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2006 Buick Terraza Wheels & Rims: Bolt Pattern, Offset & Sizes

Fitting Buick Terraza wheels? This page gives the 2006 Buick Terraza bolt pattern (6x114.3), centre bore, factory rim size and the offset range for aftermarket and forged Buick Terraza rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.

Quick answer: The 2006 Buick Terraza uses a 6x114.3 bolt pattern with a 70.3 mm centre bore and M12x1.5 lug nuts. Factory wheels: 17x6.5J, front and rear.

Forged wheels for the 2006 Buick Terraza — drilled 6x114.3 with a 70.3 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in 20–25 days.

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Buick Terraza (2006): 6x114.3 bolt pattern, 70.3mm center bore. Factory wheels: 17x6.5J F/R. Flush and max fitment confirmed on request.

Bolt Pattern6x114.3
Wheel Bolt/NutM12x1.5 Nut
Center Bore70.3mm
Wheel Load Rating900–1250 kg/wheel (SUV segment reference)
Caliper TypeFactory caliper package (OEM)
Year2006
CategorySUV

✓ Data check: the bolt pattern and center bore on this page match an independent fitment reference. Last reviewed September 19, 2026. How we verify

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More free tools: bolt pattern lookup and offset calculator for your website.

Forged Wheel Designs for the Buick Terraza

Every design below is forged to order, so it can be machined to the Buick Terraza's 6x114.3 bolt pattern and 70.3 mm center bore, with the width and offset calculated for your setup.

How to Read Wheel Offset & Measurements

Use these two references before ordering: the left diagram shows where each spec (PCD, center bore, offset, width and diameter) is measured on the wheel; the right diagram shows how positive, zero and negative offset shift the wheel face relative to the hub centerline.

Diagram showing wheel measurement points: centerline, center bore diameter, PCD, offset, rim width and diameter
Centerline, center bore, PCD, offset, width & diameter
Diagram comparing positive, zero, and negative wheel offset relative to the wheel centerline
Positive vs. zero vs. negative offset

ANKUSI Engineering Expert Advice

On a vehicle this heavy, the wheel is a structural part before it is a styling part - it carries the load, the brake heat and the cornering forces all at once. A forged wheel buys back unsprung weight without giving up the load rating an SUV actually needs, which is the one number most cast aftermarket wheels quietly fall short on.

We publish the factory specification for the Buick Terraza below. We have not yet been able to verify aftermarket flush or maximum-aggressive offsets for this exact variant against a source we trust, so we are not listing any - an invented offset is worse than no offset when a wheel has to clear a caliper.

Buick Terraza OE Wheel Specs

The 2006 Buick Terraza (SUV) uses a 6x114.3 bolt pattern with a 70.3mm center bore. Factory wheels are 17x6.5J F/R.

Why the factory spec works for most owners:

  • Keeps unsprung weight low to preserve the factory handling balance
  • Matches the wider, performance-oriented tire sizing typical of this platform
  • Maintains clearance for the factory brake package and suspension geometry
  • Balances grip with ride comfort for daily and spirited driving

ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Buick Terraza (2006) we drill the 6x114.3 pattern and cut the centre bore to 70.3mm on our own CNC line, so the wheel hub-centres on the car with no spacer rings, in whatever diameter, width and offset you specify.

IATF 16949 & ISO 9001 certified · own 10,000-ton press in Guangzhou · from a single set to a full container

Converting these ET figures to backspacing? Use the wheel offset and backspacing calculator.

The figures on this page are part of our open wheel fitment dataset — 10,093 vehicles, free to download, CC BY 4.0.

Aftermarket Fitment: Confirmed on Request

Published aftermarket fitment for this exact variant is still thin, so we have not committed to a flush or maximum-aggressive figure. Our engineering team is still collecting verified data for this variant. In the meantime the factory specification above is accurate and is the safe reference point for ordering.

Need a wheel for this car now? Contact ANKUSI with your target diameter, width and offset and our engineers will confirm the correct forged spec against your brake package before anything is cut. You can also use our Offset & Backspacing Calculator to work through the numbers yourself.

Buick Terraza: Specs by Model Year

YearBolt patternCenter boreFactory wheel
20055x11570.3 mm17x6.5J
20066x114.370.3 mm17x6.5J
20076x114.370.3 mm17x6.5J

Check the model year before ordering: the specs change — bolt pattern 5x115 → 6x114.3 from 2006.

Vehicles With the Same Hub as the Buick Terraza (6x114.3, 70.3 mm Bore)

No other make in our database pairs 6x114.3 with a 70.3 mm center bore, so wheels taken from other brands need a hub-centric ring or a custom bore.

6x114.3 is used by 0.5% of the vehicle pages in our English fitment guide (30 of 6,503); 3.3% of those also use a 70.3 mm center bore.

Hub-Centric Rings for a 70.3 mm Center Bore

A wheel with a center bore larger than 70.3 mm needs a hub-centric ring. The most common combinations:

Wheel boreRing size
70.5 mm70.5 → 70.3 mm
71.6 mm71.6 → 70.3 mm
72.6 mm72.6 → 70.3 mm
73.1 mm73.1 → 70.3 mm

ANKUSI forged wheels are bored to exactly 70.3 mm for this vehicle, so no ring is needed.

Frequently Asked Questions

What bolt pattern (PCD) does the Buick Terraza use?
The 2006 Buick Terraza uses a 6x114.3 bolt pattern.
How many lug bolts does the Buick Terraza use?
The Buick Terraza uses a 6-lug bolt pattern (6x114.3), so you need a 6-lug forged wheel to bolt straight on.
What is the center bore size on the Buick Terraza?
The Buick Terraza's center bore is 70.3mm. If an aftermarket wheel has a larger center bore than this, hub-centric rings are recommended so the wheel centers on the hub itself rather than relying on the lug bolts alone.
What size are the factory (stock) wheels on the Buick Terraza?
Factory wheels on the Buick Terraza are 17x6.5J F/R.
Do I need wheel spacers for my Buick Terraza?
No. ANKUSI forges each wheel to your exact target offset, including the flush or max specs above, so you get the correct fitment without stacking spacers. Spacers are typically only used to push out an existing OE-offset wheel without replacing it, which isn't necessary when you're ordering a custom-offset forged wheel.
What's the difference between wheel offset and backspacing?
Offset is the distance in millimeters from the wheel's true centerline to its mounting face (positive offset pulls the wheel in, negative pushes it out). Backspacing is the distance in inches from the mounting face to the back edge of the wheel barrel. They describe the same fitment from two different reference points, which is why ANKUSI lists both above — some shops and tuning guides quote offset, others quote backspacing.
Can I run staggered wheels (different sizes front and rear) on my Buick Terraza?
The Buick Terraza runs the same wheel size front and rear from the factory, so staggered fitment is not required. ANKUSI can still forge a staggered set (wider rear) on request if you want a more aggressive stance.

More Buick Vehicles

Other Vehicles With the Same 6x114.3 Bolt Pattern

Sources and Last Update

Data checked against: avtoreference.com.

This record is part of the open ANKUSI Wheel Fitment Dataset (DOI 10.5281/zenodo.23241521, CC BY 4.0).

Other cars on the same factory size: 17x6.5 wheels · 17 inch wheels.

Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.

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