General Motors option code

C1  — Power disc brakes

C1 (Power disc brakes): a General Motors factory option code recorded on 3 models across 1967–1970, with installs and price where a source states them.

3 models · 4 model years · 6 sources

Brochure page: silver-blue 1966 Buick Riviera hardtop, front three-quarter, headline "Tuned, Taut, Smoother than ever"
Shown: 1966 Buick Riviera, from the 1966 Riviera brochure

Every sourced appearance

Year Model As named that year Price Installs
1967 Buick Riviera Power Disc Front Brakes order code (Buick option code) $78.94 Unknown
1967 Buick Wildcat Power disc brakes order code $121.04 Unknown
1968 Buick Riviera Power Disc Brakes order code (Buick option code) $78.94 Unknown
1969 Buick Riviera Power disc brakes order code $52.63 5,918 Reported
1969 Buick Skylark Gran Sport, GS and GSX Power disc brakes (not with V2) order code $64.25 Unknown
1969 Buick Wildcat Power disc brakes (LeSabre, Wildcat; not with manual transmission) order code $78.94 Unknown
1970 Buick Riviera Power Disc Brakes order code (Buick option code) Unknown Unknown

Every row traces to the source it links from on that model's own year page; this table only collects them in one place.