Rename your downloaded mod files to match the car you want to replace (e.g., comet.wft and comet.wtd ). Drag and drop them into the vehicles.img window in OpenIV.

Liberty City is iconic, but driving the same low-poly vanilla cars for years can get old. Whether you want to cruise in a or a Dodge Viper , modding GTA IV has never been easier. Follow this step-by-step guide to revamp your garage safely. 1. Prepare Your Game Before adding new cars, you need a stable base.

Download and install OpenIV , the ultimate tool for managing GTA IV archives.

How to Download and Install Car Mods for GTA IV (2026 Guide)