Key 1957 Firesweep Specifications:
- Engine: 325 cubic inch (5.3 L) "Polyspherical" V8.
- Power: 245 hp (standard 2-barrel) or 260 hp (optional 4-barrel power-pack).
- Transmission: 3-speed manual (standard), 2-speed PowerFlite, or 3-speed TorqueFlite automatic.
- Wheelbase: 122.0 inches.
- Overall Length: 215.8 inches.
- Width: 78.20 inches.
- Suspension: Front Torsion-Aire (torsion bar) with rear leaf springs.
- Body Styles: 4-door sedan, 5-door station wagon, 2-door coupe, 2-door convertible.
- Distinguishing Feature: The 1957 Firesweep featured a front end based on the Dodge Coronet (headlights under heavy chrome lids), unlike the Firedome/Fireflite, while retaining DeSoto's fins and grille