Build a Car Codes
Find the latest working codes for Build a Car. Redeem codes for parts, cash, and temporary boosts. We check these pages regularly but always confirm in-game before redeeming.
Build a Car is a Roblox experience focused on designing, upgrading, and racing custom vehicles. Players earn parts by completing races and events, which they can use to assemble and upgrade cars. Codes are a quick way to claim small bundles of parts or temporary boosts — perfect for getting a head start on tuning your vehicle.
We source codes from official developer posts when available and from the community. Codes listed as Active have been reported recently; codes labeled Expired no longer work. If you see an official source for a code (Roblox game description, developer Discord/Twitter), please send it our way and we'll mark the code as verified.

About Build a Car
Build a Car is a vehicle-building Roblox experience where players design and race custom cars. Earn parts by completing races and events, then tune your vehicle to climb leaderboards.
Active Build a Car Codes
| Code | Reward | Copy |
|---|---|---|
| PARTS100 | Grants 100 parts to your inventory. Active | |
| FREEBOOST | Gives a 30-minute speed boost. Active |
How to Redeem Codes in Build a Car
- Open Build a Car on Roblox
- Look for the Codes button or Twitter icon in the game UI
- Click it to open the redemption window
- Copy a code from our list and paste it into the field
- Click Redeem to claim your reward
Tips & Tricks
- Join the game’s Discord to catch time-limited codes and developer announcements.
- Redeem codes immediately — many are one-time use or expire quickly after release.
- Use codes after finishing a race to ensure rewards are applied correctly (some servers sync rewards on match end).