The JAGUAR X TYPE (2001-08) 5DR ESTATE 3.0 V6 231 SOVEREIGN is an executive estate: a premium family car with useful load space, rather than an SUV or hatchback. It brought Jaguar styling and comfort to a five-door shape, competing with estate versions of the BMW 3 Series and Audi A4. mycarcheck.com checks have recorded 12 look-ups across six distinct VINs, a sample rather than a reliability survey. They show an average private-sale valuation of £1,900, average recorded mileage of 95,000 miles and around five previous keepers. Treat these as context; condition and service history can vary substantially. The 3.0-litre V6 Sovereign suits buyers wanting refined journeys and carrying room for family trips, hobbies or luggage, with more character than many mainstream estates. Running costs may be higher than smaller-engined alternatives, so check the car carefully. A well-kept X-Type estate offers distinctive Jaguar appeal at an accessible used-car price.