General Motors option code
D8 — Front & Rear Dual Speakers (D1 or D5 Req.)
D8 (Front & Rear Dual Speakers): a General Motors factory option code recorded on 1 model across 1974–1976, with installs and price where a source states them.
1 model · 3 model years · 3 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1974 | Buick Riviera | Front & Rear Dual Speakers (D1 or D5 Req.) order code (Buick option code) | $39 | Unknown |
| 1975 | Buick Riviera | Front & Rear Dual Speakers (D1 or D5 Req.) order code (Buick option code) | $39 | Unknown |
| 1976 | Buick Riviera | Front & Rear Dual Speakers (D1 or D5 Req.) order code (Buick option code) | $41 | 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.