Subaru Outback — Bolt Pattern & Wheel Fitment

2020-2025 6th gen (BT)

MY OWN VERIFICATION (independent of the first researcher): I re-ran the whole chain myself rather than re-reading their files. I queried Subaru's own document service (subaru.com/services/documentation/trim/{code}) fresh for trim codes LDF/NDF/RDF/SDF, pulled the 2020, 2024 and 2025 Outback owner's manuals straight from Subaru's STIS S3 bucket, and text-extracted them myself. All three confirm the torque exactly as claimed, on the exact printed pages claimed (528 / 572 / 574). PDF metadata is consistent with genuine factory documents (Arbortext Advanced Print Publisher, authored in Japan at UTC+09:00, revised in US Eastern by Subaru of America). CONCLUSION: the first researcher fabricated nothing I could find; torque, wheel sizes and tire sizes all check out. WHAT I CHANGED — OFFSET IS NOW OEM-SOURCED: the first researcher listed oemOffset 55 as unverified aftermarket consensus and called it the field they held with least confidence. I found genuine OEM documentation they missed. Subaru Deutschland's Outback MY2022-2024 accessory price list AND the separate MY2022-2024 accessory brochure both catalogue Genuine Subaru alloy wheels as "7,0 x 17\", ET55" (part 1837) and "7,0 x 18\", ET55" (part 1518) — precisely the two OEM rim sizes for this generation. Two independent Subaru publications, so ET55 is now OEM-backed, not consensus. Subaru's own catalogue additionally sanctions 8,0x19 ET48 and 8,0x20 ET45 accessory upsizes on this platform (European market), which is useful plus-sizing headroom. WILDERNESS OFFSET — NEW SAFETY-RELEVANT BOUND: Subaru's own spec sheets give Wilderness track as 62.0/63.0 in. vs 61.8/62.8 in. for every other 6th-gen Outback — exactly +0.2 in. per axle, i.e. 2.54 mm per side. Aftermarket databases that list the Wilderness at ET47 or ET48 are therefore WRONG on Subaru's own numbers: an 8 mm/side offset reduction would widen track by ~0.63 in., not 0.2 in. The Wilderness offset is bounded to roughly ET52.5-55, and since Subaru attributes the Wilderness geometry change to its "0.8-in. increase" in ride height (which alone shifts track on a strut/multi-link setup), the offset is plausibly the same ET55. Treat ET55 as correct for Wilderness too, but this is the one trim where I would still measure the wheel. STILL NOT OEM-SOURCED AFTER MY OWN SEARCH — boltPattern (5x114.3), centerBore (56.1 mm) and threadPitch (M12x1.25). I did not merely accept the first researcher's negative result, I reproduced it on my own path and then went further than they did. Regex swept all six US owner's manuals for 114.3 / 5x114 / bolt circle / bolt pattern / PCD / M12 / 56.1 / center bore / hub bore: zero hits in every manual. Then searched sources they never touched: Subaru Deutschland PTA technical-data sheets MY24 and MY25; the Subaru DE accessory price list and accessory brochure (MY2022 and MY2022-2024 editions); the entire Subaru DE Broschürenarchiv (315 PDFs — it contains no wheel/tyre technical document at all); Subaru Australia (only the 2026/7th-gen brochure is still published); Subaru Japan (the Legacy Outback pages now return 404 — the model is out of the Japanese range, so the JDM 諸元表 that would have listed インセット and P.C.D. is gone); Subaru Switzerland (sitemap returns 403). Subaru of America's parts catalogue at parts.subaru.com sits behind Cloudflare bot interstitial, which I did not attempt to bypass. So: verified stays FALSE, because the schema requires boltPattern to be OEM-documented and it simply is not, in any Subaru consumer publication I can reach. 5x114.3 / 56.1 / M12x1.25 remain strong, universally-agreed aftermarket consensus for this platform and are almost certainly right — but on a safety-relevant site they must be labelled as unconfirmed, not asserted as OEM fact. GENERATION RANGE 2020-2025, NOT 2020-2024: I independently confirm the first researcher's deliberate widening of the brief's scope and keep it. The MY2025 manual's tire/wheel/torque table is byte-identical to MY2024's, and the MY2025 press-kit sheet matches MY2024 on wheels, wheelbase and track. The redesign lands for MY2026 (7th gen: 18x7, 18x7.5, 19x7 and 17x7 wheels, track 62.4/63.4 in.). Leaving 2025 uncovered would strand those owners with no torque figure. Do NOT let this row match a MY2026 vehicle. LEGACY-COLUMN TRAP — CONFIRMED REAL, KEEP THE WARNING: I read the raw table myself. The Specifications table is shared with the Legacy sedan and the Legacy columns list 17x7J, 17x7 1/2J and 18x7 1/2J. The 7 1/2J widths are LEGACY ONLY. The Outback is 17x7J and 18x7J, the Wilderness 17x7J. Whoever wires this in must not let the 7.5J widths leak into Outback fitment. (Extraction note for anyone re-parsing these PDFs: the multiplication sign in "17x7J" extracts as the digit 6, so the raw text reads "17 6 7J" — do not misread that as a 6-inch or 67-inch dimension.) SPARE-WHEEL DETAIL, SHARPENED: the manual's own footnotes distinguish "*2: Models with temporary spare tire" (T155/80 D17 101M on a steel rim) from "*3: Models with conventional tire" — and the conventional/full-size spare is 225/60R18 100H on the 18-inch trims (Onyx Edition XT) and 225/65R17 102T on the Wilderness. The single 120 N·m torque row governs all of them, steel temporary spare included. TRIM SPREAD: 17x7J on Base, Premium and Wilderness; 18x7J on Limited, Touring, Onyx Edition XT and Onyx Edition. The non-XT 'Onyx Edition' is a later-in-generation trim — the MY2022 spec sheet lists only 'Onyx Edition XT', while MY2024/MY2025 list both. Fastener data (torque, thread) is identical across every trim, so no trim split is needed and none is given.