2015 Audi SQ5 Wheel Interchange

2015 Audi SQ5 Wheel Interchange, Specs, and Fitment Guide

Known OEM Fitment For 2015 Audi SQ5

The following values are confirmed for at least one 2015 Audi SQ5 configuration. Other trims or regional packages may differ. Always verify against your VIN, the driver door jamb label, and Audi service literature before purchasing wheels or tires.

Approximate OEM tire diameter based on 255/45R20: about 29.0 in or 737.5 mm. Use the calculator on this page to confirm rolling diameter and clearances for any change you consider.

How To Use The Wheel Interchange Calculator

• Open the calculator on this page. In Wheels from set your donor wheel and tire or a known package you want to compare. In Installed on select 2015 Audi SQ5.
• Use Custom wheel size to change rim diameter, width, and offset. Use Custom tire size to change section width and aspect ratio.
• When you change rim diameter, the tool updates tire diameter in the comparison so you can track total height and speedometer impact.
• Review inner clearance vs strut and brake, and outer poke vs fender. The calculator shows how far the new setup moves inward or outward relative to the OEM baseline above.
• Aim to keep total tire diameter close to stock to protect ABS, stability control, gearing, and speedometer. Many installers try to stay within about 3 percent, but follow manufacturer guidance and your local regulations.
• Check brake caliper clearance. Visualize spoke and barrel room with the calculator and physically test-fit when possible.
• If center bore on the new wheel is larger than 66.6 mm, plan on hub-centric rings to keep the wheel centered. If it is smaller than 66.6 mm, the wheel will not seat.
• Save your comparison and measurements before ordering. If any value is unclear for your trim, verify with the VIN-specific parts catalog or an Audi dealer.

Fitment Checklist Before You Buy

• Bolt pattern: Must be 5x112.
• Center bore: Wheel must be 66.6 mm or larger with proper hub-centric rings to 66.6 mm. Smaller bores will not fit.
• Thread size and hardware: M14 x 1.5. Hardware seat style and length vary by wheel manufacturer. Match the seat type and shank length to the wheel maker’s instructions. Do not assume OEM hardware fits every aftermarket wheel.
• Offset and backspacing: Compare to the OEM baseline 8.5Jx20 ET33 and 5.55 in backspacing. Use the calculator to ensure inner clearance to strut and brake and to control outer poke under the fender.
• Brake clearance: The SQ5 uses larger performance brakes. Confirm spoke-to-caliper and barrel clearance. Template checks and test fits are recommended.
• Tire diameter and load rating: Keep total diameter close to stock and ensure tire and wheel load ratings meet or exceed the vehicle’s GAWR specifications.
• TPMS: Follow the owner’s manual for TPMS type and reset or relearn procedure for your market and trim.
• Speedometer variance: Review the calculator’s delta and confirm it is acceptable for your use and local laws.
• Return policy: If buying online, confirm you can return or exchange if the test fit is not acceptable.

Plus Sizing And Common Upgrades

Plus sizing increases wheel diameter or width to change appearance and handling. On the 2015 Audi SQ5, success depends on brake clearance, offset, and tire diameter. Use the calculator to model these common scenarios:

• Wider same-diameter setup: Keep 20 in diameter but adjust width and offset. Check inner clearance and fender poke.
• +1 diameter: Move to a larger rim size. Choose a tire with a lower aspect ratio that keeps overall diameter near stock.
• -1 diameter or winter setup: Smaller diameter wheels may improve ride and winter tire availability, but must clear the front brakes. Always verify caliper and barrel clearance.

Tire diameter formula used by the calculator: total diameter = wheel diameter in mm plus 2 times section width times aspect ratio. Use this to sanity check your choices, then rely on the calculator for exact differences against OEM.

Installation Tips

• Clean the hub face and the wheel mounting pad to bare metal. Remove rust and debris to prevent runout.
• Dry-fit one front and one rear before mounting tires when possible. Verify caliper and suspension clearance throughout steering lock and suspension travel.
• If your vehicle uses lug bolts rather than studs and nuts, use a wheel hanger guide pin to support the wheel during installation.
• Use only hardware that matches the wheel’s seat type and required length. Do not mix cone seat and ball seat hardware.
• Tighten in a star pattern by hand first, then torque to the factory specification from the owner’s manual. Re-torque after 50 to 100 miles.
• Do not lubricate fastener threads unless the manufacturer explicitly instructs it. A thin film of anti-seize on the hub pilot can help future removal, but keep it off the brake rotor and friction surfaces.
• Set tire pressures to the label in the driver door jamb unless your tire professional specifies otherwise for the new size and load rating.

Tools And Helpful Supplies

• 1/2 inch drive torque wrench: Shop options
• Wheel hanger guide pin M14 x 1.5: Shop options
• Hub-centric rings 66.6 mm ID to match your wheel OD: Shop options
• Tire pressure gauge or inflator: Shop options

FAQs

• What is the bolt pattern for the 2015 Audi SQ5

  5x112. The wheel must have 5 lug holes on a 112 mm circle.

• What center bore do I need

  66.6 mm. Wheels with a larger bore can be used with 66.6 mm hub-centric rings. Wheels with a smaller bore will not fit.

• Can I reuse my factory wheel bolts with aftermarket wheels

  Only if the seat type, length, and thread match the wheel maker’s requirements. Many aftermarket wheels require different seat geometry. Confirm with the wheel manufacturer and your installer.

• What offset should I choose

  The known OEM reference is ET33 on an 8.5 in wide 20 in wheel. Use the calculator to model inner clearance to the strut and brakes and outer poke relative to the fender for your chosen width. Do not assume a single offset works for every width.

• Will a different diameter tire affect my speedometer

  Yes. Changing overall tire diameter changes indicated speed and can affect ABS and stability systems. Use the calculator to compare total diameter to stock and keep variance minimal as allowed by your local regulations and Audi guidance.

• Do I need spacers

  Only if they are required to clear brakes or suspension after verifying with the calculator and a test-fit. Spacers must be high quality, hub-centric to 66.6 mm, and used with the correct extended hardware. Improper spacers can cause vibration and fastener failure.

• What is the correct torque for the wheel fasteners

  Torque values can vary by model and market. Do not guess. Use the torque specification in your owner’s manual or Audi service documentation for your VIN.

• Will smaller diameter winter wheels fit over the SQ5 brakes

  It depends on your brake package. The calculator can help model barrel and spoke clearance, but you must also confirm physically with a test-fit or a brake template from the wheel manufacturer.