DeSoto Fireflite III Four-Door Sedan (facelift 1959) 6.3 V8 (325 Hp) TorqueFlite
Overall Rating
DeSoto Fireflite:
The DeSoto Fireflite is a full-size premium automobile which was produced by DeSoto in the United States from 1955 until 1960.
The Fireflite was introduced in 1955 as DeSoto's top trim package of the DeSoto Firedome. It was wider and longer than the Firedome, and came equipped with a hemispherical cylinder head, 291 cubic inch displacement V8 engine producing 200 hp when equipped with the 4-barrel carburetor , and PowerFlite automatic transmission. The transmission was operated by a Flite-Control lever located on the dashboard. The car weighed 4,070 lb and cost US$3,544. AM radio was a US$110 option....(Read more on Wikipedia)
III Four-Door Sedan (facelift 1959) Overview:
DeSoto Fireflite (III Four-Door Sedan (facelift 1959)). With 576 Nm of torque, it offers ample pulling power. With a weight of 1876 kg, it falls in the mid‑range. 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.
6.3 V8 (325 Hp) TorqueFlite Verdict:
Performance Verdict
The 6.3 V8 delivered robust performance for its time, providing ample power for highway cruising and confident acceleration, typical of large American luxury sedans.
Fuel Economy
Fuel economy was not a primary concern for this era or engine size; expect significant consumption, especially in city driving, typical of a large displacement V8.
Community Verdict
This rating is based on comments found on Reddit, scanned using artificial intelligence, and may not accurately reflect reality.

4.4 / 5
Based on AI analysis of 14 discussions
Read What Owners Say
Pros and Cons:
Pros:
- • Powerful and smooth 6.3 V8 engine for its era
- • Spacious and comfortable interior, ideal for long journeys
- • Distinctive and iconic late 1950s American styling
- • Smooth-shifting TorqueFlite automatic transmission
- • Strong collector appeal for classic car enthusiasts
Cons:
- • Very poor fuel economy by modern standards
- • Lacks modern safety features and crash protection
- • Handling and braking are not comparable to contemporary vehicles
- • Maintenance and parts availability can be challenging for a classic car
- • Large dimensions can make city driving and parking difficult
Specifications:
Specifications are compared to those of the previous generation(III Convertible (facelift 1958): 1957 - 1958).
| General: | |
|---|---|
| Brand: | DeSoto |
| Model: | Fireflite |
| Generation: | III Four-Door Sedan (facelift 1959) |
| Modification (Engine): | 6.3 V8 (325 Hp) TorqueFlite |
| Start of production: | 1958 |
| End of production: | 1959 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Sedan |
| Seats: | 6 |
| Doors: | 4 |
| Engine: | |
|---|---|
| Power: | 325 Hp @ 4600 rpm. |
| Power per litre: | 51.8 Hp/l |
| Torque: | 576 Nm @ 2800 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: | 5.8 kg/Hp, 173.2 Hp/tonne |
| Weight-to-torque ratio: | 3.3 kg/Nm, 307 Nm/tonne |
| Space: | |
|---|---|
| Kerb Weight: | 1876 |
| Fuel tank capacity: | 87 l |
| Size: | |
|---|---|
| Ramp-over (brakeover) angle: | 10.4° |
| Length: | 5616 mm mm [64mm more] |
| Width: | 1999 mm mm [10mm more] |
| Height: | 1450 mm mm [Same height.] |
| 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 Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears | 3 |
| Transmission type | Automatic |
| Gearbox type | TorqueFlite |
| Front brakes | Drum, 305 mm [bad for performance and cooling.] |
| Rear brakes | Drum, 305 mm [bad for performance and cooling.] |
| Steering type | Worm-reduction unit |
| Front suspension | Independent torsion bar, double wishbone |
| Rear suspension | Leaf spring |






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