Powertrain selections remained the same as in 1973, with only V8 engines and automatic transmissions available. When ordered with a trailer package (special wiring harness with heavy-duty flasher and heavy-duty suspension with rear sway bar), the Ambassador was rated for up to towing capacity. Other increases for 1974 included a larger capacity fuel tank, , and an alternator producing 62 amperes. New sound insulation made the Ambassador even quieter. All came with a very lengthy list of standard equipment that was typically optional on competing makes. These included comfort items such as air conditioning, an AM radio, and vanity mirror to appearance enhancements such as pin striping and whitewall tires.