This isn't for a car mod or a skin. A "repack" in server-hosting lore means: A complete, pre-configured, cracked, ready-to-launch server package, stolen from a paid host or compiled from leaked scripts.
Here are a few frequently asked questions about MTA+SA server hosting: mta+sa+server+hosting+free+repack
Most people looking for a "repack" are actually looking for a (scripts, maps, and UI). This isn't for a car mod or a skin
community, focusing on setting up a server for free using repacks. ready-to-launch server package