OEM wheel and tire fitment specs for the 2009 Buick Enclave, including bolt pattern (PCD), center bore diameter, thread size, rim diameter, rim width, wheel offset, and backspacing.
2009 Buick Enclave Fitment Specs
Baseline mounting dimensions used for interchange decisions.
A normal wheel spacer does not change bolt pattern. Hub rings cannot enlarge a wheel bore that is smaller than the hub. Brake clearance and tire package fitment still require vehicle-specific checks when not confirmed in the dataset.
Wheel Interchange And Fitment Guide: 2009 Buick Enclave
Known OEM Fitment For 2009 Buick Enclave
The values below reflect a known factory wheel and tire configuration for the 2009 Buick Enclave. Other trims or packages may use different wheel sizes or offsets. If your door-jamb tire label or OEM parts catalog shows a different size, use those values as your baseline and verify with the on-page calculator.
Bolt pattern
6x132
Center bore
74.5 mm
Thread size
M14 x 1.5
Rim diameter
19 in
Rim width
7.5 in
Wheel offset (ET)
50 mm
Backspacing
5.72 in
Tire size
255/60R19
Notes:
Hub centric size is 74.5 mm. If an aftermarket wheel has a larger center bore, use hub centric rings to adapt to 74.5 mm.
Lug nut seat type is wheel dependent. Verify the correct seat style for your wheel before purchase.
If your Enclave did not come with 19 inch wheels, confirm your exact OEM size on the tire placard and match it in the calculator baseline.
How To Use The Wheel Interchange Calculator
The calculator on wheelinterchange.com compares donor wheels and tires against your 2009 Buick Enclave and updates clearances and tire diameter as you change sizes. Follow these steps:
Set Installed on (your vehicle) to 2009 Buick Enclave.
Enter your baseline OEM specs. Use the values above or the exact sizes from your door-jamb label if different.
Choose a Wheels from (donor vehicle) or enter a Custom wheel size. You can change rim diameter, width, and offset. Use Custom tire size to adjust section width and aspect ratio.
Watch inner clearance to the strut and suspension, and outer position relative to the fender. The tool shows how poke and backspacing change from stock.
When you change rim diameter, the calculator updates tire diameter in the comparison. Aim to keep overall tire diameter within about 3 percent of stock to maintain speedometer and ABS behavior.
Review brake caliper clearance and load rating with the seller. Perform a physical test fit before mounting tires.
Fitment Checklist Before You Buy
Bolt pattern must be 6x132.
Center bore must be 74.5 mm or the wheel must be larger with proper hub centric rings installed.
Threads must be M14 x 1.5. Match lug nut seat type to the wheel design.
Offset and backspacing must provide safe inner and outer clearance. Use the calculator and verify at full steering lock and full suspension compression.
Wheel and tire load ratings must meet or exceed OEM requirements for the Enclave.
Brake caliper and spoke clearance must be confirmed with a test fit.
Overall tire diameter should remain close to OEM. Large changes can affect speedometer, ABS, traction control, and gearing.
TPMS compatibility must be maintained. Reuse or source compatible sensors and complete the relearn procedure.
If your vehicle is AWD, keep front and rear tire diameters equal to protect the drivetrain.
Plus Sizing And Common Upgrades
You can explore alternate wheel diameters and widths using the calculator. General guidance:
Plus sizing to a larger rim often requires a lower tire aspect ratio to keep overall diameter near stock. Use the calculator to select a tire that keeps diameter within about 3 percent of OEM.
Wider wheels and tires can improve grip but may require offset changes. Check inner strut clearance and outer fender coverage carefully.
Winter downsizing to a smaller rim with a taller tire sidewall can improve ride and snow traction. Verify brake caliper clearance before purchasing smaller wheels.
Avoid staggered tire diameters on AWD. Keep all four tire diameters the same.
Installation Tips
Inspect and clean the hub face and wheel mounting pad. Remove rust with a wire brush. Do not use excessive lubricant on mating surfaces.
Install hub centric rings if the wheel bore is larger than 74.5 mm. Make sure rings seat fully against the hub and in the wheel.
Hand thread M14 x 1.5 lug nuts and snug in a star pattern to center the wheel. Torque to the factory specification from your owner manual or service information.
After any change in wheel width or offset, schedule an alignment check.
Relearn TPMS after installation and set tire pressures to the door placard specification.
Re-torque lug nuts after 50 to 100 miles of driving.
What wheels are interchangeable with the 2009 Buick Enclave? Wheels must match the 6x132 bolt pattern, clear the 74.5 mm hub or use proper rings, use M14 x 1.5 hardware with the correct seat style, provide safe offset and backspacing, and meet load rating requirements. Use the calculator to compare dimensions and always test fit.
Can I run a different wheel diameter than 19 inches? Possibly, provided the wheel clears the brakes and the tire you choose keeps overall diameter near stock. Use the calculator to plan sizes and verify clearances, then confirm with a physical test fit.
Do I need hub centric rings? If your wheel center bore is larger than 74.5 mm, yes. Use rings that adapt the wheel bore down to 74.5 mm so the wheel centers on the hub.
What lug nuts should I use? The Enclave uses M14 x 1.5 threads. The seat type must match the wheel design. Check with the wheel manufacturer or seller to confirm whether you need conical, ball, or mag-seat hardware.
What is the correct lug nut torque? The specific torque is not provided here. Use the value in your owner manual or GM service information for the 2009 Enclave. Torque in a star pattern on clean threads, then re-torque after 50 to 100 miles.
Will spacers help if the offset is not ideal? Spacers can change effective offset but add complexity. They must match 6x132 and 74.5 mm, be high quality, and may require hardware changes. Use the calculator, aim to select the correct wheel specs first, and consult a professional if spacers seem necessary.
How do I check brake caliper clearance? Use the calculator for a preliminary check, then test fit the bare wheel on front and rear hubs. Spin the wheel by hand to ensure spoke and barrel clearance over calipers without contact.