Chevy Trailblazer Bolt Pattern

Your source for Chevy Trailblazer bolt pattern info—from stud size and offset to the tools you’ll need to measure for yourself.
Written by Amber Reed
Reviewed by Pat Roache
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The bolt pattern for a Chevy Trailblazer is 5x4.5, which means that each wheel has five bolts arranged in a 4.5-inch diameter circle.
If you're tackling a
car repair
for wheels that were damaged in an accident, or you’re just ready for something bigger and more stylish on your Trailblazer, you might be thinking about a new set of rims. Upgrading your wheels can be a pretty straightforward process, but make sure you know your Chevy’s bolt pattern first.

Chevy Trailblazer bolt pattern

The bolt pattern, or lug pattern, for a Chevy Trailblazer is 5x4.5, or 5 on 4.5. This is a relatively common
Chevy lug pattern
, although many models vary. 
If you’re not sure what that bolt pattern means, you can try to think of it in terms of this simple formula:
# of bolts x diameter of the circle they form
In other words, each of your Trailblazer’s wheels has five lugs arranged in a circle that’s 4.5 inches in diameter. This is the most important measurement to keep in mind when purchasing new rims, but you should also be aware of other details about your wheels, such as:
  • Factory wheel size: 16”, 17”, or 18”
  • Stud size: M12 x 1.5
  • Offset: 22 to 42 mm
  • Center bore: 70.2 mm
  • Wheel tightening torque: 140 Nm 
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How to measure your Chevy Trailblazer’s bolt pattern

The specifications listed in the previous section can give you a general idea of what you need to know to purchase a set of rims compatible with your Chevy Trailblazer. However, keep in mind that some of these measurements can vary based on trim level. For example, the
Trailblazer LS
comes standard with 17-inch wheels, while the RS has larger, 18-inch wheels.
You can find most of this information in your
car owner’s manual
, but if you still want to check your Chevy Trailblazer’s bolt pattern on your own—you can! 
Just grab a measuring tape or ruler, pick a bolt on one of your tires, and measure from the outermost edge of the lug hole to the center of the opposite bolt. Because the Trailblazer has an odd number of bolts, you can’t measure straight across. Instead, just measure to the center of the closest bolt.
You should get a diameter of 4.5 inches. Put that together with your Trailblazer’s five bolts to get your bolt pattern of 5x4.5, or 5 on 4.5!
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FAQ

The 2022 Trailblazer has a bolt pattern of 5x4.5, or five bolts in a 4.5-inch diameter circle.
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