DeSoto Firesweep I 4-Door Sportsman (facelift 1959) 5.9 V8 (295 Hp)


Overall Rating

7.5 / 10
Safety N/A / 5
Not Rated
Engine 3.8 / 5
Value 3.8 / 5
Performance 3.9 / 5
Comfort 4.0 / 5
People\'s Opinion N/A / 5
Not Rated

DeSoto Firesweep:

The DeSoto Firesweep is an automobile that was produced by DeSoto from 1957 through 1959.
The Firesweep was a lower-priced entry that combined a Dodge shell and chassis with a DeSoto bumper and grill. 1957 models were sold only as imports in Canada. While the Firesweep featured DeSoto's signature tailfins, the front clip was based on the Dodge Coronet. The most telling feature was the headlight design, housed under heavily chromed lids typical of Dodge. Firesweep grilles were similar to those on other contemporary DeSoto models....(Read more on Wikipedia)

I 4-Door Sportsman (facelift 1959) Overview:

DeSoto Firesweep (I 4-Door Sportsman (facelift 1959)). With 529 Nm of torque, it offers ample pulling power. With a weight of 1767 kg, it falls in the mid‑range. 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.

5.9 V8 (295 Hp) Verdict:

Rating 4 stars

Performance Verdict

The core 5.9L V8 engine delivered strong, effortless power, making the Firesweep a capable performer. Its 295 hp was impressive for a family sedan of the late 1950s.

Fuel Economy

As a large displacement V8 from this era, fuel efficiency was minimal. Owners should anticipate frequent stops at the gas station.

Best Use Case: Enthusiast driving, restoration projects, and period-correct cruising.

Pros and Cons:

Pros:

  • • Distinctive 'Forward Look' styling and chrome accents.
  • • Powerful 5.9L V8 engine for its era.
  • • Spacious and comfortable interior for six passengers.
  • • Relatively rare, making it a unique classic car.

Cons:

  • • Very poor fuel economy by modern standards.
  • • Lack of modern safety features.
  • • Parts can be challenging to source for restoration.
  • • Soft suspension leads to significant body roll.

Specifications:

Specifications are compared to those of the previous generation(I 4-Door Sedan (facelift 1958): 1957 - 1958).

General:
Brand:DeSoto
Model:Firesweep
Generation:I 4-Door Sportsman (facelift 1959)
Modification (Engine):5.9 V8 (295 Hp)
Start of production:1958
End of production:1959
Powertrain Architecture:Internal Combustion engine
Body type:Sedan
Seats:6
Doors:4
Engine:
Power:295 Hp @ 4600 rpm.
Power per litre:49.9 Hp/l
Torque:529 Nm @ 2400 rpm.
Engine displacement:5916
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:104.65 mm mm
Piston Stroke:85.85 mm mm
Compression ratio:10:1
Performance:
Fuel Type:Petrol (Gasoline)
Weight-to-power ratio:6 kg/Hp, 166.9 Hp/tonne
Weight-to-torque ratio:3.3 kg/Nm, 299.4 Nm/tonne
Space:
Kerb Weight:1767
Fuel tank capacity:76 l
Size:
Ramp-over (brakeover) angle:10.4°
Length:5514 mm mm [15mm more]
Width:1999 mm mm [10mm more]
Height:1394 mm mm [49mm less]
Wheelbase:3099 mm mm [Same wheelbase.]
Front track:1547 mm
Rear (Back) track:1516 mm
Ride height (ground clearance):140 mm
Minimum turning circle (turning diameter):14.2 m [above average]
Approach angle:15°
Departure angle:10°
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears3
Transmission typeManual
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

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