Volkswagen used the backdrop of the past weekend’s 24 Hours of Nürburgring endurance race to debut a new generation of its limited edition Golf GTI Clubsport. The hardcore hatchback is based on the updated 2025 Golf GTI expected to reach showrooms in the U.S. later this year. It packs that car’s 2.0-liter turbo-4 engine but with output dialed…