2016 Buick Regal Wheel Interchange

2016 Buick Regal Wheel Fitment Guide

Known OEM Fitment For 2016 Buick Regal

Factory wheel and tire specifications can vary by trim and package. Always verify what your specific vehicle left the factory with by checking the door jamb tire placard, your owner manual, the wheel size cast or stamped on the back of a factory wheel, or OEM service information by VIN. The data points below are recorded for the 2016 Buick Regal, but your car may differ.

Note: The wheel size and tire size examples above reflect different factory packages. Your Regal may have 18 in or 19 in OEM wheels. Match your exact sizes to your door placard and wheel markings, then use the calculator below to compare any changes.

How To Use The Wheel Interchange Calculator

• Open the calculator on wheelinterchange.com for the 2016 Buick Regal.
• In Wheels from (donor vehicle): enter the wheel and tire specs you want to try. You can also use Custom wheel size and Custom tire size to set a specific rim diameter, width, offset, section width, and aspect ratio.
• In Installed on (your vehicle): set your current confirmed OEM or current setup. If you are unsure, use the Known OEM Fitment table as a starting point and verify against your door placard and wheel stamps.
• Review inner clearance to suspension and brakes, outer poke relative to the fender, and overall tire diameter difference. The calculator updates tire diameter automatically when you change rim diameter and tire size so you can target a small diameter change.
• Aim to keep overall tire diameter within roughly 1 to 2 percent of your stock size for speedometer and ABS stability. Keep offset and backspacing close to stock to protect wheel bearing load and fender clearance.
• Print or screenshot the results and measurements before ordering parts.

Fitment Checklist Before You Buy

• Bolt pattern: Must be 5x120. Do not force-fit 5x114.3 or other patterns.
• Center bore: Vehicle hub is 66.9 mm. Aftermarket wheels must be 66.9 mm or larger and then hub-centered to 66.9 mm with rings. Avoid running lug-centric only on this platform.
• Thread and seat: Thread is M14 x 1.5. Verify the lug seat style that your wheels require (commonly 60-degree conical on many aftermarket wheels, but confirm).
• Offset and backspacing: Start from the recorded OEM ET 45 mm and 6.02 in backspacing for a 19 x 8.5 wheel. Use the calculator to understand inner clearance to strut and brake components and outer poke to the fender. Small changes have big effects.
• Brake clearance: Check both radial clearance around the caliper and spoke clearance. Many wheels clear diameter but contact the caliper face.
• Tire diameter: Keep overall diameter close to stock. The calculator shows the percent difference.
• Load index and speed rating: Tire load index and speed rating must be equal to or greater than the door placard.
• TPMS: 2016 Buick Regal uses TPMS sensors. Match frequency and protocol by VIN or reuse/program existing sensors. Do not assume compatibility.
• Spacers: If spacers are required for spoke or strut clearance, use hubcentric spacers with proper hub lip engagement and ensure adequate thread engagement with longer hardware if needed.
• Test fit: Always test fit a front and rear corner before mounting tires, checking lock-to-lock steering and full suspension compression clearance.

Plus Sizing And Common Upgrades

The 2016 Regal was available with different factory packages, including 18 in tires and 19 in wheels on some trims. If you are moving from an 18 in tire package to a 19 in wheel, use the calculator to:

• Select a 19 in rim and keep width and offset near stock to preserve clearance.
• Adjust the tire section width and aspect ratio until the overall diameter matches your current setup within about 1 to 2 percent.
• Verify inner and outer clearance changes against suspension and fenders. Wider wheels often need a slightly different offset to maintain inner clearance.

If you are unsure of your starting point, confirm your current sizes on the door placard and wheel stamps, then enter those values into the calculator as the Installed on baseline. Avoid oversized diameters or aggressive offsets without measuring, as they can cause rub, wheel bearing stress, and ABS calibration issues.

Installation Tips

• Preparation: Park on level ground, chock wheels, and support the car with jack stands at approved points. Do not rely on a floor jack alone.
• Hub cleaning: Wire-brush the hub face and the 66.9 mm hub pilot. Lightly coat the hub face with a very thin film of anti-seize or corrosion inhibitor if recommended by your shop, but keep studs and lug nut seats clean and dry.
• Hub rings: If the wheel bore is larger than 66.9 mm, install quality hub-centric rings before mounting the wheel.
• Hardware: Use M14 x 1.5 lug nuts that match your wheel seat style. Hand start all lugs.
• Tightening: Snug in a star pattern, lower the vehicle, then torque to the value in your owner manual using a calibrated torque wrench. Re-torque after 50 to 100 miles.
• TPMS: Transfer, replace, or program sensors as needed and perform the relearn procedure specified by GM service information for your VIN.
• Final checks: Turn the steering lock-to-lock and drive slowly over bumps to listen for interference before normal driving.

Tools And Helpful Supplies

• 1/2 inch drive torque wrench
• M14 x 1.5 lug nuts
• 66.9 mm hub-centric rings
• TPMS service kit

FAQs

• Is 5x120 the correct bolt pattern for a 2016 Buick Regal?

  Yes. The recorded pattern is 5x120. Always confirm against your VIN and door placard to account for trim differences.

• Can I run 5x114.3 wheels on this car with wobble bolts or ovaled holes?

  No. Mismatched bolt patterns are unsafe. Use only 5x120 wheels that seat properly on the 66.9 mm hub.

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

  If the wheel bore is larger than 66.9 mm, use rings that adapt the wheel to 66.9 mm. This helps reduce vibration and centers the wheel correctly.

• What offset should I use?

  Start from the recorded OEM ET 45 mm for a 19 x 8.5 wheel. Use the calculator to model changes in inner clearance and outer poke for your chosen width and diameter, and stay close to OEM geometry.

• Are 19 in wheels factory equipment on the 2016 Regal?

  Some trims were equipped with 19 in wheels, while others used 18 in tires. Check your door placard and wheel markings to confirm your specific configuration.

• What lug nut type does the Regal use?

  Thread is M14 x 1.5. The seat style depends on the wheel design. Verify whether your wheel needs conical, ball, or mag seat hardware before purchasing.

• What is the OEM backspacing?

  6.02 in is recorded for a 19 x 8.5 ET45 wheel. If you change width or offset, use the calculator to see the new backspacing and confirm inner clearance.

• What torque should I use on the lug nuts?

  Refer to the torque specification in your owner manual or OEM service information for your exact VIN and hardware. Do not guess. Use a calibrated torque wrench and re-torque after initial driving.