DeSoto Custom 4-Door Sedan 3.9 (109 Hp)


Overall Rating

7.3 / 10
Safety N/A / 5
Not Rated
Engine 3.5 / 5
Value 4.0 / 5
Performance 3.0 / 5
Comfort 4.0 / 5
People\'s Opinion N/A / 5
Not Rated

DeSoto Custom:

The DeSoto Series S-10 is an automobile produced by DeSoto from 1942 through to the 1952 model year. While in production, the Series S-10, which was sold with the trim package DeLuxe, was DeSoto's entry-level car, and was offered primarily as two-door and four-door sedans while the Custom offered upscale interiors and appearance including a 7-passenger sedan and the extended-wheelbase Suburban sedans. The body was claimed to be "rust proofed".
The DeLuxe differed from the more upmarket Custom line by having less trim, fewer standard features, and plainer interiors in fewer color combinations. A six-tube and an eight-tube radio were optional....(Read more on Wikipedia)

4-Door Sedan Overview:

DeSoto Custom (4-Door Sedan). With 260 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.

3.9 (109 Hp) Verdict:

Rating 4 stars

Performance Verdict

The 3.9L inline-6 engine provided adequate power for cruising and daily driving in the post-war era, delivering smooth, if not exhilarating, acceleration.

Fuel Economy

Fuel economy was typical for a large American car of the 1940s, meaning relatively poor by modern standards, but acceptable for its time.

Best Use Case: General Driving / Cruising

Pros and Cons:

Pros:

  • • Spacious and comfortable interior for its era
  • • Classic post-war American styling and presence
  • • Robust and relatively simple inline-6 engine design
  • • Smooth ride quality for a 1940s vehicle
  • • Historical significance as a return to civilian production

Cons:

  • • Poor fuel economy by modern standards
  • • Lack of modern safety features (e.g., seatbelts, airbags, crumple zones)
  • • Vague steering and soft suspension by modern driving dynamics
  • • Limited braking performance with drum brakes all around
  • • Requires specialized maintenance and parts for a vintage vehicle

Specifications:

General:
Brand:DeSoto
Model:Custom
Generation:4-Door Sedan
Modification (Engine):3.9 (109 Hp)
Start of production:1946
End of production:1949
Powertrain Architecture:Internal Combustion engine
Body type:Sedan
Seats:6
Doors:4
Engine:
Power:109 Hp @ 3600 rpm.
Power per litre:28.1 Hp/l
Torque:260 Nm @ 1200 rpm.
Engine displacement:3877
Number of cylinders:6
Engine configuration:Inline
Number of valves per cylinder:2
Fuel injection system:Carburettor
Engine aspiration:Naturally aspirated engine
Engine oil capacity:4.7 l
Coolant:16.1 l
Cylinder Bore:87.31 mm mm
Piston Stroke:107.95 mm mm
Compression ratio:6.6:1
Performance:
Fuel Type:Petrol (Gasoline)
Space:
Fuel tank capacity:64 l
Size:
Length:5265 mm mm
Width:1923 mm mm
Height:1687 mm mm
Wheelbase:3086 mm mm
Front track:1448 mm
Rear (Back) track:1524 mm
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
Rear brakesDrum, 279 mm

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