2005 Chevrolet TrailBlazer EXT Wheel & Tire Sizes
Complete fitment guide for the 2005 Chevrolet TrailBlazer EXT: factory tire sizes, compatible wheel diameters, widths and offsets, and the 6x127 bolt pattern, for every trim.
Bolt Pattern
6x127
Centre Bore
77.8 mm
Lug nuts
M12 x 1.5
Wheel Diameters
17"–20"
Factory (OEM) Tire Sizes for the 2005 Chevrolet TrailBlazer EXT
OEM sizes
Click any size to shop tires in stock now, free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2005 Chevrolet TrailBlazer EXT Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2005 Chevrolet TrailBlazer EXT configuration.
4.2i · SUV
4.2L · I6 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–20" |
| Wheel width | 7–9" |
| Wheel offset | 35–43 mm |
| Tire width | 245–275 mm |
5.3i · SUV
5.3L · V8 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–20" |
| Wheel width | 7–9" |
| Wheel offset | 35–43 mm |
| Tire width | 245–275 mm |
2005 Chevrolet TrailBlazer EXT Fitment FAQ
What is the bolt pattern on a 2005 Chevrolet TrailBlazer EXT?
The 2005 Chevrolet TrailBlazer EXT uses a 6x127 bolt pattern (6 lug nuts on a 127 mm circle) with a 77.8 mm centre bore.
What size tires fit a 2005 Chevrolet TrailBlazer EXT?
Factory (OEM) tire sizes for the 2005 Chevrolet TrailBlazer EXT include 245/65R17. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2005 Chevrolet TrailBlazer EXT?
Depending on trim, the 2005 Chevrolet TrailBlazer EXT accepts wheels from 17" up to 20" in diameter with the correct width and offset, larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug nut size does a 2005 Chevrolet TrailBlazer EXT use?
The 2005 Chevrolet TrailBlazer EXT uses M12 x 1.5 lug nuts.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.