2018 Jaguar XJ 3.0 d V6 Autobiography

Overview

• Make: Jaguar
• Model: XJ
• Trim: Autobiography
• Version: 3.0 d V6 Autobiography Auto RWD Euro 6 4dr (LWB) (295 bhp)
• Year: 2018
• Mileage: 99,000 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

This 2018 Jaguar XJ Autobiography is advertised with 99,000 miles on the clock. Its asking price of £18,495 is £305 above the AskCar estimate of £18,190. The AskCar estimate uses UK dealer asking prices, including 261 Jaguar XJ adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 150 days. Ask the dealer why the advert shows fewer miles than the 100,475 recorded at the latest MOT. MOT records show an expiry date of 6 May 2027. The seller is Wheels Excellence, based in Chesham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £305 (1%) over the AskCar estimate of £18,190.

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 261 priced Jaguar XJ adverts across different ages and specifications, as of 7 November 2026.

A 2018 Jaguar XJ with the 3.0 diesel engine is typically advertised at £18,600: the median of the 14 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 Jaguar XJ has been on sale for at least 150 days.

Price history

AskCar first saw this advert on 10 June 2026 at £18,495. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 6 May 2027.

It has had 9 MOTs. The latest, on 7 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 100,475 miles. The advert says 99,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 37,800 miles higher than the median mileage of a 2018 Jaguar XJ on AskCar.

Similar cars

1 other 2018 Jaguar XJ Autobiography 3.0 diesel automatic saloon is for sale at UK dealers, as of 7 November 2026.

The closest to this car in mileage:

• 2018 Jaguar XJ Autobiography, 3.0 diesel saloon. Mileage: 26,000 miles. Price: £31,995, £13,500 more than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/jaguar-xj-2018-fc77ca2c1ca1