Frankfurt — Volkswagen Group, the world’s biggest carmaker, is suspending production at factories across Europe as the coronavirus pandemic hits sales and disrupts supply chains, the company said on Tuesday.

The German carmaker, which owns the Audi, Bentley, Bugatti, Ducati, Lamborghini, Porsche, Seat and Skoda brands, also said that uncertainty about the fallout from coronavirus meant it was impossible to give forecasts for its performance in 2020...