If you have a 2005 Chevy Silverado, then the bolt pattern is 6x5.5 or 6 on 5.5, so every wheel has six bolts that form a circle five and a half inches in diameter.

The 2005 Chevy Silverado is a reliable workhorse that doesn’t stint on comfort. You might want to swap out your factory tires for something that fits your needs, especially if you do a lot of hauling. However, don’t get new wheels or rims without knowing the bolt pattern.

We have the specs on the bolt pattern so you can get your Chevy back out on the road, new wheels and all.

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2005 Chevy Silverado bolt pattern

Any Chevy Silverado from 1999 to 2006 uses a 6x5.5 bolt pattern or 6 on 5.5. If you’re not sure what all those numbers mean, it just gives you the bolt pattern, which follows a basic pattern:

# of bolts x diameter of the circle they create

A bolt pattern tells you that your 2005 Silverado uses six bolts (also called lugs) and that they are arranged in a circle 5.5 inches across. Of course, that gives you only a small part of the info you need—you also want your 2005 Silverado’s stud size, wheel offset, center bore measurement, and torque specifications:

Factory wheel size: 17” and 18”

Stud size: M14 x 1.5

Offset: 4 to 25 mm

Center bore: 78.1 mm

Wheel tightening torque: 190 Nm

Once you have all these details, you can make the changes you want. You can pick new tires, get replacement lugs, change your hub caps, and more since it will help you find something that fits your truck.

MORE: Chevy lug pattern guide

How to measure your Chevy Silverado’s bolt pattern

If you want to double-check those numbers yourself, it’s not difficult–you’ll just need a tape measure or ruler to get started.

Since your 2005 Silverado has six bolts, that makes things easier. Pick one bolt on any wheel, then stretch the tape measure across to the opposite side to the bolt across from the first one. You’ll measure from the middle of the first bolt to the center of the second one.

That measurement gives you the diameter, then you just need to add it to the number of bolts (# of bolts x diameter of the circle), so in your truck’s case, it should be 6x5.5. Pretty easy! You’ll need this info if you’re buying new tires or hub caps since you want to make sure the new version will fit your 2005 Chevy Silverado.

MORE: Easy car mods

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