#1
Castle Hill Exhaust and Performance Centre
4.9
Read 710 reviews · Score: 85/100
4 Hoyle Ave, Sydney NSW 2154
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2026 Rankings
Best Auto Parts Stores in Castle Hill
Compare the top auto parts stores in Castle Hill & Sydney, NSW — ranked by our composite reputation score.
Updated August 2026 · Based on 3,513 real Google reviews across 22 auto parts stores
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Top Auto Parts Stores in Castle Hill & Sydney, NSW
The best auto parts stores in Castle Hill, NSW are Castle Hill Exhaust and Performance Centre (4.9★, 710 reviews), MX5 Mania (4.9★, 193 reviews), Auto One Castle Hill (4.7★, 312 reviews), Supercheap Auto Castle Hill (4.6★, 282 reviews) and Roof Racks Galore, Castle Hill Superstore (4.5★, 140 reviews). Each is ranked by an independent reputation score from real Google reviews (3,513 reviews analysed across 22 businesses) — see the full top 22 below. Rankings last updated August 2026.
#3
Auto One Castle Hill
4.7
Read 312 reviews · Score: 73/100
9 Hoyle Ave, Sydney NSW 2154
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#4
Supercheap Auto Castle Hill
4.6
Read 282 reviews · Score: 73/100
Supercheap Auto Castle Hill 4.6(282)Auto parts store · · Shop 1, Homemaker Centre, 6 Victoria AveClosed · Opens 8:30 am · (02) 8895 3610
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#5
Roof Racks Galore, Castle Hill Superstore
4.5
Read 140 reviews · Score: 70/100
Roof Racks Galore, Castle Hill Superstore 4.5(140)Auto parts store · · 3/8 Anella AveClosed · Opens 8:30 AM · +61 2 9899 3256
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#6
Rolan Australia
4.4
Read 1069 reviews · Score: 67/100
Rolan Australia 4.4(1,069)Auto parts store · · Unit 1/25 Bearing RdClosed · Opens 8 AM Mon · +61 2 9620 6688
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#16
Roof Rack City CASTLE HILL
4.7
Read 58 reviews · Score: 51/100
7 Packard Avenue, Castle Hill NSW 2153
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#19
Brookvale Spares
3.6
Read 38 reviews · Score: 26/100
"Good communication, great customer service, never let me down!"
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Frequently Asked Questions
Common questions about auto parts stores in Castle Hill.
Who are the best auto parts stores in Castle Hill?
We've ranked the top 22 auto parts stores in Castle Hill, NSW based on our composite reputation score combining Google ratings, review volume, and online presence. Our rankings are updated daily.
How do you rank auto parts stores in Castle Hill?
Each business gets a reputation score out of 100 from three things: its Google star rating (up to 47 points), how many reviews back that rating (up to 35), and whether customers can reach it via a website and phone number (up to 18). Review volume is the one part that can subtract: below 15 reviews it costs points, because a near-empty review record gives a stranger very little to go on. No score falls below 0, nothing else is counted, and placement cannot be bought. The score measures the strength of a business's public review record rather than the quality of its work, so it is worth reading the reviews as well — every listing links to them on Google.
Why does a auto parts store with all 5-star reviews score lower than one with a lower rating?
Because review volume counts as well as rating, and below 15 reviews it counts against you. Five perfect reviews are encouraging but thin evidence; three hundred reviews averaging 4.7 tell a stranger far more about what to actually expect on the day. That is a judgement about how much proof exists, not about the quality of the work, and a newer business with a handful of excellent reviews may still be the right choice. The star rating and review count sit next to every score so you can weigh both yourself.
Why does the same business not appear several times?
Some businesses run more than one Google listing, often one per suburb they service. Those are the same company, so we group them and show the business once, using the listing with the strongest review record.
How many auto parts stores are there in Castle Hill?
We track hundreds of auto parts stores across Castle Hill and the wider NSW area. This page shows the top 22 based on their online reputation.
How can I improve my auto parts store business ranking in Castle Hill?
The best way to improve your ranking is to consistently collect genuine customer reviews. Businesses that actively manage their online reputation typically see 2-3x more enquiries. Tools like Starworks can automate this process.
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