DeSoto Adventurer II Coupe (facelift 1958) 5.9 V8 (345 Hp) TorqueFlite


Overall Rating

7.8 / 10
Safety N/A / 5
Not Rated
Engine 4.5 / 5
Value 4.0 / 5
Performance 4.5 / 5
Comfort 4.0 / 5
People\'s Opinion N/A / 5
Not Rated

DeSoto Adventurer:

The DeSoto Adventurer is a full-sized automobile that was produced by DeSoto from 1956 through the 1960 model year. Introduced as a four-seat high-performance sports coupe concept car, the Adventurer ended up being DeSoto's special, limited-production, high-performance model, similar to the more luxurious and exclusive "letter series" Chrysler 300 and Chrysler Saratoga.
Initially offered only as a hardtop coupe, the Adventurer was DeSoto's top-trim level car, replacing the Custom. A convertible was added to the model range in 1957, and a four-door hardtop and sedan in its final year of 1960....(Read more on Wikipedia)

II Coupe (facelift 1958) Overview:

DeSoto Adventurer (II Coupe (facelift 1958)). With 542 Nm of torque, it offers ample pulling power. With a weight of 1912 kg, it falls in the mid‑range. 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 (345 Hp) TorqueFlite Verdict:

Rating 4 stars

Performance Verdict

The 345 Hp 5.9L V8 provided robust performance, offering strong acceleration and ample power for its size and weight. Paired with the TorqueFlite automatic, it delivered a smooth and commanding driving experience characteristic of American luxury cars of the period.

Fuel Economy

As with its more powerful sibling, this 5.9L V8 was designed for power and smoothness, not fuel efficiency. Owners should anticipate significant fuel consumption, typical for a large, carbureted V8 from the late 1950s.

Best Use Case: Highway cruising / Enthusiast driving

Pros and Cons:

Pros:

  • • Iconic 'Forward Look' styling and luxurious presence
  • • Powerful V8 engines offering strong performance for the era
  • • Smooth and reliable TorqueFlite automatic transmission
  • • Spacious interior with comfortable seating for six
  • • Rarity and collector appeal

Cons:

  • • Very poor fuel economy by modern standards
  • • Outdated safety features and crash protection
  • • Soft suspension and vague steering limit dynamic handling
  • • Parts availability can be challenging for restoration
  • • Large turning circle makes maneuvering difficult

Specifications:

Specifications are compared to those of the previous generation(I Convertible: 1956 - 1957).

General:
Brand:DeSoto
Model:Adventurer
Generation:II Coupe (facelift 1958)
Modification (Engine):5.9 V8 (345 Hp) TorqueFlite
Start of production:1957
End of production:1958
Powertrain Architecture:Internal Combustion engine
Body type:Coupe
Seats:6
Doors:2
Engine:
Power:345 Hp @ 5000 rpm. Same horsepower
Power per litre:58.3 Hp/l [61mm less]
Torque:542 Nm @ 3600 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:3.8 l
Coolant:16.1 l
Cylinder Bore:104.65 mm mm
Piston Stroke:85.85 mm mm
Compression ratio:10.25:1
Performance:
Fuel Type:Petrol (Gasoline)
Weight-to-power ratio:5.5 kg/Hp, 180.4 Hp/tonne
Weight-to-torque ratio:3.5 kg/Nm, 283.5 Nm/tonne
Space:
Kerb Weight:1912
Fuel tank capacity:87 l
Size:
Length:5552 mm mm [61mm less]
Width:1989 mm mm [3mm more]
Height:1397 mm mm [Same height.]
Wheelbase:3200 mm mm [Same wheelbase.]
Front track:1549 mm
Rear (Back) track:1516 mm
Front overhang:892 mm
Rear overhang:1461 mm
Ride height (ground clearance):140 mm
Minimum turning circle (turning diameter):15.1 m [above average]
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, 305 mm [bad for performance and cooling.]
Rear brakesDrum, 305 mm [bad for performance and cooling.]
Steering typeWorm-reduction unit
Front suspensionIndependent coil spring
Rear suspensionLeaf spring

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