.1 8.5% Elevated
Sub-frame (rear)
Suspension > Sub-frames > Sub-frame
 Rear 86 ×4.0 10.3% Elevated
Brake pads (rear)
Brakes > Mechanical brake components > Brake linings and pads > Brake pads
 Rear 42 ×3.6 5.0% Wear
Component mounting prescribed areas (front)
Suspension > Component mounting prescribed areas
 Front 42 ×2.7 5.0% Elevated
Brake discs (rear)
Brakes > Mechanical brake components > Brake discs and drums > Brake discs
 Rear 89 ×2.3 10.7% Wear
Integral vehicle structure condition (rear)
Body, chassis, structure > Integral vehicle structure > Integral vehicle structure condition
 Rear 28 ×2.1 3.4% Elevated
Note: Advisories are not a fail rate — they flag issues noted at the test, often before they become failures.

If you are buying one

What this year's MOT record means for the decision in front of you.

This year underperforms the MX-5's own age curve. If the years listed below are in budget, they are the stronger buy on this evidence.

What to check on a 2000 MX-5

The items that failed 2000 MX-5 most often, as a share of the year's failed first attempts. This is what goes wrong, not what is unusual — the table further up the page covers that.

  • Catalyst emissions — recorded on 35.2% of failed first attempts
  • Rbt (sp) — recorded on 9.0% of failed first attempts
  • Position lamp (front) — recorded on 7.6% of failed first attempts
  • Headlamp — recorded on 7.1% of failed first attempts
  • Component mounting prescribed areas (front) — recorded on 6.5% of failed first attempts

Every figure here is a first-attempt MOT rate from DVSA open data for this model line. MOTs do not test engine or gearbox internals, so this is a pre-purchase checklist, not a full reliability score.

FAQs

Short answers about how to read this model-year guide.

2000 MX-5 break the MX-5's own run — at 62.3% they land 3.6 pp below the midpoint of the 1999 and 2001 cars either side. In 2025, 62.3% of 2,217 first MOTs on the 2000 Mazda MX-5 passed first time (PRS — items fixed at the station the same day — counted as a fail). The official-style rate including PRS is 67.9%. Among 835 failed first-attempt MOT tests (test year 2025), Prescribed areas (rear) appears more often tha…
Ranked by how often they were actually recorded, the items that failed 2000 Mazda MX-5s most often at the first attempt were Catalyst emissions (35.2%), Rbt (sp) (9.0%) and Position lamp (front) (7.6%) — each as a share of the year's failed first attempts. That is what goes wrong on the car. It is a different question from which patterns are unusual for the class, which the common-faults table answers.
Among failed first-attempt tests we highlight patterns that appear more often than on similar cars. Top example: Prescribed areas (rear) (6.2% of those tests; 52 observed failures; about 4.4× more often than similar cars). These are statistical signals, not a diagnosis of any individual car.
Prescribed areas (rear) shows up more often than on similar cars (6.2% of those tests; 52 observed failures; about 4.4× more often than similar cars). That does not prove a design fault — age, mileage, and how the car was used still matter. Treat it as a pre-purchase check point, not a manufacturer service bulletin.
Common MOT problem areas for the 2000 Mazda MX-5 include Prescribed areas (rear), Coil spring (rear), Catalyst emissions. These patterns show up more often than on similar cars after we filter out sparse noise — not a full list of every possible fault on an individual car.
Advisories flag issues noted at the test and are not a fail rate. We show advisory patterns that appear more often than on similar cars among failed first-attempt tests, separate from common failure rows. Use them as early-warning checks, not as a pass/fail score.
This page highlights MOT failure patterns for the 2000 Mazda MX-5 (registration year) using UK DVSA open data for the selected test year. Patterns are compared with cars of a similar age and mileage. It is a buyer checklist from MOT defect statistics — not a full service history or manufacturer service-bulletin list.
No. MOT tests do not cover engine internals, gearboxes, or many electronic modules. Patterns here come from MOT defect statistics only and should not be read as engine or gearbox reliability scores.

About this data

How this page is built and what it can (and can't) say.

These figures come from UK MOT open data for this model year. We surface common failure patterns against similar cars — not a full reliability score, and not a pass/fail verdict on any individual vehicle.

2024 2025

What we include

UK Class 4 cars only. Normal MOT tests (not retests); first test per vehicle per calendar year; results pass, PRS, or fail.

Same-day repairs

PRS means the car failed items that were fixed at the test station and then passed the same day. We count PRS as a first-attempt fail in headline rates so same-day repairs do not hide problems.

How we compare

We compare this model year with other Class 4 cars of similar age and mileage in the same test year. This model family is left out of the peer group so the car is not measured against itself.

What this does not cover

  • MOTs do not cover engine internals, gearboxes, or many electronics — this is not a full reliability score.
  • Common faults come from MOT defect stats, not manufacturer TSBs or recalls.
  • Age and mileage matching reduces — but does not remove — differences in how cars were used and maintained.
  • We never invent pass rates, star scores, or ranks when those data marts are missing.

Contains public sector information licensed under the Open Government Licence v3.0.

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