Audi will reveal the long-awaited sixth-generation A6 saloon and estate today (31 July), making the landmark switch to electric power for one of its longest-running and most successful models.

It's the most aerodynamic Audi ever ... The all-electric A6 e-tron has been launched in two versions: a coupe-like Sportback and the Avant estate, carrying a £1,800 premium.

Audi today took the wraps off a near production-ready version its first ever all-electric estate car, the A6 Avant e-tron. And bosses pledged that, when it comes to making any final tweaks to the ...