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DeSoto
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Model
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Diplomat
1951 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
1951
Make
DeSoto
Model
Diplomat
Body Style
Convertible
Generation
1st Generation
Doors
2
Fuel
Gasoline
Drivetrain
2WD
Transmission
Manual, 3-speed
Powertrain
Engine Name
3.6 Manual
Engine Configuration
Inline
Power (hp)
98 hp
Power (kW)
72 kW
Displacement
3,563 cc
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
Bore
82.5 mm
(3.2 in)
Stroke
111.1 mm
(4.4 in)
Compression Ratio
7 :1
Engine Configuration
Inline
Naturally Aspirated
Yes
Engine Placement
Front
Engine Mount
Longitudinally
Type of Combustion Engine
Piston
Fuel System
Carburator
Engine Block
Cast Iron
Engine Cooling
Liquid Cooling
Transmission & Drivetrain
Transmission
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
1951
Powertrain
3.6 Manual
Horsepower
98 hp
Drivetrain
2WD
Fuel
Transmission
Manual, 3-speed
Gasoline
Convertible
2WD
Manual, 3-speed
Gasoline
