Reliability

Is the Mazda CX-5 reliable? Honest answer.

Is the Mazda CX-5 a reliable car? What the MOT failure data, owner forums and reviews say, with year-by-year notes.

Updated 4th September 2026 DVSA data: Across 71,845 recorded MOT tests, 16.4% failed.

Mazda CX-5
Image via Wikipedia, CC-licensed.

TL;DR

The Mazda CX-5 is generally reliable, especially the 2017 and 2018 models. However, earlier models (2012-2015) have reported issues, particularly with the diesel particulate filter (DPF) and electrical faults. Regular maintenance is crucial for ensuring long-term reliability.

MOT Pass Rates

The Mazda CX-5 has an average MOT pass rate of approximately 80%. This indicates that while many cars pass their MOTs without major issues, a significant number do not. Common failure points include lighting, emissions, and suspension components. Owners should pay attention to these areas during pre-purchase inspections.

Common Failure Modes

The most frequently reported issues for the CX-5 include diesel particulate filter (DPF) problems, which can lead to costly repairs. Electrical faults also appear in owner feedback, particularly in models from 2013 to 2015. Additionally, suspension wear is noted, especially in higher mileage vehicles.

Year-by-Year Analysis

The 2012 to 2015 models tend to have more reported issues, particularly with DPF and electrical faults. In contrast, the 2017 and 2018 models show improved reliability ratings, with fewer complaints and higher owner satisfaction. If considering a used CX-5, these later models are generally safer bets.

Maintenance and Ownership

Regular maintenance plays a crucial role in the reliability of any vehicle. For the CX-5, following the manufacturer’s service schedule can help prevent common issues. Many owners report that with proper care, the CX-5 can provide a reliable and enjoyable ownership experience.

What people are asking

What are the main problems of the Mazda CX-5?

The main problems reported with the Mazda CX-5 include DPF blockages, fuel injector issues, and electrical faults. These issues can lead to significant repair costs if not addressed promptly.

Is a Mazda CX-5 a reliable car?

Yes, the Mazda CX-5 is generally considered a reliable car, particularly the 2017 and 2018 models. However, earlier models may have more frequent issues that potential buyers should be aware of.

What years to avoid when buying a Mazda CX-5?

It is advisable to avoid the 2012 to 2015 Mazda CX-5 models due to their higher incidence of reported issues, particularly with the DPF and electrical systems. Opting for the later models can provide a more reliable ownership experience.

Which is more reliable, RAV4 or CX-5?

Both the Mazda CX-5 and the Toyota RAV4 are known for their reliability, but the RAV4 often has a slight edge in owner satisfaction ratings. Buyers should consider their specific needs and preferences when choosing between the two.

What owners say

Reliability is a common theme, with many praising the overall performance and comfort of the vehicle. However, some have reported issues with the DPF, particularly in models from 2012 to 2015. Owners suggest that regular maintenance and using the vehicle for longer journeys can help mitigate DPF problems. Many owners share their experiences with the Mazda CX-5, highlighting both positive and negative aspects.

Another frequent concern among owners is electrical faults. These problems can range from minor glitches to more significant failures, which can be frustrating for owners. Feedback indicates that some drivers have faced issues with electrical components, especially in older models.

Suspension wear is another topic of discussion. Higher mileage CX-5s, particularly those from earlier years, have been noted to experience suspension issues. Owners recommend inspecting the suspension system during pre-purchase checks to avoid unexpected repair costs.

Additionally, many owners express satisfaction with the CX-5’s long-term reliability when properly maintained. Regular servicing and adherence to the manufacturer’s guidelines are highlighted as key factors in ensuring the vehicle remains dependable over time. Overall, the consensus is that while there are some concerns, the Mazda CX-5 can be a reliable choice for those willing to invest in its upkeep.

Mazda CX-5 recall record

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

  1. CATALYTIC REDUCTION (SCR) SYSTEM WIRING MAY BECOME DAMAGED BY CONTAMINATION

    R/2021/439

    Issued 11 January 2022

    Catalytic Reduction (SCR) system wiring may become damaged by contamination

    Remedy:Inspect the SCR harness repair if necessary and fit protector.

    Affects cars built May 2018 to Sept 2020

  2. 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 Apr 2018 to Oct 2018

  3. ONE OR BOTH LED DAYTIME RUNNING LAMPS MAY FLICKER FLASH OR FAIL COMPLETELY

    R/2020/058

    Issued 23 March 2020

    One or both LED daytime Running Lamps may flicker flash or fail completely.

    Remedy:Replace sealing gaskets and install gas absorbing sheets on affected units that operate normally. Replace any faulty units.

    Affects cars built Dec 2014 to Dec 2015

  4. SOOT MAY ACCUMULATE AROUND THE INTAKE SHUTTER VALVE ON THE INLET SIDE OF THE ENGINE

    R/2019/187

    Issued 25 July 2019

    Soot may accumulate around the intake shutter valve on the inlet side of the engine.

    Remedy:Check clean or replace the intake shutter valve and update software.

    Affects cars built Jan 2012 to Jun 2018

4 older recalls 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-5 MOT record

From 71,845 recorded MOT tests, 16.4% failed.

MOT pass and failure rates by year of first registration
RegisteredTestsFailedMedian mileage
20232454.5%25,990 mi
20227,1075.9%24,604 mi
20215,3418.0%31,861 mi
20205,5748.9%37,162 mi
20199,98210.3%46,146 mi
20189,98412.6%55,918 mi
20177,21816.1%66,731 mi
20166,96622.3%76,454 mi

Most common reasons for failure

  1. Tyre tread depth not in accordance with the requirements25.7%
  2. A suspension pin, bush or joint excessively worn22.3%
  3. a brake lining or pad worn below 1.5mm21.1%
  4. A tyre seriously damaged18.0%
  5. Brake disc or drum excessively weakened, insecure or fractured12.8%

Figures cover every Mazda CX-5 tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.

Mazda CX-5 official figures

Median across 80 variants on sale, diesel electric, petrol, petrol electric.

Combined economy
43.5 mpg
WLTP median across variants
CO2 emissions
147 g/km
Sets the first-year tax rate

Official figures for new cars. Real economy varies with driving, load and conditions.

Frequently asked questions

What are common issues with the Mazda CX-5?

Common issues include DPF problems, electrical faults, and suspension wear.

Which model years are the most reliable?

The 2017 and 2018 models generally have better reliability ratings.

Is the Mazda CX-5 good for long-term ownership?

Yes, many owners report satisfaction and longevity with proper maintenance.

What are the main problems of the Mazda CX-5?

Main problems include DPF blockages, fuel injector issues, and electrical faults.

What years to avoid when buying a Mazda CX-5?

It is advisable to avoid the 2012 to 2015 models due to more frequent issues.

Which is more reliable, RAV4 or CX-5?

Both vehicles are generally reliable, but the RAV4 often has a slight edge in owner satisfaction ratings.

Sources