2016 Fiat 500X 1.6L Diesel · WN66 ONH
2016 Fiat 500X (1.6L, diesel). First registered 22/09/2016. Recorded mileage 88,155 miles. MOT valid until 19/10/2026.
- Make & Model
- FIAT 500X
- Year / Origin
- 2016 · Bristol
- Safety Recall
- Unknown
- MOT Status
- Valid until 19/10/2026
- Road Tax
- —
- Recorded Mileage
- 88,155 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 1.6L
- Reliability Guide
- Common Faults
- Fuel Type
- Diesel
- Year
- 2016
- Engine
- 1598cc
WN66 ONH Key Findings
- 10 MOT tests recorded
- Latest MOT passed on 26/09/2025
- 88,155 miles recorded at latest MOT
- 4 historical MOT failures
- No defects recorded at the latest MOT
- Recurring tyres items (12 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
MOT Roadworthiness: Average
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
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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 ONH Mileage History
- 12/09/201936,632 mi
- 31/08/202157,881 mi+21,249 mi
- 31/08/202157,881 mi
- 30/08/2022100,646 km
- 12/10/202371,231 mi
- 12/10/202371,231 mi
- 21/10/202483,277 mi+12,046 mi
- 21/10/202483,277 mi
- 25/09/202588,155 mi+4,878 mi
- 26/09/202588,155 mi
Average of roughly 8,531 miles per year across 10 recorded odometer readings.
Recorded mileage decreased between one or more tests — a potential clocking indicator worth verifying before purchase.
WN66 ONH MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
10 MOT tests are recorded for this 2016 Fiat 500X (WN66 ONH) between September 2019 and September 2025.
The record contains 6 passes and 4 failures.
The most recent test on 26 September 2025 was a pass, although the earlier record includes 4 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Tyres (12 issues), Brakes (8 issues), Lighting (4 issues), Steering (2 issues), Windscreen (2 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 17 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: “Offside Front Position lamp not working (4.2.1 (a) (ii))”; “Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i))”; “Nearside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))”.
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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