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 4dr (09/15-) (295 bhp)
• Year: 2018
• Mileage: 39,500 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 295 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 185 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 39,500 miles, this 2018 Jaguar XJ Portfolio has covered about 21,700 fewer miles than other 2018 Jaguar XJ cars. Priced at £20,160, it is advertised £1,406 below the AskCar estimate of £21,566. The AskCar estimate draws on 262 Jaguar XJ adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 125 days ago, the asking price has dropped by £2,120. Our records show an MOT expiry date of 2 August 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. The seller is Evans Halshaw MG Grantham, based in Grantham. 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: £1,406 (6%) under the AskCar estimate of £21,566.

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 125 days.

Price history

AskCar first saw this advert on 2 July 2026 at £22,280. Its asking price is now £20,160, £2,120 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 2 July 2026: £22,280
• 6 July 2026: £22,240
• 13 July 2026: £22,000
• 22 July 2026: £21,780
• 28 July 2026: £21,570
• 5 August 2026: £21,360
• 10 August 2026: £21,070
• 25 August 2026: £20,910
• 3 September 2026: £20,850
• 16 September 2026: £20,780
• 22 September 2026: £20,710
• 23 September 2026: £20,510
• 29 September 2026: £20,440
• 7 October 2026: £20,370
• 13 October 2026: £20,300
• 20 October 2026: £20,230
• 27 October 2026: £20,160

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 2 August 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 31 July 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 36,109 miles, which matches the advertised 39,500 miles.

Advertised mileage is about 21,700 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, £1,839 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, red. Mileage: 37,389 miles. Price: £21,400, £1,240 more than this car. Dealer: Sytner Select Cardiff in Cardiff. AskCar page: https://askcar.co.uk/car/jaguar-xj-2018-77490f02a5f5
• 2018 Jaguar XJ Portfolio, 3.0 diesel saloon, black. Mileage: 42,311 miles. Price: £20,995, £835 more 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, blue, 95 miles from this car. Mileage: 141,000 miles. Price: £8,995, £11,165 less than this car. Dealer: Highline Autos in Wantage. AskCar page: https://askcar.co.uk/car/jaguar-xj-2018-b896a3366062