2006 Chevrolet TrailBlazer EXT Wheel & Tire Sizes
Complete fitment guide for the 2006 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 2006 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.
2006 Chevrolet TrailBlazer EXT Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2006 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 |
2006 Chevrolet TrailBlazer EXT Fitment FAQ
What is the bolt pattern on a 2006 Chevrolet TrailBlazer EXT?
The 2006 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 2006 Chevrolet TrailBlazer EXT?
Factory (OEM) tire sizes for the 2006 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 2006 Chevrolet TrailBlazer EXT?
Depending on trim, the 2006 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 2006 Chevrolet TrailBlazer EXT use?
The 2006 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.