Shop Exact-Fit 2018 Subaru WRX STI Wheels & Custom Rims
Showing compatible wheels for the 2018 Subaru WRX STI (2.5T) matching 5x114.3 bolt pattern, 19, and 20 inch diameters, and 8.5"–9" widths from ADVANTI RACING, Fuel 1PC, Lexani, Savini. Filter by rim size, width, or finish and build a complete wheel & tire package.
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2018 Subaru WRX STI Wheel Fitment Specs: 19"–20" Rim Sizes, 8.5"–9" Widths & 5x114.3 PCD
Every aftermarket wheel shown above is pre-filtered for the 2018 Subaru WRX STI (VA Facelift). By matching your 2018 Subaru WRX STI lug pattern (5x114.3), compatible rim diameters (19, and 20 inch), and 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 2018 Subaru WRX STI wheel and tire package.
| Specification | Verified Fitment Details |
|---|---|
| Vehicle & Year | 2018 Subaru WRX STI (VA Facelift) |
| Trims Covered | 2.5T |
| Bolt Pattern (PCD) | 5x114.3 |
| Supported Diameters | 19", 20" |
| Supported Widths | 8.5", 9" |
| Center Bore | 56.1 mm |
| Offset (ET) Range | ET48–ET55 |
| Verified Tire Sizes | 245/35ZR19 89W, 255/30ZR20 92Y |
| Compatible Brands | ADVANTI RACING, Fuel 1PC, Lexani, Savini, TSW, ESR Wheels |
2018 Subaru WRX STI Rim Sizes & Wheel Construction Guide
Popular wheel fitments include 19 inch wheels for 2018 Subaru WRX STI, 20 inch wheels for 2018 Subaru WRX STI matched to 8.5"–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.
2018 Subaru WRX STI Wheel & Fitment FAQs
What is the exact wheel bolt pattern, hub bore, and lug specification for the 2018 Subaru WRX STI?
The 2018 Subaru WRX STI is engineered with a 5x114.3 bolt pattern and a 56.1 mm center bore and accommodates wheel diameters of 19"–20" with rim widths of 8.5"–9". Installing hub-centric wheels guarantees zero highway vibrations.
Do different 2018 Subaru WRX STI trims share the same wheel size and brake clearance?
Across 2018 Subaru WRX STI trims (2.5T), compatible wheels span 19"–20" in diameter and 8.5"–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 2018 Subaru WRX STI?
On the AWD 2018 Subaru WRX STI, all four tires must maintain matching overall rolling diameters within 1% across 19"–20" wheel sizes (5x114.3 PCD) to prevent strain on the center differential.
What factory and plus-sized tire sizes fit the 2018 Subaru WRX STI?
Recorded compatible tire sizes for the 2018 Subaru WRX STI include 245/35ZR19 89W, 255/30ZR20 92Y on 19"–20" wheels. When building a package, our fitment engine confirms exact tire aspect ratios for your selected rim width.