2006 Hummer H3 Bolt Pattern & Tire Size
The 2006 Hummer H3 OEM tire size, bolt pattern, and wheel specifications are listed below. All data is based on industry-standard OEM reference specifications.
The 2006 Hummer H3 has a 6x139.7 bolt pattern, an OEM tire size of 265/75R16, and a 100.3mm center bore.
2006 Hummer H3 Engine & Trim Levels
Detailed tire and wheel breakdown for the 2006 Hummer H3
Tire geometry â 265/75R16
The 265/75R16 fitted to the 2006 Hummer H3 has a section width of 265mm and an aspect ratio of 75%, mounted on a 16-inch rim. That gives a sidewall height of 198.8mm (7.82") and an overall outside diameter of 803.9mm (31.65"). At highway speed this tire completes roughly 396 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 2006 Hummer H3 while keeping the speedometer accurate, target a 275/68R17 (plus-one). For a softer ride or winter setup, a 255/83R15 (minus-one) keeps the overall diameter within Âą3% of stock, which is the industry tolerance for ABS and stability control to stay calibrated.
Wheel fitment specs
The 2006 Hummer H3 uses a 6x139.7 bolt pattern with a 100.3mm hub bore. Safe rim width range for the OEM tire is 7.0J â 8.0J, and offsets in the ET33 â ET43 window will clear suspension and fender without rubbing on most setups.
Tire pressure guidance
Manufacturer-recommended cold tire pressure for the 2006 Hummer H3 is printed on the driver-side door jamb sticker â always defer to that value, not to the maximum pressure printed on the tire sidewall. Check pressure monthly and before long trips; under-inflation by 20% can reduce tread life by 25%.
OEM Wheel & Tire Specs
Frequently Asked Questions
What tire size does the 2006 Hummer H3 Alpha use?
The 2006 Hummer H3 Alpha uses 265/75R16 tires as standard equipment.
What is the bolt pattern of the 2006 Hummer H3?
The 2006 Hummer H3 has a 6x139.7 bolt pattern with a center bore of 100.3mm.
What is the wheel offset of the 2006 Hummer H3?
The 2006 Hummer H3 has a wheel offset of ET38.
Other Vehicles with 6x139.7 Bolt Pattern
The following vehicles share the same 6x139.7 bolt pattern as the 2006 Hummer H3, making wheel interchangeability possible (verify offset and center bore before swapping).