General Motors option code

QCX

QCX: a General Motors factory option code reused for more than one part across 1976–1982 and 2 models — see the table for what it named each year, with installs and price where a source states them.

General Motors reused this code for more than one part over the years — read the "as named that year" column for what it meant on each row rather than assuming one meaning throughout.

2 models · 5 model years · 3 sources

Brochure cover reading Chevy El Camino, with a blue and white 1977 El Camino Classic with stacked rectangular headlamps parked at a boat ramp — Shown: Cover of the 1977 Chevrolet El Camino sales brochure, showing an El Camino Classic

Every sourced appearance

Year	Model	As named that year	Price	Installs
1976	Chevrolet El Camino SS	GR70-15/B radial white stripe tires with sport suspension (V8) RPO	$84.05	Unknown
1977	Chevrolet El Camino SS	GR70-15/B radial white stripe tires RPO	$61.80	Unknown
1980	Buick Riviera	GR7O-15 Steel Belted Radial Ply Wide Oval Whitewall (std. on S-Type) order code (Buick option code)	$31	Unknown
1981	Buick Riviera	GR70-15 Steel Belted Radial-ply Whitewall (Std. on T Type) order code (Buick option code)	$33.32	Unknown
1982	Buick Riviera	GR70/15 Steel Belted Radial Ply Wide Oval Whitewall order code (Buick option code)	$86.32	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.