DeSoto Firesweep I 2-Door Sportsman (facelift 1959) 5.9 V8 (295 Hp) TorqueFlite


Overall Rating

7.2 / 10
Safety N/A / 5
Not Rated
Engine 4.0 / 5
Value 3.5 / 5
Performance 4.0 / 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 2-Door Sportsman (facelift 1959) Overview:

DeSoto Firesweep (I 2-Door Sportsman (facelift 1959)). With 529 Nm of torque, it offers ample pulling power. Rear‑wheel drive offers dynamic handling and sporty feedback. A two-door car with a fixed roof, known for its sporty design and dynamic performance. With seating for 6, it’s perfect for larger families.

5.9 V8 (295 Hp) TorqueFlite Verdict:

Rating 4 stars

Performance Verdict

The 5.9 V8, delivering 295 horsepower, was well-matched with the more advanced TorqueFlite 3-speed automatic transmission. This combination offered smoother shifts and better overall performance flexibility compared to the 2-speed PowerFlite, enhancing the driving experience.

Fuel Economy

While slightly more efficient than the 2-speed PowerFlite due to the extra gear, the TorqueFlite-equipped 5.9 V8 still consumed a substantial amount of fuel, typical for a large displacement engine of the era.

Best Use Case: Daily driving (for its era), spirited cruising, collector vehicle.

Pros and Cons:

Pros:

  • • Powerful 5.9L V8 engine for its era
  • • Distinctive and stylish mid-century American design
  • • Spacious and comfortable interior for six occupants
  • • Smooth automatic transmission options (especially TorqueFlite)
  • • Strong road presence and classic appeal

Cons:

  • • Very poor fuel economy
  • • Lack of modern safety features
  • • Soft suspension leads to significant body roll
  • • Large turning circle makes maneuvering difficult
  • • Parts availability can be challenging for restoration

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 2-Door Sportsman (facelift 1959)
Modification (Engine):5.9 V8 (295 Hp) TorqueFlite
Start of production:1958
End of production:1959
Powertrain Architecture:Internal Combustion engine
Body type:Coupe
Seats:6
Doors:2
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)
Space:
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:1438 mm mm [5mm 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 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

Have you ever driven an DeSoto Firesweep?
How was your experience with it? Share with us: