April 2023 F1 schedule coverage shifts focus to non-F1 racing as the season pauses pre-Miami GP. GT World Challenge Europe kicks off with Lance Stroll's debut in an Aston Martin Vantage, alongside Max Verstappen Racing's endurance team. Sky Sports F1 streams Nurburgring Endurance Series events, while IndyCar's Long Beach race and Goodwood Members' Meeting historic showcases round out the month. Monaco Historique previews F1's return with vintage machinery. April 11-12 features GT3/GT4 qualifiers and NLS 3 on YouTube, with Verstappen Racing's Paul Ricard strategy shaping Stroll's GT3 venture. April 17-19 brings IndyCar's fifth round and NLS 4/5, while April 25-26 highlights Monaco's historic GP era. Sky Sports F1's YouTube channel becomes a hub for NLS streaming and Verstappen-led GT3 campaigns.