2015 Infiniti Q50 2.1L Diesel · RO15 BYU
2015 Infiniti Q50 (2.1L, diesel). First registered 01/04/2015. Recorded mileage 118,599 miles. MOT valid until 09/01/2027. Taxed until 01/10/2026.
- Make & Model
- INFINITI Q50
- Year / Origin
- 2015 · Reading
- MOT Status
- Valid until 09/01/2027
- Road Tax
- Taxed (01/10/2026)
- Recorded Mileage
- 118,599 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- DIESEL · 2.1L
- Reliability Guide
- Common Faults
- Fuel Type
- DIESEL
- Year
- 2015
- Engine
- 2143cc
RO15 BYU Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 03/01/2026
- 118,599 miles recorded at latest MOT
- 3 historical MOT failures
- No defects recorded at the latest MOT
- Recurring lighting items (4 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
Diagnostic & Valuation Intelligence
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Known faults for Infiniti Infiniti Q50
Our database tracks 3 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
RO15 BYU Mileage History
- 04/01/2025104,921 mi
- 10/01/2025105,052 mi+131 mi
- 10/01/2025105,052 mi
- 03/01/2026118,599 mi+13,547 mi
- 03/01/2026118,599 mi
Average of roughly 13,721 miles per year across 5 recorded odometer readings.
RO15 BYU MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2015 Infiniti Q50 (RO15 BYU) between January 2025 and January 2026.
The record contains 2 passes and 3 failures.
The most recent test on 03 January 2026 was a pass, although the earlier record includes 3 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Lighting (4 issues), Suspension (2 issues), Brakes (1 issue), Windscreen (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 4 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 Rear Stop lamp(s) not working (4.3.1 (a) (ii))”.
Common Problems: INFINITI Q50
Known issues reported by owners and MOT testers.
- Direct Adaptive Steering (DAS) Glitches(Moderate)
The steer-by-wire system can suffer from software bugs or hardware sensor failures. In rare cases, the system can lose its calibration, requiring a complex dealer-level reset.
- 2.2d Turbo and Injector Issues(Serious)
The Mercedes-sourced 2.1L diesel (2.2d) can suffer from turbocharger actuator failure and piezo-injector leaks as it ages.
- Hybrid 12V Battery Parasitic Drain(Moderate)
The auxiliary battery on Hybrid models can drain in as little as 10 days if left unused, leaving the car unable to start.
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