2015 Infiniti Q70 2.1L Diesel · RJ15 FWK
2015 Infiniti Q70 (2.1L, diesel). First registered 03 Aug 2015. Recorded mileage 120,463 miles. MOT expired on 14 Oct 2026.
- Make & Model
- INFINITI Q70
- Year / Origin
- 2015 · Reading
- Safety Recall
- Unknown
- MOT Status
- Expired on 14 Oct 2026
- Road Tax
- —
- Recorded Mileage
- 120,463 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 2.1L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
RJ15 FWK Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 15/10/2025
- 120,463 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
RJ15 FWK 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 Q70 (RJ15 FWK) between October 2022 and October 2025.
The record contains 4 passes and 1 failure.
The most recent test on 15 October 2025 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
RJ15 FWK Mileage History
- 01/10/202280,087 mi
- 30/09/202393,459 mi+13,372 mi
- 05/10/2024107,108 mi+13,649 mi
- 05/10/2024107,110 mi+2 mi
- 15/10/2025120,463 mi+13,353 mi
Average of roughly 13,286 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Infiniti Infiniti Q70 (M)
Our database tracks 3 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Below 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.
Digital Service History
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Common Problems: INFINITI Q70
Known issues reported by owners and MOT testers.
- OM651 2.2d Timing Chain Tensioner and Chain Stretch(Serious)
The Mercedes-sourced 2.1-litre (badged 2.2d) OM651 four-cylinder turbodiesel engine fitted to post-2015 Q70 models features a timing chain mechanism mounted at the rear of the engine block near the bulkhead. Over time, the hydraulic timing chain tensioner can bleed down or lose tension, causing the single-row chain to stretch. On cold startup, this causes a distinct metallic clattering sound. If left unaddressed, the stretched chain can skip teeth on the camshaft sprockets or snap entirely, leading to catastrophic valve-to-piston contact and engine destruction. Replacing the rear-mounted timing chain assembly requires gearbox removal or engine extraction, incurring significant workshop labour.
- Hybrid Inverter Relay Fault and Auxiliary 12V Battery Depletion(Moderate)
On M35h and Q70 Hybrid models, the high-voltage hybrid powertrain relies on an auxiliary 12V battery in the boot to energise the hybrid system relays and boot the computer modules. The vehicle suffers from parasitic electrical draw when parked for extended periods (seven to ten days), draining the 12V battery and preventing the car from entering 'Ready' drive mode. Furthermore, high-mileage hybrid models can experience internal contact wear within the high-voltage DC-DC inverter relay assembly or cooling circuit airlocks in the inverter cooling loop, triggering hybrid system warning messages and disabling pure-electric EV gliding mode.
- 4-Wheel Active Steer (4WAS) Rear Actuator Failure(Serious)
High-specification S, S Premium, and Sport Tech versions of the M and Q70 were fitted with Infiniti's 4-Wheel Active Steer (4WAS) system, which uses an electronically controlled electric motor and mechanical actuator rack on the rear axle to turn the rear wheels up to one degree. Exposed to UK road spray and winter road salt, the rear steering actuator housing and wiring connectors suffer from corrosion, water ingress, or internal sensor failure. When the actuator faults, the rear wheels can lock in an off-centre position, causing the car to pull or feel nervous on the motorway and triggering an amber 4WAS warning light on the instrument binnacle.
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INFINITI Q70 Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 2015 model year cars.
- OM651 2.2d Timing Chain Tensioner and Chain StretchSerious
The Mercedes-sourced 2.1-litre (badged 2.2d) OM651 four-cylinder turbodiesel engine fitted to post-2015 Q70 models features a timing chain mechanism mounted at the rear of the engine block near the bulkhead. Over time, the hydraulic timing chain tensioner can bleed down or lose tension, causing the single-row chain to stretch. On cold startup, this causes a distinct metallic clattering sound. If left unaddressed, the stretched chain can skip teeth on the camshaft sprockets or snap entirely, leading to catastrophic valve-to-piston contact and engine destruction. Replacing the rear-mounted timing chain assembly requires gearbox removal or engine extraction, incurring significant workshop labour.
- Hybrid Inverter Relay Fault and Auxiliary 12V Battery DepletionModerate
On M35h and Q70 Hybrid models, the high-voltage hybrid powertrain relies on an auxiliary 12V battery in the boot to energise the hybrid system relays and boot the computer modules. The vehicle suffers from parasitic electrical draw when parked for extended periods (seven to ten days), draining the 12V battery and preventing the car from entering 'Ready' drive mode. Furthermore, high-mileage hybrid models can experience internal contact wear within the high-voltage DC-DC inverter relay assembly or cooling circuit airlocks in the inverter cooling loop, triggering hybrid system warning messages and disabling pure-electric EV gliding mode.
- 4-Wheel Active Steer (4WAS) Rear Actuator FailureSerious
High-specification S, S Premium, and Sport Tech versions of the M and Q70 were fitted with Infiniti's 4-Wheel Active Steer (4WAS) system, which uses an electronically controlled electric motor and mechanical actuator rack on the rear axle to turn the rear wheels up to one degree. Exposed to UK road spray and winter road salt, the rear steering actuator housing and wiring connectors suffer from corrosion, water ingress, or internal sensor failure. When the actuator faults, the rear wheels can lock in an off-centre position, causing the car to pull or feel nervous on the motorway and triggering an amber 4WAS warning light on the instrument binnacle.
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