General Motors option code
UM6
UM6: a General Motors factory option code reused for more than one part across 1980–1993 and 4 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.
4 models · 7 model years · 6 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1980 | Buick Riviera | Cassette Tape & Signal Seeking AM/FM Stereo w/Digital Clock order code (Buick option code) | $325 | Unknown |
| 1981 | Buick Riviera | Cassette Tape & ETR AM-FM Stereo Radio order code (Buick option code) | $322 | Unknown |
| 1981 | Pontiac Firebird and Trans Am | AM/FM ETR Stereo Radio and with Tape (includes Digital Clock) RPO/UPC | $555 | Unknown |
| 1982 | Buick Riviera | Cassette Tape & ETR AM/FM Stereo Radio order code (Buick option code) | $242 | Unknown |
| 1985 | Buick Riviera | Cassette AM/FM Stereo order code (Buick option code) | $122 | Unknown |
| 1986 | Chevrolet El Camino SS | ETR AM/FM stereo with cassette and digital clock RPO | $419 | Unknown |
| 1988 | Oldsmobile Cutlass, 4-4-2 and Hurst/Olds | Delco ETR AM/FM stereo with seek-scan, auto-reverse cassette and digital display clock, includes dual rear speakers with extended range. Cutlass Supreme Classic: available (the radio table has one Classic column). RPO | Unknown | Unknown |
| 1993 | Pontiac Firebird and Trans Am | Radio AM/FM Cass EQ RPO | Unknown | 4,851 Reported |
Every row traces to the source it links from on that model's own year page; this table only collects them in one place.