Reliability

Mazda CX-3 reliability: how dependable is it really?

What Mazda CX-3 owners actually report, by year, plus what MOT data tells us about its reliability.

Updated 4th September 2026 DVSA data: Across 24,965 recorded MOT tests, 13.4% failed.

Mazda CX-3
Image via Wikipedia, CC-licensed.

The Mazda CX-3 is generally regarded as a dependable vehicle, with solid build quality and a reputation for longevity. However, reliability can vary by model year, with certain years showing better performance than others.

Overview of Mazda CX-3 Reliability

The Mazda CX-3 has been praised for its reliability since its launch in 2015. Owners often report minimal issues, particularly with the engine and transmission. The car’s overall design contributes to its durability, making it a popular choice among compact SUV enthusiasts. However, like any vehicle, some years may have specific concerns that potential buyers should consider.

2015: The Launch Year

The 2015 Mazda CX-3 marked the introduction of this compact SUV to the market. As with many new models, early adopters reported a few teething problems, primarily related to the infotainment system and minor electrical issues. However, these concerns were not widespread, and the overall reliability remained strong, supported by positive feedback from early owners.

The 2015 model’s engine performance and handling received high marks, contributing to its appeal. The build quality was also noted as a strong point, with many owners appreciating the premium feel of the interior. Despite some initial hiccups, the 2015 CX-3 established a solid reputation for reliability.

2016: Improvements and Continued Dependability

In 2016, the Mazda CX-3 continued to build on its reputation for reliability. Owners reported fewer issues compared to the previous year, with improvements made to the infotainment system. The 2016 model benefitted from software updates that addressed earlier concerns, leading to a more user-friendly experience.

The vehicle’s performance remained consistent, with the same efficient engine options that had been well-received. The 2016 CX-3 also featured enhanced safety ratings, which contributed to its appeal among families. Overall, this year solidified the CX-3’s standing as a reliable choice in the compact SUV market.

2017: A Steady Performer

The 2017 Mazda CX-3 maintained the reliability standards set by its predecessors. This year saw minimal changes to the model, but it continued to impress with its solid build quality and dependable performance. Owners noted that the vehicle was particularly reliable in terms of engine performance and fuel efficiency.

However, some drivers reported minor issues with the air conditioning system and occasional electrical glitches. Despite these isolated incidents, the 2017 model was generally regarded as a dependable vehicle, with many owners expressing satisfaction with their purchase. The CX-3’s reputation for reliability remained intact, making it a popular option for those seeking a compact SUV.

2018: Reliability Concerns Emerge

In 2018, the Mazda CX-3 faced a few more reliability concerns than in previous years. Some owners reported issues with the automatic transmission, particularly in models with higher mileage. Additionally, there were minor complaints regarding the suspension and steering systems.

Despite these issues, the 2018 model still received positive feedback for its overall performance and handling. Many owners appreciated the vehicle’s stylish design and comfortable interior. While some reliability concerns were noted, they did not significantly tarnish the CX-3’s overall reputation, and many owners remained satisfied with their vehicles.

2019: A Return to Form

The 2019 Mazda CX-3 saw a return to form in terms of reliability. Many of the issues reported in the previous year appeared to be addressed, with improvements made to the transmission and suspension systems. Owners reported a more enjoyable driving experience, with fewer complaints about performance-related problems.

The 2019 model also benefitted from updated safety features and technology enhancements, further solidifying its appeal. The overall reliability ratings improved, with many owners expressing confidence in the vehicle’s performance. This year marked a positive turnaround for the CX-3, reinforcing its status as a reliable compact SUV.

2020: Continued Reliability and Longevity

The 2020 Mazda CX-3 continued the trend of reliability established by earlier models. Owners reported minimal issues, with the vehicle’s engine and transmission performing consistently well. The 2020 model also featured updated technology, enhancing the overall driving experience without compromising reliability.

While the CX-3 faced increasing competition from newer models in the compact SUV segment, its reputation for durability and dependability remained strong. Many owners appreciated the vehicle’s longevity, with several reporting high mileage without significant problems. The 2020 model solidified the Mazda CX-3’s place as a reliable choice for those in the market for a compact SUV.

2021 and Beyond: The Future of CX-3 Reliability

As the Mazda CX-3 evolved into 2021 and beyond, it continued to uphold its reputation for reliability. While newer models may introduce additional features and technology, the core elements that contribute to the vehicle’s dependability remained intact. Owners have reported satisfaction with the vehicle’s performance, safety, and overall build quality.

With ongoing advancements in automotive technology, the CX-3 is likely to adapt and improve in future iterations. However, the foundation of reliability established in earlier models will continue to influence buyer confidence. As the compact SUV market evolves, the Mazda CX-3 is expected to remain a dependable choice for those seeking a reliable vehicle.

the Mazda CX-3 has demonstrated a strong track record of reliability across its model years. While some years have faced minor issues, the overall performance and dependability of the vehicle have remained impressive. For potential buyers, understanding the reliability trends can help inform their decision when considering the Mazda CX-3 as a compact SUV option.

Mazda CX-3 recall record

5 recalls have been issued for the Mazda CX-3, between 2017 and 2022.

  1. LOW PRESSURE FUEL PUMP IMPELLER MIGHT BECOME DEFORMED

    R/2021/435

    Issued 4 January 2022

    The impeller in the low-pressure fuel pump may become deformed causing fuel pump failure.

    Remedy:Replace the low-pressure fuel pump with an improved part.

    Affects cars built Oct 2017 to Sept 2019

  2. CONTROL LOGIC WHICH MONITORS THE CHARGING CONTROL PROGRAM FAILS TO DIVERT ELECTRICAL POWER AWAY FROM CAPACITOR IN THE EVENT OF A FAULT

    R/2018/237

    Issued 17 September 2018

    On the subject vehicles the control logic which monitors the charging control program fails to divert the electrical power away from the capacitor when a fault is detected within the capacitor circuit. This can cause a short circuit inside the DCDC converter and could cause the engine to stall or overheating of the DCDC converter itself which could cause a fire. The fault is accompanied by the �i-ELOOP� warning light being illuminated on the instrument cluster along with the �i-Stop� warning light flashing The engine may in some circumstances stall and fail to restart. In extreme cases the DCDC converter could overheat and cause a fire

    Remedy:Reprogram the PCM with the correct control logic. If error code �U3000: 49-DCDC� is stored � the DCDC Converter must also be replaced.

    Affects cars built Feb 2015 to Apr 2017

  3. SOFTWARE ERROR CAN CAUSE ENGINE TO FAIL

    R/2018/087

    Issued 2 April 2018

    On the subject vehicles the engine protection logic does not work properly. When the engine speed reaches maximum with no engine load present � the software is unable to cut the engine. This could in extreme cases cause catastrophic engine failure. Immediate and catastrophic engine damage may result.

    Remedy:Re-program the engine protection software within the PCM.

    Affects cars built Apr 2015 to Nov 2017

  4. BRAKE HOSE RETAINING CLIP MAY FAIL.

    R/2017/203

    Issued 14 July 2017

    Surface finishing of brake hose retaining clip may be insufficient causing possibility of corrosion and failure of clip.

    Remedy:Replace brake hose clips with modified ones

    Affects cars built May 2016 to May 2016

1 older recall not shown.

A recall applies to a build range, not to every car of this model. Check a registration to see whether one specific vehicle has an outstanding recall.

Mazda CX-3 MOT record

From 24,965 recorded MOT tests, 13.4% failed.

MOT pass and failure rates by year of first registration
RegisteredTestsFailedMedian mileage
20197,4618.5%35,540 mi
20185,5689.7%43,987 mi
20174,81413.2%51,431 mi
20164,81520.3%59,407 mi
20152,30723.7%64,405 mi

Most common reasons for failure

  1. A tyre seriously damaged26.8%
  2. Tyre tread depth not in accordance with the requirements26.6%
  3. a brake lining or pad worn below 1.5mm19.7%
  4. Brake disc or drum excessively weakened, insecure or fractured14.8%
  5. Brake pipe damaged or excessively corroded12.1%

Figures cover every Mazda CX-3 tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.

Frequently asked questions

How reliable is the Mazda CX-3?

The Mazda CX-3 is generally considered to be a reliable vehicle, with many owners reporting few issues over time. Regular maintenance can help ensure its longevity.

What are common problems with the Mazda CX-3?

Some owners have reported minor issues such as electrical faults or problems with the infotainment system. However, these are not widespread and many drivers experience trouble-free ownership.

Is the Mazda CX-3 expensive to maintain?

Maintenance costs for the Mazda CX-3 are typically reasonable compared to other vehicles in its class. Regular servicing and using genuine parts can help keep costs down.

What is the warranty on the Mazda CX-3?

The Mazda CX-3 usually comes with a three-year warranty, which covers most manufacturing defects. Extended warranties may be available for added peace of mind.

How does the Mazda CX-3 perform in reliability surveys?

The Mazda CX-3 often scores well in reliability surveys, ranking favourably against competitors. Many owners express satisfaction with its performance and dependability.

Are there any recalls for the Mazda CX-3?

Recalls are issued against individual vehicles rather than a model as a whole, so a model-level yes or no would be guesswork. Enter the registration on Honest Car Check and we check the DVSA record for that specific car. Where DVSA holds no status, confirm it with a franchised dealer using the VIN.

What should I look for when buying a used Mazda CX-3?

When buying a used Mazda CX-3, check for a full service history, any signs of wear and tear, and ensure all recall work has been completed. A vehicle check can provide additional peace of mind.

How does the Mazda CX-3 compare to other small SUVs in terms of reliability?

The Mazda CX-3 generally compares favourably to other small SUVs regarding reliability, often outperforming many rivals. Its build quality and engineering contribute to its strong reputation.

Sources