Holden Trailblazer Generations Overview
RG Trailblazer (2016–2020)
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Tyre Sizes:
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255/65R17
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265/60R18
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Rim Sizes:
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17x7.5J
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18x7.5J
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PCD: 6x139.7
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Offset: ET33 to ET40
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Centre Bore: 100.3 mm
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Wheel Nut Torque: 140 Nm
Key Technical Summary
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PCD: 6x139.7
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Centre Bore (CB): 100.3 mm
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Offset Range: ET33 → ET40
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Wheel Nut Torque: 140 Nm
Common Upgrade Tyre Sizes (Australia)
Popular workshop upgrades:
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265/65R17 (most common all-terrain upgrade)
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265/70R17 (off-road focused, may require lift)
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275/65R18 (aggressive stance, check clearance)
Always ensure rolling diameter compliance and correct load rating for towing applications.
Recommended Tyres for Holden Trailblazer
At Autosport Tyre World, we commonly recommend:
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Highway Terrain / Daily Driving
https://autostw.com.au/search?type=product&q=Continental+CrossContact -
All Terrain
https://autostw.com.au/search?type=product&q=Hankook+Dynapro+RF12 -
Off-Road / Heavy Duty
https://autostw.com.au/search?type=product&q=Nitto+Grappler
Why Correct Fitment Matters
Correct tyre and wheel fitment ensures:
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Safe towing performance and load capacity
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Proper off-road clearance and articulation
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Reduced vibration through correct centre bore matching
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Even tyre wear and improved durability
Incorrect offset or oversized tyres can lead to guard rubbing, steering issues, and increased fuel consumption.
Visit Autosport Tyre World
Professional fitting, balancing, and expert advice available at:
Magill
647 Magill Road, Magill SA 5072
0452 641 023
Wingfield
411 Grand Junction Road, Wingfield SA 5013
0433 645 411
Clarence Gardens
911 South Road, Clarence Gardens SA 5039
0420 299 911