DeSoto Adventurer I Convertible (facelift 1959) 6.3 V8 (350 Hp) TorqueFlite


Overall Rating

7.9 / 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 4.6 / 5

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)

I Convertible (facelift 1959) Overview:

DeSoto Adventurer (I Convertible (facelift 1959)). With 576 Nm of torque, it offers ample pulling power. With a weight of 2000 kg, it falls in the mid‑range. Rear‑wheel drive offers dynamic handling and sporty feedback. A convertible car with a retractable roof, offering open-air driving experiences. 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.

6.3 V8 (350 Hp) TorqueFlite Verdict:

Rating 5 stars

Performance Verdict

This 6.3L (383 cu in) V8 engine delivered exceptional power for its era, providing robust acceleration and effortless highway cruising. The 350 Hp, combined with the smooth TorqueFlite automatic transmission, offered a truly exhilarating and luxurious driving experience.

Fuel Economy

As expected for a large displacement V8 from the late 1950s, fuel economy was not a priority and is considerably low by modern standards. Owners should anticipate high fuel consumption, typical of classic American muscle and luxury cars.

Best Use Case: Highway cruising, classic car shows, weekend drives.

reddit Community Verdict

This rating is based on comments found on Reddit, scanned using artificial intelligence, and may not accurately reflect reality.

Allowed: 80% Neutral: 20% Issues: 0%
rating
4.6 / 5

Based on AI analysis of 5 discussions

Read What Owners Say
😐 NEUTRAL
What can you say on the comfort of the interior? Have heard some knocks on the 1958 for being too plastic compared to the other trims. Coming from an FJ I’m used to a plastic interior, just would expect a little more for the entry price.
👍 POSITIVE
Me on the same boat Bought in april 2025 Completed 5k in 5 months 😅 Its always fun to ride Power is really good at this price No issues faced so far Engine is slightly better then older variants 2023
👍 POSITIVE
Amazing motorcycle it is, loving it every day. I faced the same thing with the battery, got dead after 2.5 years after not using it due to health reasons. I have clocked 20k kms so far, the stock CEAT tyres were good initially, now I'm losing a bit of confidence, planning to go for reise. The OBD 2 got the slipper clutch and thanks to the engine braking, both the brake pads did and are doing well,
👍 POSITIVE
Nice Post. Got the 2025 Variant and completed 1000 kms. its been a fun ride so far. Can you tell how do you lube the chain without the centre stand?
👍 POSITIVE
Hi. I own one as well, bought it 2nd hand . 2023 model with 7k kilometers on it. The funny thing is I don't take it for offroading but needed this bike as roads are not very good in the city I stay in. It is a nice bike. I was also planning to get rid of all the guards. Thanks for letting me know the bike feels more nimble. Because I need that for city rides. Ride safe and enjoy each eide.


Pros and Cons:

Pros:

  • • Iconic 1950s American styling and presence
  • • Powerful 6.3L V8 engine offers strong performance for its time
  • • Luxurious and comfortable ride quality, ideal for cruising
  • • Relatively rare and highly collectible convertible model
  • • Smooth and reliable TorqueFlite automatic transmission

Cons:

  • • Very poor fuel economy due to large V8 engine
  • • Lack of modern safety features and driver aids
  • • Maintenance can be complex and parts availability challenging
  • • Large dimensions make it less practical for city driving and parking
  • • High acquisition and running costs for a classic car

Specifications:

Specifications are compared to those of the previous generation(I Convertible (facelift 1958): 1957 - 1958).

General:
Brand:DeSoto
Model:Adventurer
Generation:I Convertible (facelift 1959)
Modification (Engine):6.3 V8 (350 Hp) TorqueFlite
Start of production:1958
End of production:1959
Powertrain Architecture:Internal Combustion engine
Body type:Cabriolet, Coupe
Seats:6
Doors:2
Engine:
Power:350 Hp @ 5000 rpm.
Power per litre:55.8 Hp/l
Torque:576 Nm @ 3600 rpm.
Engine displacement:6276
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:15.1 l
Cylinder Bore:107.95 mm mm
Piston Stroke:85.85 mm mm
Compression ratio:10.1:1
Performance:
Fuel Type:Petrol (Gasoline)
Weight-to-power ratio:5.7 kg/Hp, 175 Hp/tonne
Weight-to-torque ratio:3.5 kg/Nm, 288 Nm/tonne
Space:
Kerb Weight:2000
Fuel tank capacity:87 l
Size:
Ramp-over (brakeover) angle:10.4°
Length:5616 mm mm [64mm more]
Width:1999 mm mm [10mm more]
Wheelbase:3200 mm mm [Same wheelbase.]
Front track:1549 mm
Rear (Back) track:1516 mm
Front overhang:889 mm
Rear overhang:1527 mm
Ride height (ground clearance):142 mm
Minimum turning circle (turning diameter):15.2 m [above average]
Approach angle:15°
Departure angle:11°
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 torsion bar, double wishbone
Rear suspensionLeaf spring

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