1931 Buick Series 90 Sport Roadster
- Engine
- 345 cu in straight-eight
- Colour
- Everglade Blue and Ebony Black with Normandy Gray accents and cream striping
A 1931 Buick Series 90 Sport Roadster, one of only 824 produced, powered by the largest of Buick's new straight-eight engines on a 132-inch wheelbase. Restored ground-up over approximately four years in the mid-1980s to factory catalogue colours — Everglade Blue and Ebony Black with Normandy Gray accents — and fitted with period accessories, it earned numerous concours honours on the West Coast including a CCCA Senior First Prize and the AACA James Melton Memorial Cup. It carries Full Classic status from the Classic Car Club of America.
Ownership
- —Auction saleSold US$110,000
- → 1983Acquisition unknownClare Gorepartial documentation
Former national president of the Buick Club of America; owned the car prior to selling it as an unrestored project.
- 1983 → 2004Private salePaul Riekerpartial documentation
Also a former national president of the Buick Club of America, based in Long Beach, California; completed a comprehensive ground-up restoration over roughly four years, finishing the car in a color scheme matching the factory catalogue.
- 2004 → 2007Private saleCraig Ekbergpartial documentation
Well-known California-based collector who acquired the car from Rieker and subsequently sold it three years later.
- 2007 →Private saleSouth American collectorpartial documentation
Unnamed collector in South America; the car eventually returned to the United States from this ownership.
- Date unknownPrivate saleCurrent collection ownerpartial documentation
US-based collector who acquired the car after its return from South America; keeps it in a private museum, contributing to the preservation of its restored condition.
Competition
- —West Coast concours and show circuitMultiple awards won
Paul Rieker exhibited the car at various West Coast events during his ownership, accumulating numerous honors across multiple showings.
- —Classic Car Club of AmericaCCCA Senior judgingSenior First Prize
Car earned the top CCCA Senior class award while in Rieker's ownership.
- —Antique Automobile Club of AmericaAACA Western Spring National MeetJames Melton Memorial Cup — outstanding Senior car
Recognized as the top Senior vehicle at this regional national meet; later also achieved Preservation honors within the AACA.
Maintenance & restoration
- —Restoration
Complete ground-up rebuild carried out over roughly four years following acquisition as a project in 1983, finished in factory catalogue colours with period-correct accessories and black leather interior.
Work commissioned by Paul Rieker; completed by approximately 1987 based on the stated four-year duration from the 1983 purchase.
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