Mazda CX-5 Used Car Reliability & MOT Guide
A data-driven UK buyer's guide based on 295,000 official DVSA MOT inspection records. Discover common faults, best model years, and exact risk factors before buying.
Class average for Crossover / SUV: 77%.
Full UK DVSA MOT records analyzed from 2005 to present.
What does the Motor Verdict Score measure?
Proprietary MetricUnlike simple pass-rates, the score weights age & mileage degradation (30%), dangerous defect severity (25%), repeat failure recurrence (20%), and catastrophic repair risk (15%) against millions of class peers.
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Most Common MOT Failures & Advisories
Statistical breakdown of what causes a Mazda CX-5 to fail or receive an advisory note in UK MOT testing.
| Failure / Defect Area | Frequency (%) | Fleet Multiplier | Severity | Buyer Advice |
|---|---|---|---|---|
2.2 SkyActiv-D injector flame trap carbon deposit / oil dilution | 8.4% | 3.2× vs fleet avg | High Severity | Leaking copper injector washers blow combustion gases into engine oil, clogging oil strainer. |
Front brake disc corrosion / warping | 8.1% | 1.2× vs fleet avg | Wear & Tear | Can cause steering wheel shimmy under gentle motorway braking. |
Tyre tread depth | 13.8% | 1.0× vs fleet avg | Wear & Tear | Standard road wear. |
Reliability & Pass Rates by Registration Year
How different production years of the Mazda CX-5 perform under UK MOT inspections.
| Year | Pass Rate | Score | Avg Mileage | Dangerous Defect % | Primary MOT Failure Area |
|---|---|---|---|---|---|
| 2023 | 82.2% | 79/100 | 17,244 mi | 0.8% | Tyre tread depth (12%) |
| 2022 | 80.8% | 78/100 | 25,545 mi | 1% | Tyre tread depth (12.6%) |
| 2021 | 79.6% | 76/100 | 34,119 mi | 1.2% | Tyre tread depth (13.2%) |
| 2020 | 78.2% | 75/100 | 44,074 mi | 1.3% | Tyre tread depth (13.8%) |
| 2019 | 77.4% | 74/100 | 50,605 mi | 1.5% | Tyre tread depth (14.4%) |
| 2018 | 76.4% | 72/100 | 60,950 mi | 1.7% | Tyre tread depth (15%) |
| 2017 | 75.4% | 70/100 | 67,728 mi | 1.9% | Tyre tread depth (15.6%) |
| 2016 | 73.6% | 69/100 | 75,834 mi | 2.1% | Tyre tread depth (16.2%) |
| 2015 | 73.2% | 68/100 | 85,606 mi | 2.2% | Tyre tread depth (16.8%) |
| 2014 | 71.7% | 67/100 | 93,860 mi | 2.4% | Tyre tread depth (17.4%) |
| 2013 | 70.8% | 65/100 | 102,529 mi | 2.6% | Tyre tread depth (18%) |
| 2012 | 69.4% | 63/100 | 110,501 mi | 2.8% | Tyre tread depth (18.6%) |
Risk Profile by Mileage
How mechanical risk and MOT failure probabilities escalate across odometer milestones for the Mazda CX-5.
Pristine mechanical zone. Negligible MOT failure probability outside of tyre punctures.
First MOT inspection threshold. Front brake pads and tyre wear are standard items.
Suspension bushes, anti-roll bar links, and auxiliary drive belts enter wear cycles.
Emissions equipment (DPF/catalytic converters), suspension shocks, and cooling components require verification.
Mazda CX-5 Used Buyer Checklist
Specific physical inspection advice based on statistical MOT defect patterns for this model.
Critical Red Flag to Check
2.2 SkyActiv-D diesel with oil pressure warning or oil level reading well above maximum on the dipstick.
Known Reliability Strengths
- •Superb driver dynamics with sharp steering and engaging manual gearbox
- •2.0 SkyActiv-G naturally aspirated petrol engine is ultra-reliable
- •Premium interior quality rivaling German luxury brands
Key Inspection Watchouts
- •2.2 SkyActiv-D diesel injector washer leaks causing oil starvation
- •Electric folding door mirror motors fail frequently
- •Exhaust camshaft lobe wear on early 2.2 diesels
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Mazda CX-5 Reliability & Buying FAQs
Disclaimer: Statistical insights, reliability ratings, and common problem summaries on this guide are aggregated with the assistance of AI models and historical test trends. While we aim for high accuracy, individual car condition varies and aggregated estimates could contain inaccuracies. This guide is for general research only and is not a substitute for an official vehicle history check or an independent physical pre-purchase inspection.