Reliability, safety, running costs and what to check before you buy.
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With 36,835 currently licensed in the UK, the Mazda CX-30 is one of Britain's well-known cars.
Euro NCAP awarded the CX-30 5 stars in 2019, with 99% adult occupant and 86% child protection scores.
It has a 81.2% first-time MOT pass rate — above the UK national average of 72%. Common MOT failure areas include suspension, brakes, lighting.
Annual running costs are estimated at £2,946 for a typical 5-year-old example, breaking down to £245/month or 37p/mile.
NCAP Safety
2019
MOT Pass Rate
81.2%
65,000 tests
Monthly Cost
£245
est. annual total
New From
£26,000
Euro NCAP tested the CX-30 in 2019 and awarded it 5 out of 5 stars.
Adult Occupant
99%
Child Occupant
86%
Pedestrian
80%
Safety Assist
77%
There are 28 known DVSA recalls affecting the Mazda CX-30. Enter a registration number to check whether a specific vehicle is affected.
R/2024/472
On affected vehicles When the hybrid system is powered on or the engine is started multiple warning messages may be displayed the PHEV high-voltage battery cooling system may not function as intended (only PHEV). The defroster seat belt warning and 360° view monitor functions may not operate as designed.
Build dates: 2022-03-15 to 2024-07-15
R/2024/473
On affected vehicles it is possible that a warning to prompt steering wheel operation may not be indicated on the instrument cluster when the driver releases or loosely grips the steering wheel for a certain period while using the Cruising & Traffic Support.
Build dates: 2022-05-31 to 2023-04-17
R/2024/470
On affected vehicles when the hybrid system is powered on or the engine is started multiple warning messages may be displayed the defroster seat belt warning and 360° view monitor functions may not operate the vehicle may to stall or fail to restart.
Build dates: 2022-09-28 to 2024-07-23
R/2024/296
On affected vehicles a fault relating to the software that controls the engine / electric motor clutch may prevent the clutch from re-engaging after braking is carried out.
Build dates: 2022-09-28 to 2024-03-22
R/2024/020
On affected vehicles a fault relating to the Steering rack could result in the driver experiencing a sudden increase in the effort required to steer the vehicle.� This could increase the risk of an accident in certain circumstances.��
Build dates: 2022-03-15 to 2023-12-11
+ 23 more recalls. Check a specific vehicle to see the full list.
Based on 65,000 MOT tests, the CX-30 has a first-time pass rate of 81.2% — above the UK national average of 72%.
This is a positive sign for reliability. The CX-30 is less likely to have issues at MOT time than the average car on UK roads.
Annual running costs for a typical 5-year-old Mazda CX-30 are estimated at around £2,946 per year, or £245 per month.
Fuel
£1,046
/year
Road Tax
£195
/year
Depreciation
£1,050
/year
MOT
£55
/year
Estimated annual running costs based on available data. Excludes insurance, parking, and finance costs. Actual costs depend on your driving habits and circumstances.
The CX-30 achieves a combined fuel economy of around 50.4 mpg (42.8 mpg urban, 46.3 mpg extra-urban).
| Variant | Fuel | Combined | Engine |
|---|---|---|---|
| CX-30 | PETROL | 50.4 mpg | 2.0L |
| CX-30 | PETROL | 47.1 mpg | 2.5L |
Starting from £26,000 new, a Mazda CX-30 typically retains about 56% after 3 years and 46% after 5 years.
| Age | Retained | Est. Value | Lost |
|---|---|---|---|
| 1 year | 75% | £19,500 | −£6,500 |
| 2 years | 64% | £16,600 | −£9,400 |
| 3 years | 56% | £14,600 | −£11,400 |
| 4 years | 50% | £13,150 | −£12,850 |
| 5 years | 46% | £12,100 | −£13,900 |
| 6 years | 43% | £11,250 | −£14,750 |
| 7 years | 41% | £10,550 | −£15,450 |
| 8 years | 39% | £10,050 | −£15,950 |
| 9 years | 37% | £9,550 | −£16,450 |
| 10 years | 35% | £9,050 | −£16,950 |
There are currently 36,835 licensed and 187 SORN CX-30s in the UK (37,022 total). This makes it a common vehicle on UK roads.
The CX-30 has a 81.2% first-time MOT pass rate based on 65,000 tests — above the UK national average of 72%. This suggests good overall reliability.
Euro NCAP awarded the CX-30 5 out of 5 stars when tested in 2019. It scored 99% for adult occupant protection, 86% for child occupant protection, 80% for vulnerable road users, and 77% for safety assist features.
Annual running costs for a typical 5-year-old CX-30 are estimated at around £2,946 per year (£245/month). This includes fuel, road tax, depreciation, and MOT fees — but excludes insurance, servicing, and repairs.
There are 28 known safety recalls affecting the CX-30. These are issued by the DVSA when a safety defect is found. You can check if a specific vehicle is affected by entering its registration number.
A new CX-30 starts from around £26,000. After 5 years, a typical example retains about 46% of its original value.
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