2018 Bentley Bentayga 4.0L Diesel · R8 UCL
2018 Bentley Bentayga (4.0L, diesel). First registered 01 Aug 2018. Recorded mileage 69,485 miles. MOT expired on 18 Oct 2026. Taxed until 01 Feb 2027.
- Make & Model
- BENTLEY BENTAYGA
- Year / Origin
- 2018 · Reading
- Safety Recall
- Unknown
- MOT Status
- Expired on 18 Oct 2026
- Road Tax
- Taxed (01 Feb 2027)
- Recorded Mileage
- 69,485 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 4.0L
- Reliability Guide
- Common Faults
AI-generated interpretation of this vehicle’s MOT record — not an official statement and not a substitute for an independent inspection.
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.
R8 UCL Key Findings
- 4 MOT tests recorded
- Latest MOT passed on 20/10/2025
- 69,485 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.
R8 UCL MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
4 MOT tests are recorded for this 2018 Bentley Bentayga (R8 UCL) between June 2022 and October 2025.
The record contains 4 passes and 0 failures.
No failures or advisories appear anywhere in the recorded tests, so the documented MOT record is relatively clean.
R8 UCL Mileage History
- 04/06/202251,456 mi
- 18/10/202356,926 mi+5,470 mi
- 26/09/202464,108 mi+7,182 mi
- 20/10/202569,485 mi+5,377 mi
Average of roughly 5,336 miles per year across 4 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: 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.
Buyer's Guide & Inspection Advisory
Expert automotive synthesis from historical MOT defect records and market benchmarks.
Our Verdict
This 2018 Bentley Bentayga presents a strong case for purchase due to its clean MOT history, but buyers should exercise caution due to the lack of model-specific reliability data and the inherent complexities of luxury diesel vehicles.
Prioritize verifying full service history to confirm maintenance standards, as Bentley vehicles require meticulous care. Negotiate based on the vehicle's below-average mileage, but be prepared for higher-than-expected repair costs due to its luxury status. Check for any outstanding manufacturer recalls specific to 2018 Bentaygas and inspect documentation for proof of regular servicing. Be wary of potential hidden costs associated with diesel particulate filter (DPF) maintenance, a common issue in older diesel vehicles.
As a diesel-powered luxury SUV, fuel economy is likely to be modest, with typical combined figures around 25-30 mpg. Tax band depends on CO2 emissions (likely £1,000+ annual road tax for 2026). Insurance groups for Bentleys are typically in the highest brackets (e.g., Group 50+). Maintenance costs will exceed average family cars, with major services potentially exceeding £1,000. Estimated annual running costs: £2,500-£3,500, excluding depreciation.
While the MOT history shows no defects, inspect the diesel engine for signs of DPF issues (e.g., warning lights, reduced performance) and check for oil leaks common in older Bentleys. Examine the cabin for wear on premium materials and verify the condition of the 4.0L V8 engine through a mechanic's report. Pay close attention to the all-wheel-drive system and suspension components, which are critical to the Bentayga's performance. Confirm that the vehicle has not been involved in any accidents using the VIN check.
The Bentayga has maintained a clean MOT record across five consecutive annual tests, with mileage of 69,485 miles (8 years old) below the typical average for its age. While no aggregate reliability data exists for the model, the vehicle's consistent MOT passes suggest responsible ownership. However, its luxury status and diesel engine may introduce higher-than-average running costs.
No aggregate MOT data is available for the Bentley Bentayga model, making it difficult to assess long-term reliability trends.
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.
- Fuel Leak Recall(Serious)
Early V8 models were subject to a recall for a potential fuel leak from the fuel line quick connector.
- 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 2018 model year cars.
- Carbon Build-up (GDI Coking)Moderate
Direct injection leads to carbon deposits on intake valves, reducing performance and fuel economy.
- Fuel Leak RecallSerious
Early V8 models were subject to a recall for a potential fuel leak from the fuel line quick connector.
- 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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