Independent · Source-led · American performance history Issue 01 · 1951–2023
American Muscle Car Facts

Showroom arguments.
Race-bred answers.

General Motors option code

W58  — Radio EQ+Cass 4-spkr

W58 (Radio EQ+Cass 4-spkr): a General Motors factory option code recorded on 1 model across 1996, with installs and price where a source states them.

1 model · 1 model year · 1 source

Dark green 1997 Firebird Formula with a T-top and five-spoke wheels, front three-quarter at a car show
Shown: 1997 Pontiac Firebird Formula coupe in Dark Green Metallic Photo: Elise240SX, CC BY-SA 4.0, via Wikimedia Commons

Every sourced appearance

Year Model As named that year Price Installs
1996 Pontiac Firebird and Trans Am Radio EQ+Cass 4-spkr RPO Unknown 26 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.