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Vehicles
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Make
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DeSoto
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Model
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Diplomat
1957 DeSoto Diplomat
United States
Gasoline
2WD
Convertible
Updated Aug 23, 2026
Image coming soon
Specifications
Vehicle Details
Powertrain
Dimensions
Engine & Performance
Dimensions & Weight
Exterior
Interior
Other
Vehicle Details
Year
1957
Make
DeSoto
Model
Diplomat
Body Style
Convertible
Generation
1st Generation
Doors
2
Fuel
Gasoline
Drivetrain
2WD
Transmission
Automatic
Manual, 3-speed
Powertrain
Engine Name
4.1 (1949 - 1962)
Engine Configuration
Inline
Power (hp)
132 hp
Power (kW)
98 kW
Dimensions
Length
5,290 mm
(208.3 in)
Width
1,908 mm
(75.1 in)
Height
1,660 mm
(65.4 in)
Wheelbase
3,188 mm
(125.5 in)
Engine & Performance
Engine
Engine Configuration
Engine Configuration
Inline
Transmission & Drivetrain
Transmission
Automatic
Manual, 3-speed
Dimensions & Weight
Exterior
Track, Front
1,430 mm
(56.3 in)
Track, Rear
1,512 mm
(59.5 in)
Exterior
Chassis & Body
Chassis
Chassis
Cabriolet
Interior
Equipment
Instrument Cluster
Odometer Limit
100,000 km/miles
Other
Car Classification
American Classification
Full-Size Car
British Classification
Executive Car
Australian Classification
Large Car
European Segment
E-Segment
Car.info Classification
Executive Car
DeSoto
170 vehicles
Diplomat
Model
9 variants
€67,000
MSRP · EUR
8.9
Body
Convertible
Variant
Diplomat Standard
1949–1962
Generation
1st Generation
Year
1957
Powertrain
4.1 (1949 - 1962)
Horsepower
132 hp
Drivetrain
2WD
Fuel
Transmission
Automatic | Manual, 3-speed
Gasoline
Convertible
2WD
Gasoline
