It was the first model to feature the next-generation of Jaguar’s aerospace-inspired body architecture, constructed primarily of aluminium, but also using magnesium and composite alloys. The XJ was claimed to be the lightest car in its class by 150 kg at its launch. The new XJ introduced very high standards of personal luxury and specification, including an innovative panoramic glass roof as standard and a level of choice in colours, veneers and leathers not seen before in a Jaguar. Four trim levels were offered at launch – Luxury, Premium Luxury, Portfolio and Supersport.

At launch, three of Jaguar’s new ultra-efficient Gen III petrol and diesel engines were available in the new XJ – the 3.0-litre 275 PS V6 diesel, 510 PS 5.0-litre supercharged V8 and a 5.0-litre 385 PS naturally aspirated petrol engine. In 2012, 3.0-litre V6 Supercharged and 2.0-litre i4 Turbocharged petrol engines were added to the line-up, the latter primarily for the growing Chinese market. A flagship XJR model was launched in 2013 featuring an uprated 5.0-litre supercharged V8 engine producing 550 PS and 680 Nm of torque.

In February 2015, a significant milestone was reached when the one millionth Jaguar XJ to be produced came off the production line at Jaguar’s Castle Bromwich plant – 47 years after the original XJ6 was launched in 1968.

2018 saw the launch of two special edition versions: the XJR 575 and then to celebrate 50 years since the launch of the original XJ6 in 1968 – the XJ50.