Selling Process 4 min read

What to Fix Before Selling Your Car (And What to Leave Alone)

Not all repairs are worth doing before a sale. Here's a practical guide to what you should fix — and what's better left for the buyer.

Repairs generally worth doing before sale

The test for any pre-sale repair: does the fix cost less than the price uplift it creates?

**Generally worth doing:**

  • Detail the interior and exterior. A professional car detail ($150–$300) consistently returns more than its cost in private sale uplift.
  • Fix warning lights. A dashboard warning light ($50–$200 to diagnose and clear for minor issues) creates significant buyer anxiety.
  • Replace burned-out globes. Headlights, tail lights, or indicators that don't work are an immediate red flag. These cost $20–$60 to fix.
  • New tyres if severely worn. Bald tyres are a safety issue and a negotiating point.
  • Service the car if overdue. An overdue service signals neglect. If you're within 2,000 km of a service interval, get it done.

Repairs usually not worth doing

Cosmetic dents and scratches. Unless severe, smart repair costs $300–$800 and rarely returns full cost in price uplift. Buyers expect minor wear on used cars.

Major mechanical work. If your car needs a clutch, gearbox, or engine work costing $2,000+, the repair cost rarely adds equivalent value.

Windscreen chips. Unless expanding toward the driver's sightline, most buyers can address it themselves cheaply.

Air conditioning regas. Worth doing ($150) if the system works but blows warm. Skip it if the compressor itself has failed — that's a much larger job.

Frequently asked questions

Is it worth getting a pre-sale service?

Yes, if you're selling privately and the car is overdue. It removes the 'hasn't been serviced in ages' objection and gives you a current invoice to show buyers.

Should I repaint scratches before selling?

Generally no. Professional repainting is expensive ($500–$2,000 per panel) and rarely returns its cost.

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