2018 Bentley Bentayga 4.0

Overview

• Make: Bentley
• Model: Bentayga
• Version: 4.0 Diesel Auto 4WD Euro 6 5dr (428 bhp)
• Year: 2018
• Mileage: 67,461 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 4.0 litres, 428 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 210 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Bentley Bentayga is advertised with 67,461 miles on the clock. The dealer is asking £49,900, which is £1,407 below the AskCar estimate of £51,307. To work out the AskCar estimate, we analyse UK dealer adverts for 240 Bentley Bentayga cars across different ages and specifications. The asking price is now £7,000 lower than when we first recorded the advert 73 days ago. Ask the dealer why the advert shows fewer miles than the 68,322 recorded at the latest MOT. MOT records show an expiry date of 10 August 2027. The seller is Sytner Select Northampton, based in Northampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,407 (2%) under the AskCar estimate of £51,307.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 240 priced Bentley Bentayga adverts across different ages and specifications, as of 2 November 2026.

A 2018 Bentley Bentayga with the 4.0 diesel engine is typically advertised at £58,200: the median of the 14 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Bentley Bentayga has been on sale for at least 73 days.

Price history

AskCar first saw this advert on 21 August 2026 at £56,900. Its asking price is now £49,900, £7,000 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 21 August 2026: £56,900
• 26 September 2026: £55,900
• 8 October 2026: £53,900
• 16 October 2026: £51,900
• 22 October 2026: £50,900
• 29 October 2026: £49,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 10 August 2027.

It has had 7 MOTs. The latest, on 11 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 68,322 miles. The advert says 67,461 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 19,000 miles higher than the median mileage of a 2018 Bentley Bentayga on AskCar.