1999 Jaguar XJ 4.0 Sovereign

Overview

• Make: Jaguar
• Model: XJ
• Trim: Sovereign
• Version: 4.0 Sovereign Auto RWD Euro 2 4dr LWB Saloon (290 bhp)
• Year: 1999
• Mileage: 54,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 4.0 litres, 290 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 285 g/km
• Emissions standard: Euro 2

About this car

This 1999 Jaguar XJ Sovereign has covered 54,000 miles. Priced at £6,990, this car is advertised £10,185 below the AskCar estimate of £17,175. This is a large price difference, so check the price and vehicle details with the dealer. The AskCar estimate uses UK dealer asking prices, including 261 Jaguar XJ adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 163 days ago. Its asking price has since fallen by £1,500. The latest recorded MOT expiry date is 28 April 2026, which has passed. Confirm its status with the dealer. We checked its advertised mileage against the government's MOT record, and they match. The seller is Hertford Car Sales, based in Hertford. 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

Far below the going rate: £10,185 (59%) under the AskCar estimate of £17,175. Worth asking the dealer why.

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.

Time on sale

This 1999 Jaguar XJ has been on sale for at least 163 days.

Price history

AskCar first saw this advert on 28 May 2026 at £8,490. Its asking price is now £6,990, £1,500 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 29 May 2026: £8,490
• 2 July 2026: £7,990
• 8 July 2026: £7,490
• 28 October 2026: £6,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 28 April 2026; ask the dealer for the current MOT.

It failed its MOT on 25 April 2025 (offside rear wheel bearing has excessive play; nearside front position lamp not working) and passed 4 days later, on 29 April 2025.

Advisories at the latest test: nearside rear suspension component pin or bush slightly worn subframe bush; offside rear suspension component pin or bush slightly worn subframe bush.

Mileage at that test: 53,896 miles, which matches the advertised 54,000 miles.

Similar cars

1 other 1999 Jaguar XJ Sovereign 4.0 petrol automatic saloon is for sale at UK dealers, as of 7 November 2026.

The closest to this car in mileage:

• 1999 Jaguar XJ Sovereign, 4.0 petrol saloon, silver. Mileage: 49,000 miles. Price: £6,000, £990 less than this car. Dealer: Convent Motors in Ashford. AskCar page: https://askcar.co.uk/car/jaguar-xj-1999-6df48059c48f