BYD’s luxury brand says it's just made the world’s longest-range EV, with a monster 644 miles between charging stops

• Updated Denza Z9 GT manages 644 miles on a single charge
• Hybrid version sees battery capacity practically doubled
• BYD is looking to introduce the Denza to the UK and Europe this year

BYD’s premium Denza brand is already taking China by storm, with its D9 MPV (or minivan) notching up some 300,000 sales in under three years, according to Car News China. And now it's produced an EV with the world's longest range, according to Denza at least.

Taking the best technology from the wider BYD group and wrapping it up in luxurious materials, the Denza sub-brand offers a number of models in China, including a mid-sized SUV in the N7 and the sleek Denza Z9 and Z9 GT — a traditional luxury saloon and an elegant shooting brake/fastback estate car that comes in both pure electric and hybrid guises.

The Z9 ...