The Concept BST is the wildest Polestar yet

Polestar has debuted a very sporty concept car. And by very sporty, we mean its sportiest yet. This is the Polestar Concept BST – the acronym short for ‘beast’, and not, as you might have guessed, the time used in British 'summer'.

What you’re looking at is a shell, a vision of what’s to come if Polestar were to – in the words of Polestar boss Thomas Ingenlath – “go mad”. That was the instruction to Polestar designers and this is what they came up with.

Cleary spun off a Polestar 6, the Concept BST features a vented bonnet, a front splitter, some flared arches, 22in extra-wide wheels and an 'extreme' rear wing. Clearly inspired by the world of motorsport, it's shod in grey and gets the obligatory side graphics.

The two-seater gets the same bespoke bonded aluminium structure which underpins the Polestar Performance Architecture (PPA), and is – we're told – super lightweight and super stiff.

The PPA is the basis of the Polestar 5, an all-electric four-door GT. That car is of course capable of 872bhp and 664lb ft torque. Polestar isn’t able to confirm any power details for the Concept BST because... it’s not even a prototype. It’s a pretty idea, created for the purposes of standing with its SUV and Roadster siblings on the stand at Goodwood Festival of Speed, specifically the Polestar 3 and the Polestar 4 (which sit on an entirely different platform), and the Polestar 6 Concept (PPA).

Polestar reminds us the 5 will launch next year (2025) and the 6 will follow in 2026. Whether or not the BST will be slated for production is yet to be confirmed. Demands for information were met with a not-especially-cryptic: "We have a history of taking concepts and keeping them true-to-form through to production. We've got a history... but it's too early to confirm."

It's not as mad as the Synergy, but if we’re hoping for a production version of either, the Concept BST is a more likely wager. What is most likely, however, is the application of – in Polestar’s words – the "ultra-performance moniker" ‘BST’ to existing models in the line-up.

"This car is a demonstration of how far we can push our performance brand - Polestar turned up to 11 if you will - and a demonstration of how we could apply the BST formula to our line up in the future," said Ingenlath. Watch this space...