Junk Mechanics WikiUnofficial player wiki
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Junk Mechanics Guides

This hub lists every guide on the site, grouped by what you are trying to do. Each guide is written from the official Roblox game page and Store, the update trailers, and dated videos from creators who played each update, and each one lists its sources at the bottom. If you are brand new, start at the top and work down; if you have a specific question, jump to the group that matches it.

Last checked Sources listed below
Quick answer

New player? Read the beginner guide, then beginner mistakes, then the money guide

The beginner guide walks you through your first flip. Beginner mistakes covers the habits that cost new players Cash. The money guide compares every way to earn. After that, use the groups below: repair and paint to raise sale prices, junkyards and auctions to find better cars, tuning and engines for performance, and Store and safety before spending Robux.

Start here

Guides for your first sessions
GuideWhat it coversRead it when
Beginner guideThe tutorial, your first junkyard car, repairs at Nando's, painting and your first sale.You just joined the game.
Beginner mistakesTwelve common mistakes, from quick-selling to Rick to chasing auctions, with the fix for each.Your Cash is not growing as fast as you hoped.
Money guideEvery money method compared, from flipping to driving and the Carl's Jr. job.You want to earn faster.
FAQShort answers to 25 common questions about the game.You have a quick question.

Repair, paint and sell

These three guides cover the steps that decide how much each car sells for. Most of the difference between a slow and a fast player comes from doing them well.

Guides for the core flip loop
GuideWhat it covers
Repair guideUsing Nando's lift, the notebook and wrench, and which station fixes each part: sink, charger, grinder or welding bench.
Paint shop guidePolishing rust, painting every panel, materials, secondary colours and the cosmetic options in the customs shop.
Selling guideJuan, Mr. Lupin and Rick compared, how negotiation behaves, and a checklist before you accept an offer.

Find better cars

Guides for finding rare cars
GuideWhat it covers
Junkyard guideThe four junkyards, how spawns and notifications work, rerolls, and how to choose a car to flip.
Auctions and Cars & BidsCash and premium auctions, Premium Auction Keys, auction-only cars and the October 3 player bidding system.
How to get Tier 5Every reported route to Tier 5 cars, ranked by cost and reliability.
Garages guideBuying garages, how storage works, the Premium Garage and the spawn-garage setting.

For lists rather than strategy, see the cars list, limited and exclusive cars and the tier list.

Build and tune

Guides for performance builds
GuideWhat it covers
Engines and turbosCar Zone engines including the V10, swaps, turbos, superchargers and twin-charging.
Tuning guideThe ECU and gear tuning screens added on August 30, with example settings from creators.
Wheels, tires and suspensionTire Zone, rims, rim spacing, ride height and camber.

Store, spending and safety

Guides about Robux and safety
GuideWhat it covers
Game passes and StoreEvery game pass and Robux item with prices read from Roblox, and which ones are worth it.
Parents' guideThe game's content rating, what can be bought, why auctions deserve a conversation, and Roblox parental controls.

Reference pages

Frequently asked questions

Which Junk Mechanics guide should a new player read first?

Start with the beginner guide, then read beginner mistakes and the money guide.

How do I make money faster in Junk Mechanics?

Repair cars to about 85–90%, paint them, and sell to Juan or, for Tier 4 and 5, Mr. Lupin. The money and selling guides explain the details.

Where can I find car and code information?

Use the cars list, tier list and codes page, or the wiki hub for all reference pages.

How are these guides researched?

From the official Roblox game page and Store, the official update trailers, Roblox event listings and dated creator videos. Each guide lists its sources.

Sources and how this page was checked

Each linked guide has its own last-checked date and source list. This hub was reviewed on October 5, 2026, after the October 3 Cars & Bids update.

Spotted something out of date? Send a correction. Read our source standards.

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