| RPO | Accessory | Cost | |
|---|
| Drivetrain options | $180-350 | 301-cid four barrel ($180 credit); Turbo 301-cid V-8 ($350) | | Electronic-tuned stereo radio | | with a four-speaker system | | Firebird Formula/Trans Am special performance package | $281-481 | | | Firm ride package | $14 | | | Full-size custom trim grp. | $181-435 | | | Full-size exterior appearance package | $180 | | | Power four-wheel disc brakes | $162 | | | Air conditioning | $531-647 | | | California emissions | $83-250 | execpt diesel ($83) | | Cruise control | $105-118 | | | Engine block heater | $16 | | | Heavy-duty battery | $19-23 | execpt diesel ($46) | | Power seat | $165-179 | | | Power windows | $132-221 | |