What is the factory spec for the OEM 2015-17 STI (VA) 18x8.5 +55 wheel, 5x114.3 on a Subaru WRX and STI (VA, 2015-2021)?
Added · Updated
Short answer: Factory specification Confirmed
Verdict:Factory spec Confirmed confidence (3 of 3) · 5 sources
Factory specification: Factory 2015-17 STI wheel: 18x8½J at +55 mm on 5x114.3 with 245/40R18 97W tires (offset from the 2016 manual; size and tire in the 2015 and 2017 owner's manuals).
Safety-critical part. This spec is confirmed from manufacturer documentation (listed under Sources). Still check it against the factory service manual for your exact car, or have a qualified shop do or check the work.
| Part | OEM 2015-17 STI (VA) 18x8.5 +55 wheel, 5x114.3 |
|---|---|
| Vehicle | Subaru WRX and STI (VA, 2015-2021) |
| Years | 2015-2017 |
| Trim / condition | STI |
| Verdict | Factory spec Specification |
| Confidence | Confirmed 3 of 3 — Backed by a manufacturer document, or two or more independent sources agree on a specific checkable fact. |
| Last verified | 2026-10-26 (date the cited sources were last read) |
Details
Factory 2015-17 STI wheel: 18x8½J at +55 mm on 5x114.3 with 245/40R18 97W tires (offset from the 2016 manual; size and tire in the 2015 and 2017 owner's manuals). The 2015 Launch Edition used gold 18-inch BBS wheels (2015 pricing release); the undated 2015 press kit also puts BBS wheels on the Limited.
Specs
- bolt pattern: 5x114.3
- centerbore mm: 56.1
- size: 18x8½J
- offset mm: 55
- tire: 245/40R18 97W
Related build entries
Other wheels fitment for the VA
- OEM 2015-19 WRX (VA) 17x8 +55 wheel, 5x114.3 — Specification Factory spec
- OEM 2018-19 WRX Premium (VA) 18x8.5 +55 wheel, 5x114.3 — Specification Factory spec
- OEM 2018-19 STI (VA) 19x8.5 +55 wheel, 5x114.3 — Specification Factory spec
- OEM 2008-14 STI (GR/GV) 18x8.5 +55 wheel, 5x114.3 — Reported to fit Fits
- OEM 2011-14 WRX (GR/GV) 17x8 +53 wheel, 5x100 — Does not fit Doesn't fit
- OEM 2002-2004 WRX wheel (16x6.5 +53) — Does not fit Doesn't fit
This part on other generations
- Subaru WRX and STI (GE/GH/GR/GV, 2008-2014) — Reported to fit Fits
More for this car
- All Subaru WRX and STI (VA, 2015-2021) fitment answers · VA common problems
- Newsletter archive: past issues with every new and corrected entry
Sources
- 2016MY WRX and WRX STI service manual G1230BE (book 16STI_US_EN, 2016-11-11) — Subaru (Fuji Heavy Industries) (mfr spec; read 2026-10-26; full page read)STI 18x8½J, +55, PCD 114.3, 245/40R18 97W.
- 2015 WRX / WRX STI owner's manual MSA5M1514A (A1190BE-A) — Subaru of America (mfr spec; read 2026-10-26; full page read)
- 2017 WRX / WRX STI owner's manual MSA5M1705A (A1270BE-A) — Subaru of America (mfr spec; read 2026-10-26; full page read)
- Subaru announces pricing on all-new 2015 WRX and WRX STI sedans — Subaru of America (PR Newswire) (mfr spec; read 2026-10-26; full page read)Launch Edition: gold 18-inch BBS wheels.
- 2015 WRX STI press kit — Subaru of America media site (editorial; read 2026-10-26; full page read)Undated press kit (editorial): 18-inch wheels, 245/40R18; BBS on Launch Edition and Limited.
Summaries are in our own words. Fitment is not guaranteed — disclaimer.
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