2019 Buick LaCrosse Wheel Interchange

OEM wheel and tire fitment specs for the 2019 Buick LaCrosse, including bolt pattern (PCD), center bore diameter, thread size, rim diameter, rim width, wheel offset, and backspacing.

2019 Buick LaCrosse Fitment Specs

Baseline mounting dimensions used for interchange decisions.

Bolt Pattern5x115, 5x120
Center Bore70.3 mm
Lug ThreadM12 x 1.5
OEM Wheel Sizes18" – 20"
OEM Widths8" – 8.5"
OEM Offset Range40 mm – 42 mm

Multiple OEM configurations exist for this vehicle. Fitment can vary by trim, brakes, and factory wheel package – confirm your exact setup before buying.

Wheels That Interchange With a 2019 Buick LaCrosse

Results are evaluated from bolt pattern, center bore direction, OEM width/offset envelope, and lug hardware – not bolt pattern alone.

Direct Fit

  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match
  • Wheel geometryCompatible with OEM envelope

Geometry within known OEM envelope (approx. outer change -2.18 mm, inner change -4.18 mm vs mid OEM).

  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match
  • Wheel geometryCompatible with OEM envelope

Geometry within known OEM envelope (approx. outer change -2.18 mm, inner change -4.18 mm vs mid OEM).

  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match
  • Wheel geometryCompatible with OEM envelope

Geometry within known OEM envelope (approx. outer change -2.18 mm, inner change -4.18 mm vs mid OEM).

Direct Fit – Hardware Note

2016 Buick LaCrosse

Direct Fit – Hardware Note
  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match
  • Wheel geometryCompatible with OEM envelope
  • HardwareUse lug nuts for your vehicle

HardwareLug nuts for M12x1.5

Use lug nuts compatible with your vehicle's studs. Geometry within known OEM envelope (approx. outer change -2.18 mm, inner change -4.18 mm vs mid OEM).

See matching lug nuts →

2011 Buick Regal

Direct Fit – Hardware Note
  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match
  • Wheel geometryCompatible with OEM envelope
  • HardwareUse lug nuts for your vehicle

HardwareLug nuts for M12x1.5

Use lug nuts compatible with your vehicle's studs. Geometry within known OEM envelope (approx. outer change -3.18 mm, inner change -3.18 mm vs mid OEM).

See matching lug nuts →

2012 Buick Regal

Direct Fit – Hardware Note
  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match
  • Wheel geometryCompatible with OEM envelope
  • HardwareUse lug nuts for your vehicle

HardwareLug nuts for M12x1.5

Use lug nuts compatible with your vehicle's studs. Geometry within known OEM envelope (approx. outer change -3.18 mm, inner change -3.18 mm vs mid OEM).

See matching lug nuts →

2013 Buick Regal

Direct Fit – Hardware Note
  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match
  • Wheel geometryCompatible with OEM envelope
  • HardwareUse lug nuts for your vehicle

HardwareLug nuts for M12x1.5

Use lug nuts compatible with your vehicle's studs. Geometry within known OEM envelope (approx. outer change -3.18 mm, inner change -3.18 mm vs mid OEM).

See matching lug nuts →

2014 Buick Regal

Direct Fit – Hardware Note
  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match
  • Wheel geometryCompatible with OEM envelope
  • HardwareUse lug nuts for your vehicle

HardwareLug nuts for M12x1.5

Use lug nuts compatible with your vehicle's studs. Geometry within known OEM envelope (approx. outer change -2.18 mm, inner change -4.18 mm vs mid OEM).

See matching lug nuts →

2015 Buick Regal

Direct Fit – Hardware Note
  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match
  • Wheel geometryCompatible with OEM envelope
  • HardwareUse lug nuts for your vehicle

HardwareLug nuts for M12x1.5

Use lug nuts compatible with your vehicle's studs. Geometry within known OEM envelope (approx. outer change -2.18 mm, inner change -4.18 mm vs mid OEM).

See matching lug nuts →

2016 Buick Regal

Direct Fit – Hardware Note
  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match
  • Wheel geometryCompatible with OEM envelope
  • HardwareUse lug nuts for your vehicle

HardwareLug nuts for M12x1.5

Use lug nuts compatible with your vehicle's studs. Geometry within known OEM envelope (approx. outer change -2.18 mm, inner change -4.18 mm vs mid OEM).

See matching lug nuts →

2017 Buick Regal

Direct Fit – Hardware Note
  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match
  • Wheel geometryCompatible with OEM envelope
  • HardwareUse lug nuts for your vehicle

HardwareLug nuts for M12x1.5

Use lug nuts compatible with your vehicle's studs. Geometry within known OEM envelope (approx. outer change -2.18 mm, inner change -4.18 mm vs mid OEM).

See matching lug nuts →

Fits With Spacer

2008 Buick LaCrosse

Fits With Spacer
  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match
  • Wheel geometryOutside OEM envelope

Potential requirementWheel spacer ≈ 10.18 mm

Potential requirement: 10.18 mm wheel spacer. Estimated outer position is about 10.18 mm farther inward than the mid OEM package.

Check Fitment

2007 Buick LaCrosse

Check Fitment
  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match

Donor width/offset sits outside the known OEM envelope for this vehicle.

2006 Buick LaCrosse

Check Fitment
  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match

Donor width/offset sits outside the known OEM envelope for this vehicle.

2005 Buick LaCrosse

Check Fitment
  • Bolt pattern5x115 · Match
  • Center bore70.3 mm · Match

Donor width/offset sits outside the known OEM envelope for this vehicle.

Buick LaCrosse Years With Compatible Wheels

Only years with evidence-based interchange relationships are listed. Adjacent years are not assumed compatible.

Will Wheels From Another Vehicle Fit?

Compare a donor vehicle or custom wheel against this 2019 Buick LaCrosse.

Compare

Compare wheel compatibility between two vehicles

Wheels from (donor vehicle)

Installed on (your vehicle)

Selected Car:

2019 Buick LaCrosse

Compare Rims

Specification
Wheels from
Installed on
Result (Click it)
Bolt Pattern
Bolt Pattern
The total number of bolt holes and the diameter of the circle they form.
-
5x115
Center Bore
Center Bore
The hole in the center of the wheel that fits over the vehicle’s hub.
-
70.3 mm
Thread Size
Thread Size
The size and spacing of the threads on the bolts or nuts that hold the wheel in place.
-
M12 x 1.5
Rim Diameter
Rim Diameter
The wheel diameter in inches that determines which tire sizes will fit.
-
19"
Rim Width
Rim Width
The distance between the inner edges of the wheel is measured in inches.
-
8.5"
Wheel Offset
Wheel Offset
How far the wheel sits inward or outward relative to the hub mounting surface.
-
40 mm
Backspacing
Backspacing
Shows how much space the wheel takes up toward the inside of the vehicle.
-
-
Wheel Fasteners
Wheel Fasteners
The type of hardware used to secure the wheel to the vehicle.
-
-

Wheel Fitment Parts for the 2019 Buick LaCrosse

Products below are matched to required fitment dimensions from our parts inventory. Confirm seat style, thickness, and clearance before ordering.

Lug Nuts / Wheel Bolts

M12 x 1.5

Wheel Adapters

5x115 · 70.3 mm hub

Directional bolt-pattern adapters. A spacer does not change PCD.

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Why These Wheels Fit

Wheel interchange depends on more than bolt pattern. Where data is available, this site compares:

  • Bolt pattern / PCD
  • Center bore direction (donor wheel bore must not be smaller than the hub)
  • Wheel diameter, width, and offset against known OEM ranges
  • Lug thread / hardware differences (vehicle-side hardware)

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.

tl;dr

2019 Buick LaCrosse factory wheels use 5x120 studs, 67.1 mm bore, and M14 x 1.5 lug threads. OEM wheel size shown is 19 x 8.5 with ET 40 and 5.82 inch backspacing. Tire data on this page lists 235/50 but shows an 18 inch tire rim, which conflicts with the 19 inch wheel. Use the on-page calculator and OEM sources to confirm your trim before buying wheels or tires.

Recommendation

Match critical fitment first: bolt pattern, center bore, and lug thread. Prioritize wheels with 5x120 and a 67.1 mm bore. Stay near ET 40 on offset and around 8.5 inch rim width unless you test variations in the calculator. Confirm the correct rim diameter for your trim before selecting tires.

Impact

Getting the three core specs right avoids vibration and hub damage. Offset and width changes affect fender clearance and scrub radius. Mismatched rim diameter or tire size affects speedometer and ride height. Using the wrong bore can cause hub chatter or stress on lugs.

Risks

  • Incorrect rim diameter listed on this page could lead to incompatible tires.
  • Assuming ET tolerance beyond a few millimeters can cause rubbing or steering feel changes.
  • Using non hub-centric wheels without rings risks vibration.
  • Installing incorrect lug nut type or torque risks stud or wheel failure.

Next actions

Follow this checklist in order. Each step takes only minutes.

  • Verify your exact trim specs. Check the door jamb sticker, owner manual, or dealer parts department. Confirm rim diameter, width, and recommended tire size. This page contains conflicting wheel/tire diameter data; do not assume one value is correct.
  • Use the on-page wheel/tire calculator. Enter custom rim diameter, width, offset, and custom tire section/aspect ratio. Compare visual clearances and overall diameter changes before ordering.
  • Confirm lug thread and torque. Thread size is M14 x 1.5 per the page. Look up OEM wheel torque in your manual or dealer bulletin before tightening.
  • Measure hub bore and decide hub-centric rings if needed. Use a ring sized to 67.1 mm bore to center aftermarket wheels.
  • Select correct lug nuts. Choose the seat type that matches wheel design and the M14 x 1.5 thread. Check length and taper if using extended studs or spacers.
  • Test fit one wheel before final purchase when possible. Inspect for rubbing and clearance on suspension and fender lips.

Quick reference table

SpecValue (page)Notes
Bolt pattern5x120Critical match
Center bore67.1 mmUse hub-centric ring if needed
Thread sizeM14 x 1.5Confirm lug nut seat type
Rim diameter19 inPage also lists 18 in tire. Verify trim
Rim width8.5 inTypical OEM width
Offset (ET)40 mmStay close unless tested
Backspacing5.82 inConsistent with ET 40
Tire (section x aspect)235 / 50Confirm rim diameter before buying

Gotchas and final notes

Do not assume all specs are uniform across trims. If any spec is unknown, use the calculator to model changes and call your dealer for exact OEM torque and recommended tire sizes. Fitment mistakes often come from a single unchecked value.

Tools and parts (optional)

Common items to buy for a safe swap. Use these searches to find tools and rings.

Next steps: confirm your trim details, then run the on-page calculator. After that, order wheels and hardware that match bolt pattern, bore, and thread. If you want, I can walk through calculator scenarios with a target rim or tire size.

Nick Marchenko

Automotive Expert