2019 Buick Enclave Wheel Interchange

2019 Buick Enclave Wheel Fitment Guide

Known OEM Fitment For 2019 Buick Enclave

The following factory specifications are known for the 2019 Buick Enclave. Some values can vary by trim or wheel option. If your vehicle differs, confirm against your door-jamb tire placard, the owner’s manual, and by using the on-page calculator.

If you see different factory sizes on your vehicle, enter them in the calculator and verify with OEM documentation before buying wheels or tires.

How To Use The Wheel Interchange Calculator

The calculator on wheelinterchange.com lets you compare a donor wheel setup to your 2019 Buick Enclave and try custom wheel and tire sizes.

• Choose Wheels from donor vehicle. Pick the year, make, and model of the wheel you want to try. If unknown, start with Custom wheel size.
• Set Installed on to 2019 Buick Enclave. Confirm the OEM numbers match your door label or manual.
• Adjust Custom wheel size. Change rim diameter, width, and offset to what you want to test.
• Adjust Custom tire size. Set section width and aspect ratio as needed. When you change rim diameter, the calculator updates tire diameter in the comparison.
• Compare clearances visually and numerically in the tool, then verify on the vehicle. Look for inner clearance to suspension and brakes, and outer clearance to fenders and liners. Turn the steering from lock to lock and check through suspension travel when test-fitting.

If the OEM size on your Enclave differs from the values above, enter your actual size before comparing. When in doubt, prioritize brake and suspension clearance and verify speedometer change with a GPS reading after installation.

Fitment Checklist Before You Buy

• Bolt pattern: Wheel must be 6x120. Adapters change geometry and introduce risk; only use quality hub-centric adapters if absolutely necessary and sized correctly.
• Center bore: The Enclave hub is 74.5 mm. Aftermarket wheels can be larger and use hub-centric rings to 74.5 mm. Smaller than 74.5 mm will not fit.
• Offset and backspacing: OEM offset is ET 50 mm and backspacing 5.72 in. Keeping offset close to OEM helps avoid rubbing or bearing stress.
• Brake and suspension clearance: Physically check spoke and barrel clearance to calipers, knuckle, strut, and sway bar. Leave adequate margin for flex and heat.
• Tire diameter and width: Large changes can affect ABS, traction control, and speedometer. Keep overall diameter changes conservative and verify with the calculator.
• Load rating: Wheel and tire load ratings must meet or exceed the vehicle’s GAWR and GVWR requirements on the door label.
• Lug nuts and seat type: Thread is M14 x 1.5. Match the lug seat style to the wheel design. Do not mix conical, ball, or mag-seat types.
• Thread engagement: Ensure sufficient engagement for M14 studs. If using spacers or different wheels, verify you still achieve full, safe engagement.
• TPMS: Plan for sensor transfer or compatible replacements. Many vehicles require a relearn after wheel swaps.

Plus Sizing And Common Upgrades

Starting from the known 255/65R18 on 18x7.5 ET 50, owners often explore larger diameters for appearance and handling. Use these as starting points in the calculator and verify clearances on your Enclave before purchasing:

• Plus-one diameter: Try keeping similar overall tire diameter with a 19 inch tire of appropriate aspect ratio. Example starting point to test: 255 section width with a lower aspect ratio that brings overall diameter close to stock.
• Plus-two diameter: Likewise, a 20 inch option with a lower aspect ratio can maintain overall diameter near OEM. Test in the calculator before committing.
• Wider tires: If you plan to increase width, verify inner clearance to the strut and outer clearance to fender liners at full steering lock and over bumps.

Keep offset as close to the OEM ET 50 mm as practical to reduce the chance of rubbing and to minimize added load on wheel bearings and suspension.

Installation Tips

• Test fit first. Mount one front and one rear wheel without tires if possible to check caliper and hub clearance.
• Clean mounting surfaces. Remove rust and debris from the hub face and wheel mounting pad with a wire brush. The wheel must sit fully flush.
• Hub-centric rings. If your wheels have a larger center bore, install 74.5 mm rings that match the wheel’s bore to the hub for a vibration-free ride.
• Studs and nuts. Inspect studs and lug nuts for damage. Threads should be clean and dry. Do not lubricate threads unless specifically directed by the OEM.
• Torque in stages. Hand start all lugs, then tighten in a star pattern in 2 to 3 steps to the factory torque spec listed in your owner’s manual. Re-torque after 50 to 100 miles.
• TPMS. Move OEM sensors or install compatible sensors and perform the relearn procedure described in your manual.
• Final checks. With the vehicle on the ground, turn steering from lock to lock and drive slowly over bumps. Listen and inspect for any contact.

Tools And Helpful Supplies

• 1/2 inch drive torque wrench
• 1/2 inch breaker bar
• M14 x 1.5 lug nuts that match your wheel’s seat type
• 74.5 mm hub-centric rings sized to your wheel’s larger bore

Also useful: floor jack and stands, wire brush, torque stick set, accurate tire pressure gauge, anti-seize for the hub center only if needed, and a TPMS service kit compatible with your sensors.

FAQs

• What is the bolt pattern for the 2019 Buick Enclave?

  6x120.

• What is the center bore size?

  74.5 mm. Wheels with a larger bore can use hub-centric rings to 74.5 mm. Smaller bores will not fit the hub.

• What lug nut thread does it use?

  M14 x 1.5.

• What is the stock wheel and tire size?

  An OEM configuration is 18x7.5 ET 50 with 255/65R18 tires and about 5.72 in of backspacing. If your trim shows different values, use your door-jamb placard and the calculator to confirm.

• Can I install 19 or 20 inch wheels?

  Possibly, but it depends on wheel width, offset, and tire size. Use the calculator to match overall tire diameter closely to stock and physically verify brake and fender clearance on your Enclave before buying.

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

  If the wheel’s center bore is larger than 74.5 mm, use rings to match the hub. This reduces the chance of vibration and makes centering more reliable.

• What torque should I use on the lug nuts?

  Always torque to the value in your Buick owner’s manual for the 2019 Enclave. Tighten in a star pattern and re-torque after 50 to 100 miles.

• Will my TPMS work with new wheels?

  Yes, if you transfer your sensors or install compatible replacements. Many vehicles require a relearn procedure after a wheel or tire change, so follow your manual’s steps.

• Are spacers safe to use?

  Quality hub-centric spacers sized for 6x120 can be used, but they alter offset and require proper thread engagement or longer studs/bolts. Verify fender coverage and local regulations.

• What if the calculator shows a significant inner clearance change?

  Prioritize safety. Choose a wheel and tire setup that maintains adequate inner clearance to struts, springs, and brake components, then test fit and inspect at full steering lock.