Mazda CX-30
From 5,226 MOT tests. Above average for its class.
Common MOT failure categories
Pass rate by registration year
What goes wrong?
The most common MOT failure reasons are a tyre seriously damaged, a brake lining or pad worn below 1.5mm and wiper blade missing or obviously not clearing the windscreen. The top issue, a tyre seriously damaged, caused 88 failures in 2024. Checking tread depth (1.6mm legal minimum, 3mm recommended) before your test can save an unnecessary fail. You can check prices at Black Circles if you need replacements. If you need repairs before retesting, sites like BookMyGarage let you compare local prices.
| a tyre seriously damaged | 88 |
| a brake lining or pad worn below 1.5mm | 40 |
| wiper blade missing or obviously not clearing the windscreen | 34 |
| tyre tread depth not in accordance with the requirements | 29 |
| a shock absorber damaged to the extent that it does not function or showing signs of severe leakage | 23 |
| engine mil illuminated indicating a malfunction | 10 |
| number plate does not conform to the specified requirements | 8 |
| brake disc or drum significantly and obviously worn | 8 |
| the aim of a headlamp is not within limits laid down in the requirements | 7 |
| windscreen washers not working or not providing sufficient fluid to clear the windscreen | 7 |
Mazda CX-30 on UK roads
The fleet is growing: 7,465 newly registered in the past year with 450 leaving, a net gain of 7,015. Currently at its highest numbers ever.
Quarterly breakdown
| Quarter | On road | SORN | New | Gone | Net |
|---|---|---|---|---|---|
| 2025 Q3 | 35,815 | 186 | +2,526 | -450 | +2,076 |
| 2025 Q2 | 33,800 | 125 | +1,476 | -0 | +1,561 |
| 2025 Q1 | 32,295 | 69 | +2,149 | -0 | +2,152 |
| 2024 Q4 | 30,158 | 54 | +1,314 | -0 | +1,338 |
| 2024 Q3 | 28,821 | 53 | +1,661 | -418 | +1,243 |
| 2024 Q2 | 27,587 | 44 | +1,109 | -0 | +1,137 |
| 2024 Q1 | 26,449 | 45 | +1,429 | -0 | +1,516 |
| 2023 Q4 | 24,915 | 63 | +814 | -0 | +858 |
20 variants on the road
| Variant | Fuel | Licensed | Share |
|---|---|---|---|
| Cx-30 Sport Lux Mhev | Petrol | 4,848 | 14% |
| Cx-30 Se-L Lux Mhev | Petrol | 3,861 | 11% |
| Cx-30 Gt Sport Mhev | Petrol | 2,716 | 8% |
| Cx-30 Prime-Line Mhev | Petrol | 2,097 | 6% |
| Cx-30 Sport Lux Mhev Auto | Petrol | 1,909 | 6% |
| Cx-30 Homura Mhev | Petrol | 1,803 | 5% |
| Cx-30 Exclusive-Line Mhev | Petrol | 1,700 | 5% |
| Cx-30 Gt Sport Tech Mhev | Petrol | 1,651 | 5% |
| Cx-30 Gt Sport Mhev Auto | Petrol | 1,644 | 5% |
| Cx-30 Se-L Lux Mhev Auto | Petrol | 1,429 | 4% |
| Cx-30 Se-L Mhev | Petrol | 1,410 | 4% |
| Cx-30 Gt Sport Tech Mhev Auto | Petrol | 1,350 | 4% |
| Cx-30 Exclusive-Line Mhev Auto | Petrol | 1,321 | 4% |
| Cx-30 Centre-Line Mhev | Petrol | 1,281 | 4% |
| Cx-30 Takumi Mhev Auto | Petrol | 1,281 | 4% |
| Cx-30 Homura Mhev Auto | Petrol | 1,219 | 4% |
| Cx-30 Takumi Mhev | Petrol | 1,174 | 3% |
| Cx-30 Centre-Line Mhev Auto | Petrol | 807 | 2% |
| Cx-30 Gt Sport Mhev 4X4 | Petrol | 307 | <1% |
| Cx-30 Gt Sport Tech Mhev 4X4 A | Petrol | 286 | <1% |
Source: DfT vehicle licensing statistics, 2025 Q3. Crown copyright, OGL v3.0.
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2022 | 90.2% | a tyre seriously damaged, lamp emitted colour, position or intensity not in accordance with the requirements |
| 2021 | 92.3% | a tyre seriously damaged, a brake lining or pad worn below 1.5mm |
| 2020 | 90.9% | a tyre seriously damaged, wiper blade missing or obviously not clearing the windscreen |
Typical mileage
Half of all CX-30s tested had between 18,865 and 30,217 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 23,643 median miles, the CX-30 has 0.035 failures per 10,000 miles driven.
Other Mazda models
| Mazda 2 | 74.5% |
| Mazda 3 | 75.2% |
| Mazda MX-5 | 78.7% |
| Mazda 6 | 75.5% |
| Mazda CX-5 | 84.2% |
Common questions
What is the Mazda CX-30 MOT pass rate?
The Mazda CX-30 has a 91.8% MOT pass rate based on 5,226 real MOT tests. This is above the national average.
What are common MOT failures on a Mazda CX-30?
The most common MOT failure on the Mazda CX-30 is a tyre seriously damaged, which caused 88 failures. Other common issues include a brake lining or pad worn below 1.5mm.
How many Mazda CX-30s are on UK roads?
There are 35,815 Mazda CX-30s currently licensed on UK roads, with 186 on SORN.
What is the typical mileage of a Mazda CX-30 at MOT?
The median mileage at MOT for a Mazda CX-30 is 23,643 miles. The middle 50% of vehicles tested have between 18,865 and 30,217 miles.
Buying a used CX-30?
Start with the free tools. Look up the specific vehicle's MOT history on GOV.UK The mileage at each test will show if it's been wound back, and the advisory history tells you what's wearing. Cross-reference that against the typical failures above to see if anything looks unusual for this model.
The free data won't tell you about outstanding finance, theft markers, or write-off history. For that, you need a vehicle history check This is especially important on a private sale where you have fewer legal protections.
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MOT data from DVSA anonymised test results, 2024 test year. Fleet data from DfT vehicle licensing statistics. Crown copyright, OGL v3.0. MOT pass rates are statistical summaries of test outcomes, not assessments of individual vehicle safety or condition. Always inspect a vehicle and check its full MOT history before purchasing. See terms of use.