Quick-join races for up to 40 players across all national series (Cup, Xfinity, Trucks) and the Xtreme Dirt Tour .
As of late 2024, , meaning standard multiplayer lobbies and competitive online modes are no longer accessible . The game was delisted from digital storefronts on December 31, 2024, and the final server shutdown occurred on August 1, 2025 , as part of the license transition to iRacing . NASCAR Heat 4 Online
Hosts could finally control race start times, a major quality-of-life update from Heat 3 . Quick-join races for up to 40 players across
Heat 4 was praised for bridging the gap between arcade fun and simulation realism: NASCAR Heat 4 Online