Sell
How to sell a modified car in Australia
General marketplaces bury tough street cars between hatchbacks and car-yard stock. Horsepower House puts your build in front of buyers who know what an LS3, a Barra or an RB26 is worth — and listing is free.
List your car for free1. Get the paperwork sorted
Buyers of modified cars ask about engineering first. If your state requires a VASS, ICV or blue slip for your mods, have the certificate number ready — it lifts buyer confidence and your price. Know your rego status and expiry, and whether a roadworthy (RWC) or safety certificate is included.
2. Price it like an enthusiast, not a car yard
Mods rarely return dollar-for-dollar, but quality parts, a known workshop and dyno sheets do hold value. Look at what similar builds are listed for, decide whether you're firm, ONO or open to offers, and be upfront about it.
3. Shoot photos that sell
Shoot in soft light — early morning or late afternoon. Get the full exterior from every corner, the engine bay, interior, wheels and brakes, and any paperwork. Up to 20 photos per listing on Horsepower House, and the first one becomes your hero.
4. List the specs properly
Engine, aspiration, power and how it was measured (at the wheels or flywheel), torque, transmission, diff, suspension, brakes, wheels and tyres. The more detail, the fewer time-wasting questions — and the quicker the right buyer reaches out.
5. Tell the build story
Who built it, when, and what's been done since. Receipts, a build book and show history all help. Be honest about what's not perfect; enthusiast buyers respect it and it saves arguments at inspection.
6. Handle enquiries safely
Keep conversations in your Horsepower House inbox until you're ready to meet. Meet in a public place for inspections, never hand over keys without seeing the buyer's licence, and confirm funds have cleared before handing over the car.
See what's selling
Check how similar builds are listed before you set your price.