|This article or section refers to "enhanced version" content in the Xbox One, PlayStation 4, and PC renditions of Grand Theft Auto V and/or Grand Theft Auto Online, that is absent on the Xbox 360 or PlayStation 3 versions.
For a complete list of the features of the "enhanced" version of Grand Theft Auto V, please see here.
- "There's only one thing more claustrophobic than driving a fast car between high walls that are actually closing in on you, and that's flying a single-prop fighter between high walls that are actually closing in on you. Take those rapidly confining spaces out to sea, and it's time for that nervous breakdown you've been working on. Lap Transform Race starting in Sports cars, also featuring the Rocket Voltic, Nokota and Blazer Aqua."
- ―Race description.
Trench IV is a Transform Stunt Race featured in Grand Theft Auto Online as part of the continuation of the Smuggler's Run update, released on November 21, 2017, during the FH-1 Hunter Week event. It is available for up to 16 players.
The race is a 31 checkpoint long Lap race, default to 2 laps. Between checkpoints 13 and 18, players can take one of two different routes.