2007 Audi S4 Wheel Interchange

2007 Audi S4 Wheel Compatibility Guide | wheelinterchange.com

Known OEM Fitment For 2007 Audi S4

The following factory specifications are the baseline for comparing wheels and tires. If your trim has different equipment, verify against the owner manual, the driver door jamb label, or the on-page calculator before purchasing.

If any value differs on your car, use the VIN-specific information from Audi or the door label to confirm the correct baseline and update the calculator.

How To Use The Wheel Interchange Calculator

• Set Installed on your vehicle to 2007 Audi S4, then confirm the OEM values above are prefilled. If not, enter them manually.
• Compare a potential donor wheel by choosing Wheels from donor vehicle or by entering a Custom wheel size and Custom tire size.
• Adjust rim diameter, width, and offset in Custom wheel size. The tool will show inner clearance change to the strut and outer poke relative to the fender.
• Enter Custom tire size. When you change rim diameter, the calculator also updates tire diameter in the comparison so you can keep overall diameter close to stock.
• Review the results:
  • Inner clearance: positive means more room to suspension, negative means it moves inward and may contact.
  • Outer position: shows how far the wheel moves toward the fender edge.
  • Overall tire diameter difference: keep this close to stock to protect ABS and speedometer accuracy. Many aim for within about 2 percent, but always check OEM guidance.
• Use the results to decide if you need a different offset, a narrower or wider tire, or to avoid a setup entirely.

Fitment Checklist Before You Buy

• Bolt pattern must be 5x112. Adapters change track width and hardware requirements, so avoid them unless you fully understand the implications.
• Center bore: the Audi hub is 66.6 mm. Aftermarket wheels with a larger bore require 66.6 mm hub-centric rings. Wheels with a smaller bore will not fit.
• Thread size: M14 x 1.5. Verify lug bolt seat type and length with the wheel manufacturer and your current hardware. Do not mix ball seat and cone seat bolts.
• Offset and width: use the calculator to verify inner clearance to the strut and outer poke relative to the fender. Inspect your car for brake caliper size and dust shield proximity.
• Tire diameter: keep overall diameter close to the OEM 235/40R18 to minimize speedometer and gearing impact. If your car is AWD, match rolling diameters side to side and front to rear.
• Brake clearance: test fit for spoke-to-caliper clearance. Paper or clay gauges help confirm at least a few millimeters of room with the wheel torqued.
• Suspension and alignment: lowered cars reduce fender and liner clearance. Recheck any proposed fitment if ride height is not stock.
• Load and speed ratings: choose tires that meet or exceed the OEM load index and speed rating listed on the door label.

Plus Sizing And Common Upgrades

Use the calculator to evaluate any change from the 18 x 8 ET45, 235/40R18 baseline. The steps below help you plan upgrades without guessing.

• Wider tires: increase section width in small steps and check inner clearance and fender poke in the calculator. You may need to adjust offset to maintain inner clearance.
• Larger diameter wheels: increase rim diameter, then choose a lower tire aspect ratio so overall tire diameter stays close to stock. The calculator shows the difference in overall diameter.
• Track stance changes: small offset reductions push the wheel outward. Watch for fender and liner contact on compression and steering lock.
• Winter sets: narrower tires can improve snow traction. Keep overall diameter close to stock and ensure brake clearance with any smaller-diameter wheels.
• Spacers: only if needed for caliper clearance. Use hub-centric spacers sized for a 66.6 mm hub and longer matching-seat M14 x 1.5 bolts as required. Recalculate effective offset in the tool.

Since exact safe limits vary by tire brand, tread shape, alignment, and suspension condition, always confirm with the calculator, a physical test fit, and OEM references before buying.

Installation Tips

• Work on a level surface. Chock wheels and support the car with properly rated jack stands before removing wheels.
• Clean the 66.6 mm hub face and ring area. Lightly brush off rust and use a tiny smear of anti-seize on the hub center to prevent sticking. Do not get lubricant on bolt seats or threads.
• If using hub-centric rings, seat them fully on the wheel before lifting the wheel onto the hub.
• Hand start all M14 x 1.5 bolts. Use a wheel hanger guide pin to center the wheel and protect threads.
• Tighten bolts in a star pattern in two to three stages. Final torque must follow the Audi specification for your vehicle. Refer to the owner manual or service data.
• After 50 to 100 miles, recheck torque and inspect for rubbing on fenders, liners, control arms, or sway bar links at full steering lock.
• Verify tire pressures to the door label and recalibrate TPMS if applicable.

Tools And Helpful Supplies

• 1/2 inch torque wrench
• Wheel hanger guide pin M14 x 1.5
• 3 ton jack stands
• 66.6 mm hub-centric rings

FAQs

• What is the bolt pattern on the 2007 Audi S4?

  5x112. Any wheel must match 5 lug holes on a 112 mm circle.

• Do I need hub-centric rings?

  Only if the aftermarket wheel center bore is larger than 66.6 mm. Choose rings that reduce the wheel bore to 66.6 mm. Wheels with a smaller bore will not fit.

• What lug hardware does it use?

  M14 x 1.5 lug bolts. Seat type and bolt length can vary by wheel design. Confirm with the wheel manufacturer and match the seat to the wheel. Do not mix seat styles.

• What tire sizes can I run?

  The OEM size is 235/40R18. Other sizes are possible, but acceptable limits vary by wheel width, offset, suspension, and tire model. Use the calculator to keep overall diameter close to stock and to verify clearance.

• Will larger diameter wheels affect my speedometer?

  Yes if overall tire diameter changes. Use the calculator to compare the new tire diameter to OEM and select a size that stays close to stock.

• Can I use spacers?

  Only if needed for brake or spoke clearance and only hub-centric spacers sized for a 66.6 mm hub. Spacers reduce effective offset and usually require longer M14 x 1.5 bolts. Recalculate in the tool and test fit.

• What is the correct torque for the lug bolts?

  Torque varies by model and wheel type. Refer to the owner manual or factory service information for the exact specification, then torque in a star pattern.

• Is a staggered setup OK?

  Staggered widths can work if overall tire diameters remain very close side to side and front to rear. If your vehicle is AWD, mismatched rolling diameters can stress the drivetrain, so verify with the calculator and OEM guidance.

• How do I check for rubbing before driving?

  With the car on the ground, turn lock to lock and inspect clearance to liners and arms. Drive slowly over a speed bump and recheck. Any contact means the setup is not safe.