The January 2026 issue of Jaguar World celebrates the XJ40’s 40th anniversary with a feature on the early XJ6 3.6 and compares the X308 to the Range Rover P38a. Highlights include a pristine low-mileage XJ-S HE, an unrestored XK150 3.8S, and a deep dive into the XKR-S on its 15th anniversary. Plus, a comprehensive buying guide for the XJ Series I, workshop tests on jump packs and tyre inflators, and tributes to Quentin Willson.