Jaguar has begun a new phase of winter testing for its upcoming all-electric four-door grand tourer, as engineers finalize key systems ahead of a planned global debut later this year.
Prototypes are undergoing validation in Arctic Circle conditions in northern Sweden, where temperatures can drop to minus 40 degrees Celsius. The test program is part of Jaguar’s most extensive development cycle to date, involving around 150 prototypes covering hundreds of thousands of miles across extreme climates and virtual simulations.
The vehicle will feature a tri-motor all-wheel-drive powertrain producing more than 1,000 PS, making it the most powerful production model in Jaguar’s history. Engineers are using frozen lake surfaces to refine torque vectoring and ensure consistent performance across low-grip conditions.
“Jaguar has always been about driving pleasure and our new electric four-door GT will be no different. It marks a step-change in our technical ambitions. Innovative in-house electric propulsion technologies combine with the car’s unique proportions and low centre of gravity for a luxurious grand tourer that drives like nothing else. Like a true Jaguar, it can be comfortable when you wish, is engaging to drive and, with more than 1,000PS, always has power in reserve,” said Matt Becker, Vehicle Engineering Director at Jaguar Land Rover.
A central focus of the testing is Jaguar’s ThermAssist system, which is designed to improve thermal efficiency in cold environments. The system captures and redistributes waste heat to warm the cabin and propulsion components, reducing heating-related energy consumption by up to 40% and helping preserve driving range.
Engineers are also completing chassis calibration, including systems such as all-wheel steering, dynamic air suspension, active twin-valve dampers, and bespoke 23-inch winter tires. These components are being tuned to balance ride comfort with handling performance under extreme conditions.
“Our aim from the outset has been to deliver a true Jaguar driving experience and we have crafted a hugely desirable car that will be as captivating to drive as to look at,” said Rawdon Glover, Managing Director of Jaguar.
The company said the Arctic testing program is a critical step in validating performance, efficiency, and durability before the vehicle enters production.