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Car Washing & Drying intermediate 4 min read

Pre-Sale Detailing Checklist: Maxwell's Profit Booster

Most car owners make this harder than it needs to be. Here's the straightforward approach that actually works—no fluff, no upselling.

Getting your car ready for a private sale? A proper detail can add thousands to the price and get it sold over the weekend instead of sitting on Marketplace for months.

B"W
Barry "Bazza" Williams Product Reviewer
| Updated: 1 June 2026
What You'll Learn
Pre-Sale Detailing Checklist: Maxwell's Profit Booster

Aussie Conditions

Australian conditions are tougher than most—intense UV, red dust, coastal salt, and 40°C summers. European car care advice often doesn't cut it here.
Quick Summary

Look, I've seen plenty of blokes try to sell a car with Maccas bags in the footwell and red dust still caked in the door seals. Big mistake. After 15 years in the trade, I've found that a clean car says the owner actually cared for the engine, too. This checklist is exactly what I do when a customer wants their daily driver looking 'showroom' for the photos.

01

The Essential Gear

What You'll Need

0/9
Two 15L buckets with grit guards — Don't skip the guards. I learned the hard way on a black Commodore that one tiny stone in your sponge will ruin your weekend.
Quality pH-neutral car wash — I'm a big fan of Bowden’s Own Nanolicious. Smells great and doesn't strip existing protection.
Microfibre wash mitt — Chuck that old yellow garage sponge in the bin. It's a paint killer.
APC (All Purpose Cleaner) — Dilute it 10:1. Great for door jambs and engine plastics.
Iron fallout remover — Essential if you live near a train line or heavy industry. It gets those 'rust spots' out.
Clay bar or clay mitt — If the paint feels like sandpaper after washing, you need this.
A decent spray sealant — Gtechniq Easy Coat is my go-to. It’s fast and gives that 'wet' look buyers love.
Microfibre drying towel — A big 'twisted loop' style towel. Saves you about 20 minutes of fluffing around.
Glass cleaner and two cloths — Streaky windows are a dead giveaway of a rush job.

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02

Pre-Start Sanity Check

What You'll Need

0/4
Is the car cool to the touch? — Never wash a hot car in the Aussie sun. You'll get water spots faster than you can rinse 'em.
Check for bat or bird droppings — Soak these with a wet paper towel for 5 mins first. Don't just scrub them or you'll scratch the clear coat.
Empty the personal junk — Clear the glovebox, center console, and under the seats. Buyers want to imagine their own stuff in there.
Check the spare tyre well — I once found a mouldy gym bag in a customer's boot. Smelt like a wet dog. Check it now.
03

The Game Plan

Tap each step to mark complete
01

The Wheels and Arches

Always start here. Use a separate bucket. If you do them last, you'll spray brake dust and grime all over your clean paint.

02

Pre-Wash and Rinse

Pressure wash the heavy grit off. Pay attention to the guards where that red outback dust loves to hide. Use APC on the fuel door.

03

Two-Bucket Wash

Wash from the top down. Rinse your mitt in the 'rinse' bucket after every panel. This keeps your wash water clean and scratch-free.

04

Decontamination

Hit the lower panels with iron remover. If you're feeling keen, use a clay mitt. This makes the paint feel like glass to a buyer's touch.

05

Dry and Protect

Dry it thoroughly to avoid water spots. Apply your spray sealant. This adds depth and makes the car pop in those Marketplace photos.

06

The 'Money' Interior

Vacuum twice. Use a soft brush for the vents. Wipe down surfaces with a matte finish protectant, nobody likes a greasy, shiny dashboard.

07

Glass and Door Jambs

Clean the inside of the glass twice. It's the first thing people notice when they sit in the driver's seat. Wipe those greasy door jambs!

04

The 'Would I Buy This?' Inspection

What You'll Need

0/4
Check the seat rails — Move the seats all the way forward. There's always a stray chip or coin hiding back there.
Check the boot seal — Clean the gutter where the boot lid closes. It's usually full of leaves and gunk.
Tyre shine (not too much) — Give them a light coat. Avoid the super greasy stuff that flings onto the paint when you drive to the meet-up.
The 'Smell Test' — Don't use those 'New Car' trees. They smell fake. Just a clean, neutral scent is best.

A Few Words of Advice

Honestly, if you've got scratches that your fingernail catches in, don't bother trying to polish them out by hand. You'll just make a mess. A bit of touch-up paint is better than a giant hazy patch of botched sanding. Just keep it honest for the buyer.

Watch Out

Avoid using 'Engine Shine' sprays on the engine bay. It looks cheap and suspicious, like you're hiding an oil leak. A gentle wipe with a damp rag is all you need. Also, stay away from the 'scrubbing' side of kitchen sponges for bugs, you'll be at the panel shop getting a respray before you know it.

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Professional advice for Australian conditions

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Products We Recommend

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pH Neutral Snow Foam
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Ceramic Coating 9H
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$89.95 View

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