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: 37,389 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 296 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Red
• CO2: 155 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Jaguar XJ Portfolio has covered 37,389 miles, around 23,800 fewer miles than is typical for its age. Its asking price of £21,400 is £676 below the AskCar estimate of £22,076. To work out the AskCar estimate, we analyse UK dealer adverts for 262 Jaguar XJ cars across different ages and specifications. We first recorded this advert 78 days ago, and its asking price has since fallen by £1,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Select Cardiff, based in Cardiff. 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: £676 (3%) under the AskCar estimate of £22,076.

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 78 days.

Price history

AskCar first saw this advert on 18 August 2026 at £22,900. Its asking price is now £21,400, £1,500 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 18 August 2026: £22,900
• 25 September 2026: £22,800
• 9 October 2026: £22,400
• 23 October 2026: £21,900
• 1 November 2026: £21,400

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 9 August 2027.

It has had 6 MOTs. The latest, on 10 August 2026, passed.

Advisories at the latest test: offside rear registration plate lamp inoperative in the case of multiple lamps or light sources.

Mileage at that test: 37,388 miles, which matches the advertised 37,389 miles.

Advertised mileage is about 23,800 miles lower 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, black. Mileage: 38,748 miles. Price: £21,999, £599 more than this car. Dealer: cinch in Ashford. AskCar page: https://askcar.co.uk/car/jaguar-xj-2018-1d5d94b2c9e2
• 2018 Jaguar XJ Portfolio, 3.0 diesel saloon, grey. Mileage: 39,500 miles. Price: £20,160, £1,240 less than this car. Dealer: Evans Halshaw MG Grantham in Grantham. AskCar page: https://askcar.co.uk/car/jaguar-xj-2018-bce3300b565c
• 2018 Jaguar XJ Portfolio, 3.0 diesel saloon, black. Mileage: 42,311 miles. Price: £20,995, £405 less than this car. Dealer: Stream Cars in Bagshot. AskCar page: https://askcar.co.uk/car/jaguar-xj-2018-cc91654da3a1

• The nearest: 2018 Jaguar XJ Portfolio, 3.0 diesel saloon, grey, under a mile from this car. Mileage: 52,704 miles. Price: £19,980, £1,420 less than this car. Dealer: BUY & Go Cars in Cardiff. AskCar page: https://askcar.co.uk/car/jaguar-xj-2018-22c0f63063f6