2017 Buick LaCrosse Wheel Interchange

2017 Buick LaCrosse Wheel Fitment Guide

Known OEM Fitment For 2017 Buick LaCrosse

The values below are confirmed items we have for the 2017 Buick LaCrosse. Trims and option packages can change wheel and tire specs. If a value is not listed, verify it on your door-jamb tire label, owner’s manual, or with the on-page calculator and an OEM source before you buy.

Important: The LaCrosse was offered with multiple wheel and tire packages. If your car shows a different OEM size on the door sticker or in the manual, use those as your baseline and compare with the calculator before selecting wheels.

How To Use The Wheel Interchange Calculator

• Open the calculator on this page.
• In Wheels from (donor vehicle), select the vehicle or manually enter the donor wheel and tire specs you want to try.
• In Installed on (your vehicle), select 2017 Buick LaCrosse. This sets your baseline.
• Optional: Use Custom wheel size to test rim diameter, width, and offset. Use Custom tire size to test section width and aspect ratio. When you change rim diameter, the tire diameter in the comparison updates so you can see overall changes.
• Review the comparison for:
  • Inner clearance to strut and suspension
  • Outer poke vs fender edge
  • Overall tire diameter and ride height change
  • Speedometer error and gearing impact
• Aim to keep overall tire diameter close to your OEM size. Small changes are typically easiest to fit and keep ride and handling predictable.
• Before buying, cross-check the final sizes against your door-jamb label and owner’s manual. When in doubt, measure your car and consult an OEM service source.

Fitment Checklist Before You Buy

• Bolt pattern: Wheel must be 5x115.
• Center bore: Wheel bore must be 70.3 mm or larger. If larger, use hub-centric rings that reduce to 70.3 mm.
• Offset: Keep offset close to OEM to maintain inner and outer clearance. Use the calculator to visualize changes vs ET40 on the known 19x8.5.
• Brake and suspension clearance: Verify spoke and barrel clearance for calipers and struts. Many wheel makers provide brake templates.
• Overall tire diameter: Keep close to your OEM tire’s diameter to help preserve ABS, stability control, and speedometer accuracy. Small changes, roughly within a few percent, are generally preferred.
• Load rating: Wheel and tire load ratings must meet or exceed vehicle requirements.
• Lug hardware: Match thread size M12x1.5 and the correct seat type for your wheels. Do not mix seat types.
• TPMS: Ensure compatibility or be prepared to transfer and relearn sensors.

Plus Sizing And Common Upgrades

The LaCrosse was offered with different OEM packages. Some owners move between 18-inch and 19-inch setups to tune ride and handling. If you plan to change sizes:

• Use the calculator to keep the new tire’s overall diameter close to your OEM reference.
• Match 5x115, M12x1.5, and a hub-centric fit at 70.3 mm.
• Keep wheel offset near OEM to reduce the chance of rubbing on struts or fenders.
• Check brake caliper clearance with any wheel that has a different spoke profile.

If your LaCrosse currently has 235/50R18 and you are considering a 19-inch wheel, compare the new tire’s diameter and width to your OEM baseline and inspect clearances at full lock and over bumps.

Installation Tips

• Safety first: Park on level ground, chock wheels, and use quality jack stands under proper lift points.
• Clean the hub face: Remove rust and debris so the wheel seats flat. A thin film of anti-seize on the hub center can help prevent sticking, but keep it off the stud threads and the wheel’s seating surface.
• Test fit: Spin the wheel by hand with lug nuts finger-tight to confirm caliper, strut, and fender clearance before final mounting.
• Torque correctly: Use a torque wrench and tighten in a star pattern to the OEM torque spec listed in your owner’s manual or service information.
• TPMS: Install compatible sensors and complete the relearn procedure per the service manual.
• Recheck: After your initial drive, recheck torque and inspect for any rubbing marks on liners or suspension components.

Tools And Helpful Supplies

• 1/2 inch drive torque wrench: Shop options
• M12x1.5 lug nuts or bolts to match your wheel seat: Browse choices
• Tire pressure gauge: See gauges
• Floor jack and jack stands set: Compare sets

FAQs

• Can I use 5x114.3 wheels on a 5x115 Buick LaCrosse?

  It is not recommended. The mismatch can stress studs and compromise safety. Use the exact 5x115 pattern.

• Do I need hub-centric rings on aftermarket wheels?

  If the wheel’s center bore is larger than 70.3 mm, use rings that reduce the bore to 70.3 mm for a hub-centric fit and minimized vibration.

• What offset should I choose?

  Start with the OEM reference. For a known OEM 19x8.5, ET40 is typical. Keep your new offset close and verify inner and outer clearance with the calculator and a physical test fit.

• What tire size can I run without rubbing?

  Clearance depends on tire width, overall diameter, wheel width, and offset. Use the calculator to compare against your OEM tire and inspect at full steering lock and over suspension travel. When uncertain, measure and consult service data.

• Will changing wheel size affect my speedometer?

  Only if the overall tire diameter changes. Keep the new tire’s overall diameter close to OEM to minimize speedometer error. The calculator will show the difference.

• Do I need new lug nuts?

  Possibly. You must match thread size M12x1.5 and the seat type required by your new wheels. Never mix seat styles.

• How do I confirm my car’s original size?

  Check the tire label on the driver’s door jamb and the owner’s manual. Use those values as your baseline in the calculator.

If any spec for your exact trim is not listed here, verify it with the calculator, your door-jamb label, the owner’s manual, or an OEM service source before purchasing wheels or tires.