2021 Subaru WRX S4 Custom Tires & Wheels Fitment Guide
Browse compatible tires for the 2021 Subaru WRX S4 matched to 18-20" wheel diameters and 7.5-9" widths.
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ADVAN NEOVA AD08R
2021 Subaru WRX S4 Wheel Fitment Specs: 18"–20" Rim Sizes, 7.5"–9" Widths & 5x114.3 PCD
Every aftermarket wheel shown above is pre-filtered for the 2021 Subaru WRX S4 (VA Facelift, VB). By matching your 2021 Subaru WRX S4 lug pattern (5x114.3), compatible rim diameters (18, 19, and 20 inch), and 7.5", 8.5", 9" widths against inventory from ADVANTI RACING, Fuel 1PC, Lexani, Savini, TSW, ESR Wheels, you can choose custom rims with confidence or build a complete 2021 Subaru WRX S4 wheel and tire package.
| Specification | Verified Fitment Details |
|---|---|
| Vehicle & Year | 2021 Subaru WRX S4 (VA Facelift, VB) |
| Trims Covered | 2.0T, 2.4T |
| Bolt Pattern (PCD) | 5x114.3 |
| Supported Diameters | 18", 19", 20" |
| Supported Widths | 7.5", 8.5", 9" |
| Center Bore | 56.1 mm |
| Offset (ET) Range | ET48–ET55 |
| Verified Tire Sizes | 225/45ZR18 94W, 245/40ZR18 97W, 245/35ZR19 89W, 255/30ZR20 92Y |
| Compatible Brands | ADVANTI RACING, Fuel 1PC, Lexani, Savini, TSW, ESR Wheels |
2021 Subaru WRX S4 Rim Sizes & Wheel Construction Guide
Popular wheel fitments include 18 inch wheels for 2021 Subaru WRX S4, 19 inch wheels for 2021 Subaru WRX S4, 20 inch wheels for 2021 Subaru WRX S4 matched to 7.5"–9" widths and 5x114.3 bolt patterns. You can safely run cast alloy, flow-formed, or forged custom wheels from brands such as ADVANTI RACING, Fuel 1PC, Lexani, Savini, TSW, ESR Wheels whenever bolt pattern, center bore, offset, and load rating align. When stepping up in diameter on AWD drivetrains, keep overall tire rolling diameter matched front-to-rear.
2021 Subaru WRX S4 Wheel & Fitment FAQs
What is the exact wheel bolt pattern, hub bore, and lug specification for the 2021 Subaru WRX S4?
The 2021 Subaru WRX S4 is engineered with a 5x114.3 bolt pattern and a 56.1 mm center bore and accommodates wheel diameters of 18"–20" with rim widths of 7.5"–9". Installing hub-centric wheels guarantees zero highway vibrations.
Do different 2021 Subaru WRX S4 trims share the same wheel size and brake clearance?
Across 2021 Subaru WRX S4 trims (2.0T, 2.4T), compatible wheels span 18"–20" in diameter and 7.5"–9" wide with offsets around ET48–ET55 (5x114.3 bolt pattern). Higher trims equipped with upgraded sport brakes require larger wheel diameters to clear the calipers.
What precautions are needed when changing wheel sizes on an AWD 2021 Subaru WRX S4?
On the AWD 2021 Subaru WRX S4, all four tires must maintain matching overall rolling diameters within 1% across 18"–20" wheel sizes (5x114.3 PCD) to prevent strain on the center differential.
What factory and plus-sized tire sizes fit the 2021 Subaru WRX S4?
Recorded compatible tire sizes for the 2021 Subaru WRX S4 include 225/45ZR18 94W, 245/40ZR18 97W, 245/35ZR19 89W, 255/30ZR20 92Y on 18"–20" wheels. When building a package, our fitment engine confirms exact tire aspect ratios for your selected rim width.