2017 Bentley Bentayga 4.0L Diesel · A8 TNY
2017 Bentley Bentayga (4.0L, diesel). First registered 16 May 2017. Recorded mileage 55,915 miles. MOT valid until 13 May 2027. Taxed until 01 Aug 2026.
- Make & Model
- BENTLEY BENTAYGA
- Year / Origin
- 2017 · Peterborough
- Safety Recall
- Unknown
- MOT Status
- Valid until 13 May 2027
- Road Tax
- Taxed (01 Aug 2026)
- Recorded Mileage
- 55,915 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 4.0L
- 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.
A8 TNY Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 15/05/2026
- 55,915 miles recorded at latest MOT
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
A8 TNY 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 2017 Bentley Bentayga (A8 TNY) between April 2022 and May 2026.
The record contains 5 passes and 0 failures.
No failures or advisories appear anywhere in the recorded tests, so the documented MOT record is relatively clean.
A8 TNY Mileage History
- 04/04/202246,485 mi
- 14/04/202347,217 mi+732 mi
- 08/05/202448,200 mi+983 mi
- 07/05/202550,640 mi+2,440 mi
- 15/05/202655,915 mi+5,275 mi
Average of roughly 2,294 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 Bentley Bentley Bentayga
Our database tracks 3 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Excellent
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.
Buyer's Guide & Inspection Advisory
Expert automotive synthesis from historical MOT defect records and market benchmarks.
Our Verdict
This 2017 Bentley Bentayga diesel is a strong used buy thanks to a flawless MOT record over the past five years. The consistently low annual mileage is a clear positive, but budget carefully for the high running costs typical of a luxury SUV.
Given the clean MOT history with no advisories or failures, your main negotiation leverage will be on price rather than remedial work, though it is worth confirming the service history is complete with a Bentley main dealer or recognised specialist. The 3,956cc diesel V8 in this May 2017 example requires timely oil changes and fuel system care, so check for stamped invoices covering the low-mileage intervals. As no model aggregate data exists, rely on the five consecutive passes as your evidence of upkeep and ask the seller about any private maintenance carried out between tests.
A 2017 Bentley Bentayga diesel with a 3,956cc engine will sit in a high Vehicle Excise Duty band and carry a steep insurance group, with diesel economy of roughly 30-35 mpg in real-world use. Maintenance and parts for a grey luxury SUV of this specification are costly, and specialist servicing is essential rather than optional. Based on low annual mileage of around 2,300 miles, estimated annual running costs including fuel, tax, insurance and routine maintenance are likely in the region of £3,500-£5,000.
The MOT history shows no failures or advisories across 2022-2026, so there are no test-flagged defects to revisit, but you should still inspect brake wear, tyre condition and suspension bushings given the vehicle's weight. For this 3956cc diesel variant, check for any signs of emissions system faults or turbo hesitation despite the clean tests, and verify the adblue and diesel particulate filter operation. A professional pre-purchase inspection by a Bentley specialist is advised to confirm the bodywork and mechanicals match the recorded 55,915 miles and clean MOT record.
The vehicle (registration A8TNY) has passed every MOT from 2022 to 2026 with no defects recorded, indicating sound mechanical and structural condition for its age. Mileage has risen only from 46,485 in April 2022 to 55,915 in May 2026, an average of just over 2,300 miles per year. As a May 2017 registered grey 3,956cc diesel Bentayga, it has covered well below typical use for an eight-year-old vehicle. No aggregate reliability data is available for this model, so the assessment rests solely on this individual's clean test history.
No aggregate MOT reliability data is available for the Bentley Bentayga, so this guide relies solely on the individual vehicle's clean test history.
Reviewed by the IsItAGoodCar editorial team — Verified automotive analysis synthesized from official vehicle registries.
Data Sources
DVSA
Official MOT test logs & failure reasons
DVLA
Tax, registration & powertrain specs
Experian
Finance, stolen markers & total loss
AI Analysis
Historical fault & advisory patterns
Common Problems: BENTLEY BENTAYGA
Known issues reported by owners and MOT testers.
- Carbon Build-up (GDI Coking)(Moderate)
Direct injection leads to carbon deposits on intake valves, reducing performance and fuel economy.
- Infotainment and Electrical Glitches(Moderate)
The Bentayga's complex electronics, including the infotainment touchscreen, parking sensors, and adaptive cruise control, are prone to software bugs and random reboots. Moisture ingress into wiring can cause cascading electrical failures.
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BENTLEY BENTAYGA 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 2017 model year cars.
- Carbon Build-up (GDI Coking)Moderate
Direct injection leads to carbon deposits on intake valves, reducing performance and fuel economy.
- Infotainment and Electrical GlitchesModerate
The Bentayga's complex electronics, including the infotainment touchscreen, parking sensors, and adaptive cruise control, are prone to software bugs and random reboots. Moisture ingress into wiring can cause cascading electrical failures.
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