Used car guide · 2021–2025

Mazda MX-30 common problems and MOT failures

What goes wrong on a used Mazda MX-30, year by year: known faults from UK buying guides, the parts flagged at MOT more than on other cars (from 4,755 MOTs done during 2023–2025), and what to check before you buy one.

The 2023 Mazda MX-30

Cars registered in 2023 haven’t had their first MOT yet (it’s due at 3 years old), so there are no MOT results to show. There are no known faults on record for this year in the UK buying guides we use, so the rest of this page covers the Mazda MX-30 as a whole.

1,164on the UK register at the end of 2025
2026first MOT due
Electricmost common fuel (also plug-in hybrid)
What to check on a 2023 car
  • Warranty left

    Ask for the date it was first registered and check how much of the maker’s warranty is left, and that it transfers to you. Electric and hybrid batteries usually have a longer, separate warranty.

  • Servicing

    Servicing on time with the maker’s schedule keeps the warranty valid. Ask for the service book or the dealer’s digital record.

  • Finance

    Nearly new cars are often still on finance. A history check shows outstanding finance, and whether it has been written off or stolen.

  • Recalls

    Ask whether any recall work has been done, and check the reg on GOV.UK’s free recall checker.

  • Logbook (V5C)

    The name and address should match the seller, and the VIN on the V5C should match the car.

Check for recalls on GOV.UK

Other years

Most years have their own guide. The year is when the car was first registered (it’s on the logbook, or check the reg below).

20252024202320222021

What usually goes wrong with a Mazda MX-30?

We haven’t found widely reported faults for the Mazda MX-30 in the UK buying guides we use yet. That doesn’t mean it has none, so check the car carefully and look at the MOT weak spots below.

Common Mazda MX-30 MOT failures to check

Parts flagged at MOT well above the usual rate for cars the same age. From the DVSA’s results for every MOT done in Great Britain during 2023–2025.

  • Shock absorbers

    up to 7.6× usual

    Stands out on cars registered in 2021 and 2022.

    Rough price £200–£300 (pair, average rear to front) ClickMechanic

    At the viewing: Push down hard on each corner. It should bounce once and settle. Look for oil on the shock absorber body.

  • Brake discs

    up to 1.9× usual

    Stands out on cars registered in 2021.

    Rough price £150–£350 our estimate

    At the viewing: Look through the wheel at the brake disc: a deep lip at the edge or heavy scoring means they're worn. Feel for judder when braking.

Mazda MX-30 MOT pass rate by year

Older cars fail more, so compare each year with all cars registered the same year.

YearPass first timeAll cars that yearMOT tests
202292%89% +3911
202190%87% +33,844

Questions to ask the seller before buying a Mazda MX-30

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Any recent work on the shock absorbers? (Flagged at MOT 7.6× as often on the Mazda MX-30 as on other cars the same age.)
  2. Any recent work on the brake discs? (Flagged at MOT 1.9× as often on the Mazda MX-30 as on other cars the same age.)
  3. Can I see the service history and receipts for any big jobs?

Looking at a Mazda MX-30?

Check the actual car: its own MOT history, whether it already shows these weak spots and what to ask the seller. Free, no sign-up.

Where this comes from: MOT figures are the DVSA’s anonymised results for every MOT test done in Great Britain during 2023–2025, grouped by the year each car was first registered. How many are on the road is from the Department for Transport’s vehicle licensing statistics. Known faults are from UK buying guides, in our own words, with links. How we score