2018 Audi S7 Wheel Interchange

OEM wheel and tire fitment specs for the 2018 Audi S7, including bolt pattern (PCD), center bore diameter, thread size, rim diameter, rim width, wheel offset, and backspacing.

Recorded OEM specifications for the 2018 Audi S7, donor years with overlapping ranges, and a calculator to compare a selected wheel. Range overlap is not a guaranteed fit.

Start a donor comparison

2018 Audi S7 Fitment Specs

Baseline mounting dimensions used for interchange decisions.

Bolt Pattern5x112, 5x127
Center Bore66.5 mm
Lug ThreadM14 x 1.5 View M14 x 1.5 options on Amazon
OEM Wheel Sizes19" – 21"
OEM Widths8" – 9"
OEM Offset Range26 mm – 37 mm

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

Center-bore records disagree: year-level hub 71.6 mm vs trim range 66.5–66.5 mm. Interchange below does not treat this as an unqualified match.

Thread-only product links are shopping examples, not verified fits. Seat style is not confirmed here. As an Amazon Associate we earn from qualifying purchases.

Donor vehicles with overlapping OEM specs

These are vehicle-year records whose recorded OEM ranges overlap this 2018 Audi S7. Overlap is not a guarantee that a specific wheel will install. Selected-wheel comparison is in the calculator below.

Evaluated 8 donor years. Listed 8 eligible overlaps (not all evaluated years are compatible). Showing all listed.

2013–2017, 2021–2022 Audi S7

Check wheel configurationCenter-bore records disagree

Years grouped because recorded compatibility evidence is equivalent. Each year keeps its own page.

  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2021
  • 2022
  • Bolt pattern5x112 · Same recorded PCD
  • Center bore66.5 mm · same recorded hub figure
  • Wheel geometryOEM width/offset ranges overlap (not a specific wheel)

Center-bore records disagree (target year-level hub 71.6 mm vs trim range 66.5–66.5 mm; donor year-level hub 66.6 mm vs trim range 66.5–66.5 mm). Unqualified overlap is not claimed until the conflict is resolved.

2023 Audi S7

Insufficient dataCenter-bore records disagree
  • Bolt pattern5x112 · Same recorded PCD
  • Center bore66.5 mm · same recorded hub figure
  • Wheel geometryNot fully recorded

Wheel width/offset data is incomplete.

Audi S7 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 2018 Audi S7. Use Compare in calculator on a donor row above to fill the donor side of this same calculator.

Compare

Compare wheel compatibility between two vehicles

Wheels from (donor vehicle)

Installed on (your vehicle)

Selected Car:

2018 Audi S7

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.
-
5x112
Center Bore
Center Bore
The hole in the center of the wheel that fits over the vehicle’s hub.
-
66.5 mm
Thread Size
Thread Size
The size and spacing of the threads on the bolts or nuts that hold the wheel in place.
-
M14 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.
-
32 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 2018 Audi S7

Example products matched to recorded thread, hub, or spacer dimensions. They are not verified fits. Confirm seat style, thickness, and clearance before ordering.

Lug Nuts / Wheel Bolts

M14 x 1.5

As an Amazon Associate we earn from qualifying purchases. Product availability and pricing may change.

2018 Audi S7 Wheel Fitment Guide

Goal

You want safe, clean wheel swaps on a 2018 Audi S7 without rubbing, vibration, or speedometer issues. The challenge is sorting real constraints from guesswork. This guide walks you from uncertainty to a validated setup using the on-page calculator and OEM checks.

Prerequisites

Collect baseline data from your car and confirm it in the calculator. Use OEM sources for validation when values differ.

Known OEM fitment for 2018 Audi S7

Bolt pattern5x127
Center bore71.6 mm
Thread sizeM14 x 1.5
Rim size19 x 8.5 in
Offset (ET)32 mm
Backspacing5.51 in
Tire size255/40R19

Assumption: Some trims or packages can vary. If your door-jamb label, owner’s manual, or current wheel stampings show different values, rely on those sources and use the calculator to compare.

Tools that make the job safer

Step by step

1) Establish your baseline

  • Inspect your current wheels for size, offset, and part numbers stamped inside the spokes or barrel.
  • Confirm tire size on the sidewall. Note load and speed ratings.
  • Open the calculator. Set “Installed on (your vehicle)” to 2018 Audi S7 and confirm the baseline values listed above.

2) Enter a donor wheel or custom size

  • If you have a candidate wheel, enter its size, offset, and center bore under “Wheels from (donor vehicle).”
  • Or use “Custom wheel size” to test different rim diameter, width, and offset.
  • Use “Custom tire size” to keep overall diameter reasonable. The calculator updates tire diameter when rim diameter changes.

3) Check clearance and poke

  • Review inner clearance to suspension and brakes. Positive offset increases inner reach, negative offset moves the wheel outward.
  • Review outer poke relative to the fender. Aim to avoid contact during steering and compression.
  • Watch brake caliper-to-spoke clearance. Spoke design matters as much as numbers. A template or test-fit is recommended.

4) Validate hub and hardware

  • Bolt pattern must match your hub exactly. If it does not, the wheel is not compatible.
  • Wheel center bore must be equal to or larger than the hub. Use hub-centric rings to reduce any larger wheel bore to 71.6 mm if that matches your hub.
  • Thread size is M14 x 1.5. Use hardware that matches the wheel’s seat style. Ball-seat and cone-seat are not interchangeable.

5) Tire fit and diameter

  • Use the calculator to keep overall diameter close to stock. Large changes affect ABS, ride height, and gearing.
  • Check section width versus fender liners and liners near full lock. Square shoulders rub sooner than rounded profiles.

6) Spacer assessment

  • Only add spacers to solve a real clearance issue. Recalculate effective offset in the calculator.
  • Use hub-centric spacers with extended M14 x 1.5 hardware as required by thickness.

Validation

  • Cross-check against your owner’s manual or an OEM parts database by VIN. Match bolt pattern, center bore, and hardware type.
  • Test-fit a single corner. Hand-tighten bolts, spin the wheel, and turn lock-to-lock. Look for contact points.
  • Lower the car and compress the suspension over a ramp or speed bump at low speed. Listen and inspect.
  • Measure thread engagement. A practical rule is engagement at least equal to the bolt diameter. For M14, target about 14 mm of full thread.
  • Torque to the OEM spec from your manual with a calibrated wrench. Re-torque after 50–100 miles.

Troubleshooting

Vibration at highway speed

  • Confirm the wheel is hub-centric to the car. Install correct rings if the wheel bore is larger than the hub.
  • Road-force balance the assembly. Rotate tires if needed.
  • Inspect lug seat mismatch. Ball-seat wheels need ball-seat bolts.

Rubbing on turns or bumps

  • Use the calculator to reduce outer poke or overall tire width.
  • Check liner clips and fender lips. Minor interference often shows shiny scuffs.
  • Avoid spacer use unless inner clearance is the only constraint.

Caliper contact

  • Evaluate spoke-to-caliper geometry, not just diameter. A small spacer can help, but recalc offset and thread engagement.

TPMS and centers

  • Transfer compatible TPMS sensors or program new ones to your car. Follow the service procedure in the manual.
  • Center caps may not swap between brands. Plan for brand-specific caps.

Spec discrepancies

  • If your OEM sources disagree with any value listed above, treat OEM as primary. Update the calculator with your confirmed numbers and re-validate clearances.
  • Backspacing can vary by how width is measured. Use the calculator and a straightedge measurement on your wheel for confirmation.

Wrap up

Wheel changes on a 2018 Audi S7 are straightforward when you control the variables. Start with verified OEM data, model the change in the calculator, and confirm hub, bolt pattern, and hardware. Finish with a careful test-fit and a torque check. This stepwise validation turns uncertainty into a confident, safe installation.

Methodology and sources

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

  • 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.

Nick Marchenko

Automotive Expert