The JAGUAR XJ (2010-15) 4DR SALOON 5.0 V8 510 SUPERSPORT AUTO6 is a large, high-performance luxury saloon at the top end of the UK executive-car market. It pairs Jaguar elegance with a powerful petrol engine and automatic driving, offering a distinctive alternative to established German rivals. mycarcheck.com has recorded 161 checks covering 60 different VINs, giving a useful, though limited, snapshot. Its data shows an average private-sale value of £13,000, average recorded mileage of 91,000 miles and around 3,000 miles driven yearly. Cars checked had about four previous keepers, so review each car’s history carefully. This XJ is best suited to buyers wanting a spacious, refined car for executive travel or comfortable long-distance journeys, rather than commuting. Its striking styling, sumptuous cabin and effortless performance give it more character than many rivals, but the strong V8 means fuel and upkeep costs deserve consideration. A well-documented example matters.