How can I obtain a free Nightshark in GTA Online?

To obtain a free Nightshark in GTA Online, one typically needs to watch for special promotions or events hosted by Rockstar Games. There are times when Rockstar offers certain vehicles as a reward for participating in these events or completing specific challenges. Additionally, Rockstar has been known to give away vehicles, including the Nightshark, as a bonus for players who are members of Twitch Prime and link their account to their Rockstar Games Social Club account. Always check the latest updates on the official Rockstar news page or their social media channels, as the availability of free vehicles like the Nightshark can change with ongoing weekly updates and special occasions within the game.