The XJ Ultimate can also be specified with Jaguar’s existing 5.0 litre V8 supercharged petrol engine, and its 3.0 litre V6 turbocharged diesel. All powertrains drive through eight-speed transmissions
The new 3.0 litre V6 supercharged petrol engine will be introduced to the range for the 2013 model year. The engine will produce 340 PS and 450 Nm in the Ultimate. It is said to offer similar performance to the naturally-aspirated version of that engine (which is not available in the XJ Ultimate), but with the emissions and fuel economy advantages of a V6. The engine will be offered in tandem with Jaguar’s Intelligent Stop-Start system.
The 5.0 litre V8 petrol engine in supercharged form develops 510 PS and 625 Nm of torque in the Ultimate, while the diesel V6 returns fuel consumption figures of 40.1 mpg on the combined fuel cycle.
The XJ Ultimate is claimed to focus on two Jaguar hallmarks – innovation and luxury, thus extending the model’s emotive appeal.
Based exclusively on the long-wheelbase XJ, the interior changes applied to the Ultimate focus on the rear accommodation, extending the car’s limousine remit to provide a fully-appointed luxury business class experience claiming to feature the appointments of a private jet in a package to suit a wide range of requirements.
A full-length, leather-trimmed centre console separates the two individually tailored rear seats which feature power adjustment, ventilation, massage and lumbar functions.
A table, machined from solid aluminium with piano-black and chrome detailing, rises up from the centre console at the touch of a button to provide a working area, its role supplemented by the provision of two third-generation iPads with wireless keyboards that are housed in bespoke leather-trimmed docks in the rear of the front seats.
Switching the focus from business to pleasure is the bespoke champagne chiller mounted between the two rear seats. This cools the bottle to what experts agree is the perfect temperature before ‘presenting’ it forwards when the chiller is opened. Two specially commissioned champagne flutes reside in a purpose made cabinet beneath the centre table.
A full rear seat package with twin headrest screens and wireless headphones completes the experience in combination with a new 20-speaker surround sound in-car entertainment system developed by British audio expertsMeridian.
To underline its purpose in ensuring that passengers remain cosseted at all times, the XJ Ultimate features revisions to the suspension to optimise rear ride comfort.
The exterior detailing of the XJ Ultimate offers discreet clues to the model’s figurehead status with sculpted lower air intakes chromed to match the grille, polished stainless steel oval exhaust pipe finishers, unique dual-surfaced alloy wheels and subtle ‘Ultimate’ badging.