DeSoto Fireflite IV Four-Door Sedan 6.3 V8 (325 Hp) TorqueFlite


Overall Rating

7.3 / 10
Safety N/A / 5
Not Rated
Engine 3.5 / 5
Value 4.0 / 5
Performance 3.5 / 5
Comfort 4.5 / 5
People\'s Opinion N/A / 5
Not Rated

DeSoto Fireflite:

The DeSoto Fireflite is a full-size premium automobile which was produced by DeSoto in the United States from 1955 until 1960.
The Fireflite was introduced in 1955 as DeSoto's top trim package of the DeSoto Firedome. It was wider and longer than the Firedome, and came equipped with a hemispherical cylinder head, 291 cubic inch displacement V8 engine producing 200 hp when equipped with the 4-barrel carburetor , and PowerFlite automatic transmission. The transmission was operated by a Flite-Control lever located on the dashboard. The car weighed 4,070 lb and cost US$3,544. AM radio was a US$110 option....(Read more on Wikipedia)

IV Four-Door Sedan Overview:

DeSoto Fireflite (IV Four-Door Sedan). With 576 Nm of torque, it offers ample pulling power. Rear‑wheel drive offers dynamic handling and sporty feedback. A four-door car with a separate trunk, ideal for families and daily commuting. With seating for 6, it’s perfect for larger families.

6.3 V8 (325 Hp) TorqueFlite Verdict:

Rating 5 stars

Performance Verdict

The top-tier engine option, providing excellent power and torque for its time. Paired with the superior TorqueFlite transmission, it delivers strong acceleration and a more refined driving experience.

Fuel Economy

Still a fuel-intensive engine, but the TorqueFlite's more efficient gearing might offer a marginal improvement in real-world consumption compared to the PowerFlite.

Best Use Case: Highway cruising / Spirited driving (for its class)

Pros and Cons:

Pros:

  • • Iconic and distinctive 'Forward Look' styling
  • • Powerful V8 engines for its era
  • • Spacious and comfortable interior, ideal for cruising
  • • Smooth, soft ride quality
  • • Historical significance as a classic American automobile

Cons:

  • • Very poor fuel economy
  • • Lack of modern safety features
  • • Handling and braking are typical of 1950s large sedans (soft, less precise)
  • • Parts availability can be challenging for restoration
  • • Large dimensions make it less practical for modern urban environments

Specifications:

Specifications are compared to those of the previous generation(III Two-Door Sportsman (facelift 1959): 1958 - 1959).

General:
Brand:DeSoto
Model:Fireflite
Generation:IV Four-Door Sedan
Modification (Engine):6.3 V8 (325 Hp) TorqueFlite
Start of production:1959
End of production:1960
Powertrain Architecture:Internal Combustion engine
Body type:Sedan
Seats:6
Doors:4
Engine:
Power:325 Hp @ 4600 rpm.
Power per litre:51.8 Hp/l
Torque:576 Nm @ 2800 rpm.
Engine displacement:6276
Number of cylinders:8
Engine configuration:V-engine
Number of valves per cylinder:2
Fuel injection system:Carburettor
Engine aspiration:Naturally aspirated engine
Valvetrain:OHV
Engine oil capacity:4.7 l
Coolant:16.1 l
Cylinder Bore:107.95 mm mm
Piston Stroke:85.85 mm mm
Compression ratio:10:1
Performance:
Fuel Type:Petrol (Gasoline)
Space:
Trunk (boot) space - maximum:929 l
Fuel tank capacity:87 l
Size:
Ramp-over (brakeover) angle:12.4°
Length:5471 mm mm [145mm less]
Width:2017 mm mm [18mm more]
Height:1397 mm mm [Same height.]
Wheelbase:3099 mm mm [101mm less]
Front track:1549 mm
Rear (Back) track:1516 mm
Front overhang:881 mm
Rear overhang:1491 mm
Ride height (ground clearance):132 mm
Minimum turning circle (turning diameter):14.3 m [above average]
Approach angle:15.6°
Departure angle:10.4°
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears3
Transmission typeAutomatic
Gearbox typeTorqueFlite
Front brakesDrum, 279 mm [bad for performance and cooling.]
Rear brakesDrum, 279 mm [bad for performance and cooling.]
Steering typeWorm-reduction unit
Front suspensionIndependent torsion bar, double wishbone
Rear suspensionLeaf spring

Your first impression of the DeSoto Fireflite in one word? Go!