2018 Jaguar XJ 3.0 d V6 Portfolio

Overview

• Make: Jaguar
• Model: XJ
• Trim: Portfolio
• Version: 3.0 d V6 Portfolio Auto RWD Euro 6 (s/s) 4dr (296 bhp)
• Year: 2018
• Mileage: 77,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 296 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 155 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 77,000 miles on the clock, this 2018 Jaguar XJ Portfolio has done roughly 15,800 more miles than a typical 2018 Jaguar XJ. Priced at £15,990, it is advertised £408 below the AskCar estimate of £16,398. The AskCar estimate draws on 262 Jaguar XJ adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 54 days ago, and its asking price has since fallen by £2,000. Its advertised mileage matches the government's MOT record. The seller is Holwood Car Sales, based in Keston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £408 (2%) under the AskCar estimate of £16,398.

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 262 priced Jaguar XJ adverts across different ages and specifications, as of 4 November 2026.

A 2018 Jaguar XJ with the 3.0 diesel engine is typically advertised at £18,900: the median of the 13 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 Jaguar XJ has been on sale for at least 54 days.

Price history

AskCar first saw this advert on 11 September 2026 at £17,990. Its asking price is now £15,990, £2,000 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 11 September 2026: £17,990
• 19 September 2026: £17,750
• 28 September 2026: £17,490
• 4 October 2026: £16,990
• 23 October 2026: £16,490
• 31 October 2026: £15,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 16 May 2027.

It failed its MOT on 12 May 2026 (nearside front tyre has a lump, caused by separation or partial failure of its structure) and passed 2 days later, on 14 May 2026.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 74,392 miles, which matches the advertised 77,000 miles.

Advertised mileage is about 15,800 miles higher than the median mileage of a 2018 Jaguar XJ on AskCar.

Similar cars

6 other 2018 Jaguar XJ Portfolio 3.0 diesel automatic saloons are for sale at UK dealers, from £8,995 to £21,999, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 Jaguar XJ Portfolio, 3.0 diesel saloon, grey. Mileage: 52,704 miles. Price: £19,980, £3,990 more than this car. Dealer: BUY & Go Cars in Cardiff. AskCar page: https://askcar.co.uk/car/jaguar-xj-2018-22c0f63063f6
• 2018 Jaguar XJ Portfolio, 3.0 diesel saloon, black. Mileage: 42,311 miles. Price: £20,995, £5,005 more than this car. Dealer: Stream Cars in Bagshot. AskCar page: https://askcar.co.uk/car/jaguar-xj-2018-cc91654da3a1
• 2018 Jaguar XJ Portfolio, 3.0 diesel saloon, grey. Mileage: 39,500 miles. Price: £20,160, £4,170 more than this car. Dealer: Evans Halshaw MG Grantham in Grantham. AskCar page: https://askcar.co.uk/car/jaguar-xj-2018-bce3300b565c