OEM wheel and tire fitment specs for the 2018 Audi TT RS, including bolt pattern (PCD), center bore diameter, thread size, rim diameter, rim width, wheel offset, and backspacing.
Recorded OEM specifications for the 2018 Audi TT RS, donor years with overlapping ranges, and a calculator to compare a selected wheel. Range overlap is not a guaranteed fit.
Multiple OEM configurations exist for this vehicle. Fitment can vary by trim, brakes, and factory wheel package – confirm your exact setup before buying.
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 TT RS. Overlap is not a guarantee that a specific wheel will install. Selected-wheel comparison is in the calculator below.
Evaluated 133 donor years. Listed 24 eligible overlaps (not all evaluated years are compatible). Showing all listed.
Wheel geometryOEM width/offset ranges overlap (not a specific wheel)
Approximate position vs the mid OEM package: outer change 6.35 mm, inner change 6.35 mm. This uses aggregated width/offset ranges, not a specific wheel.
Wheel geometryOEM width/offset ranges overlap (not a specific wheel)
Recorded OEM bolt pattern, center bore, and width/offset ranges overlap. This is not a guarantee that every wheel from the donor year fits this vehicle.
Wheel geometryOEM width/offset ranges overlap (not a specific wheel)
Recorded OEM bolt pattern, center bore, and width/offset ranges overlap. This is not a guarantee that every wheel from the donor year fits this vehicle.
Audi TT RS Years With Compatible Wheels
Only years with evidence-based interchange relationships are listed. Adjacent years are not assumed compatible.
Compare a donor vehicle or custom wheel against this 2018 Audi TT RS. 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)
Selected Car:
Custom wheel size (optional)
Tip: change values here to simulate custom wheels and immediately see the impact in the comparison below.
Custom tire size (optional)
Installed on (your vehicle)
Selected Car:
2018 Audi TT RS
Compare Rims
Specification
Wheels from
Installed on
Result (Click it)
Bolt Pattern
The total number of bolt holes and the diameter of the circle they form.
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5x112
Center Bore
The hole in the center of the wheel that fits over the vehicle’s hub.
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57.1 mm
Thread Size
The size and spacing of the threads on the bolts or nuts that hold the wheel in place.
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M14 x 1.5
Rim Diameter
The wheel diameter in inches that determines which tire sizes will fit.
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19"
Rim Width
The distance between the inner edges of the wheel is measured in inches.
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9.0"
Wheel Offset
How far the wheel sits inward or outward relative to the hub mounting surface.
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52 mm
Backspacing
Shows how much space the wheel takes up toward the inside of the vehicle.
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-
Wheel Fasteners
The type of hardware used to secure the wheel to the vehicle.
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-
Compare Tires
Specification
Wheels from
Installed on
Result (Click it)
Section Width
The width of the tire from sidewall to sidewall, measured in millimeters.
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-
Aspect Ratio
The height of the tire’s sidewall expressed as a percentage of its width.
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Diameter
The wheel diameter for which the tire is designed to fit.
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Tire Pressure
The recommended air pressure for safe and efficient driving.
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Overall Diameter
The total height of the tire and wheel combined affects clearance and speedometer accuracy.
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-
Wheel Fitment Parts for the 2018 Audi TT RS
Example products matched to recorded thread, hub, or spacer dimensions. They are not verified fits. Confirm seat style, thickness, and clearance before ordering.
As an Amazon Associate we earn from qualifying purchases. Product availability and pricing may change.
2018 Audi TT RS Wheel Fitment Guide
This page lists the known OEM wheel and tire specs for the 2018 Audi TT RS and explains how to use the on-page calculator to evaluate alternate wheel and tire setups. Values that are not provided here can vary by trim and market. Always confirm critical specs with the Audi owner’s manual, service information, or your dealer. Use the calculator on this page to compare dimensions before you buy.
Known OEM Fitment For 2018 Audi TT RS
Parameter
Value
Notes
Bolt pattern
5x112
5 studs on a 112 mm circle
Center bore
57.1 mm
Hub-centric size on the car
Thread size
M14 x 1.5
Verify seat type and bolt length for your wheels
OEM rim diameter
19 in
Factory wheel diameter
OEM rim width
9.0 in
Factory wheel width
OEM offset (ET)
52 mm
Factory wheel offset
Backspacing
6.55 in
Calculated from width and offset
OEM tire size
245/35R19
Factory fitment
If any of your vehicle’s original specs differ, confirm them with OEM sources and use the calculator for precise comparisons.
How To Use The Wheel And Tire Comparison Calculator
Select Installed on as 2018 Audi TT RS.
Choose Wheels from to match a donor vehicle or set Custom wheel size if you already have a target size in mind.
Adjust rim diameter, width, and offset. The tool will show inner clearance change, outer poke change, and backspacing differences relative to stock.
Set Custom tire size. When you change rim diameter, the calculator updates overall tire diameter in the comparison so you can track ride height and speedometer impact.
Brake caliper clearance is not guaranteed by dimensional math alone. Always confirm with a physical test fit or a brake template from the wheel manufacturer, especially on the TT RS due to large front brakes.
Fitment Tips Specific To The 2018 Audi TT RS
Hub bore and centering. The car’s hub is 57.1 mm. Wheels with a larger center bore can be used with 57.1 hub-centric rings. Wheels with a smaller bore will not fit. Use high quality rings and verify the ring lip fully seats in both the wheel and hub.
Bolt pattern and hardware. The car is 5x112 with M14 x 1.5 bolt threads. Audi typically uses wheel bolts rather than nuts. Confirm the correct seat type for your wheels, ball seat vs cone seat, and ensure proper bolt length, especially if spacers are used. Do not mix seat types.
Offset changes. Reducing offset moves the wheel outward and increases fender poke while reducing inner clearance to the fender liner edge is unchanged but inner clearance to the suspension may increase or decrease depending on width. Increasing offset moves the wheel inward and can contact struts or control arms. Use the calculator to visualize inner and outer changes before purchase.
Width changes. Wider wheels add poke on both sides if the offset is unchanged. The calculator will show how much further inboard and outboard the wheel extends compared to the OEM 19x9 ET52 baseline.
Tire sizing. Keep overall diameter close to the factory 245/35R19 to maintain speedometer accuracy, gearing, and ABS behavior. The calculator highlights diameter and sidewall changes. Always maintain at least OEM load index and speed rating or higher.
Spacers and adapters. If spacers are required for clearance, use hub-centric 5x112 spacers with a 57.1 mm center bore. You must use appropriately longer wheel bolts to maintain safe thread engagement. Torque in stages and recheck after a short drive. Adapters that change bolt pattern should be avoided unless engineered for the application and installed by a professional.
TPMS. Sensor type can vary by market. Check your owner’s manual to confirm whether your car uses direct in-wheel sensors or an indirect system that uses ABS data. If direct sensors are required, ensure the new wheels and valve stems are compatible.
Safety Checks Before You Drive
Hand spin each wheel after mounting to verify no contact with calipers, knuckles, or liners at full droop.
Lower the car and check clearance at full steering lock both directions.
Torque wheel bolts to the value in your Audi manual using a calibrated torque wrench. Re-torque after 50 to 100 miles.
Verify that the wheel seats fully on the hub and that hub-centric rings, if used, are not deformed or loose.
Confirm that center caps do not interfere with axle ends or dust caps.
Vibration at speed often points to hub-centric issues or imbalanced assemblies. Confirm that the wheel is truly hub-centric to 57.1 mm and that rings are round and seated. If vibration starts only under braking, inspect rotor runout and wheel seating surfaces for debris or paint.
Brake clearance. The TT RS has large multi-piston front calipers. Even when diameter, width, and offset look acceptable in the calculator, spoke design can still contact the caliper. Obtain a printable caliper template from the wheel manufacturer or test fit before mounting tires.
If you are uncertain about any dimension not listed above, consult Audi parts catalogs, a dealer, or the factory service manual. The calculator on wheelinterchange.com helps you compare what you have to what you are considering, but it does not replace physical verification.
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
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.