2016 Fiat 500X 1.6L Diesel · WN66 ONU
2016 Fiat 500X (1.6L, diesel). First registered 22 Sept 2016. Recorded mileage 73,227 miles. MOT expired on 08 Jul 2026. A manufacturer safety recall is currently outstanding.
- Make & Model
- FIAT 500X
- Year / Origin
- 2016 · Bristol
- Safety Recall
- Recall Notice
- MOT Status
- Expired on 08 Jul 2026
- Road Tax
- —
- Recorded Mileage
- 73,227 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 1.6L
- Reliability Guide
- Common Faults
Outstanding Safety Recall Notice
Action RequiredOfficial DVSA telemetry indicates this vehicle has an unaddressed manufacturer safety recall. Remedial repairs are legally required to be carried out 100% free of charge by an authorised main dealer.
WN66 ONU Key Findings
- 3 MOT tests recorded
- Outstanding manufacturer safety recall notice
- Latest MOT passed on 10/07/2025
- 73,227 miles recorded at latest MOT
- 1 historical MOT failure
- 1 defect noted at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
MOT Roadworthiness: Poor
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Fiat Fiat 500X
Our database tracks 4 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
WN66 ONU Mileage History
- 10/01/202351,836 mi
- 10/07/202573,227 mi+21,391 mi
- 10/07/202573,227 mi
Average of roughly 8,567 miles per year across 3 recorded odometer readings.
WN66 ONU MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
3 MOT tests are recorded for this 2016 Fiat 500X (WN66 ONU) between January 2023 and July 2025.
The record contains 2 passes and 1 failure.
The most recent test on 10 July 2025 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Tyres (5 issues), Brakes (3 issues), Bodywork (2 issues), Windscreen (1 issue), Lighting (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 6 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
Recorded failure items include: “Nearside Front Tyre has a bulge, caused by separation or partial failure of its structure (5.2.3 (d) (ii))”; “Tyre pressure monitoring system malfunctioning or obviously inoperative (5.2.3 (h))”; “Nearside Front Tyre has ply or cords exposed (5.2.3 (d) (ii))”.
Common Problems: FIAT 500X
Known issues reported by owners and MOT testers.
- 1.4 MultiAir Actuator Failure(Serious)
The hydraulic valve unit is a known weak point on the 1.4 Turbo engines used in the 500X.
- Electronic Parking Brake (EPB) Failure(Moderate)
The rear calipers or the EPB control module can fail, often caused by moisture ingress.
- Electrical glitches and warning-light cascades(Moderate)
The 500X is prone to recurring electrical issues including random warning lights, infotainment freezes, climate-control display dropouts and stop-start system failures. These are often intermittent and hard to replicate at the dealer, making them frustrating to resolve.
- DDCT dual-clutch gearbox shudder(Moderate)
The DDCT (Dual Dry Clutch Transmission) used in some 500X models can develop shudder or hesitation at low speeds, particularly in heavy traffic. Software updates can help, but worn clutch packs eventually need hardware replacement.
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FIAT 500X Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
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Historical MOT pass rates and DVLA records for 2016 model year cars.
- 1.4 MultiAir Actuator FailureSerious
The hydraulic valve unit is a known weak point on the 1.4 Turbo engines used in the 500X.
- Electronic Parking Brake (EPB) FailureModerate
The rear calipers or the EPB control module can fail, often caused by moisture ingress.
- Electrical glitches and warning-light cascadesModerate
The 500X is prone to recurring electrical issues including random warning lights, infotainment freezes, climate-control display dropouts and stop-start system failures. These are often intermittent and hard to replicate at the dealer, making them frustrating to resolve.
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