General Motors option code

UN6

UN6: a General Motors factory option code reused for more than one part across 1987–2000 and 3 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.

3 models · 6 model years · 4 sources

Brochure page: white-and-gray 1986 Riviera T Type cornering on a winding road — Shown: 1986 Buick Riviera T Type, from the 1986 Riviera Prestige brochure

Every sourced appearance

Year	Model	As named that year	Price	Installs
1987	Buick Riviera	Cassette AM/FM Stereo w/Seek, Scan Auto Reverse & Clock order code (Buick option code)	$152	Unknown
1994	Pontiac Firebird and Trans Am	Radio AM/FM RPO	Unknown	12,158 Reported
1995	Pontiac Firebird and Trans Am	Radio AM/FM RPO	Unknown	12,884 Reported
1996	Pontiac Firebird and Trans Am	Radio AM/FM RPO	Unknown	1 Reported
1997	Pontiac Grand Prix	Delco 2001 Series ETR AM/FM stereo with auto-reverse cassette, TheftLock, 4-speaker sound RPO	Unknown	Unknown
2000	Pontiac Grand Prix	Delco 2001 Series ETR AM/FM stereo with auto-reverse cassette, 6 speakers (SE and GT standard) RPO	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.