The DeSoto Fireflite III Two-Door Sportsman, powered by a 5.6-liter V8 engine and TorqueFlite automatic transmission, represented a significant offering in the American automotive landscape of 1956 and 1957. Positioned as a stylish and powerful coupe within the DeSoto lineup, it aimed to capture buyers seeking a blend of performance and comfort. This variant was part of the broader Fireflite III generation, which itself was a restyled iteration of the successful Fireflite model, building upon the foundation laid by its predecessors. The “Sportsman” designation denoted the two-door coupe body style, emphasizing a more youthful and sporty appeal compared to the four-door sedan.
Technical Specifications
| Brand | DeSoto |
| Model | Fireflite |
| Generation | Fireflite III Two-Door Sportsman |
| Type (Engine) | 5.6 V8 (295 Hp) TorqueFlite |
| Start of production | 1956 |
| End of production | 1957 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 6 |
| Doors | 2 |
| Fuel Type | Petrol (Gasoline) |
| Power | 295 Hp @ 4600 rpm |
| Power per litre | 52.8 Hp/l |
| Torque | 508 Nm @ 2800 rpm / 374.68 lb.-ft. @ 2800 rpm |
| Engine Model/Code | S26 |
| Engine displacement | 5588 cm3 / 341 cu. in. |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 96.01 mm / 3.78 in. |
| Piston Stroke | 96.52 mm / 3.8 in. |
| Compression ratio | 9.25:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Carburettor |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | OHV |
| Engine oil capacity | 4.7 l / 4.97 US qt | 4.14 UK qt |
| Coolant | 19.9 l / 21.03 US qt | 17.51 UK qt |
| Fuel tank capacity | 87 l / 22.98 US gal | 19.14 UK gal |
| Length | 5537 mm / 217.99 in. |
| Width | 1986 mm / 78.19 in. |
| Height | 1448 mm / 57.01 in. |
| Wheelbase | 3200 mm / 125.98 in. |
| Front track | 1549 mm / 60.98 in. |
| Rear (Back) track | 1516 mm / 59.69 in. |
| Front overhang | 879 mm / 34.61 in. |
| Rear overhang | 1458 mm / 57.4 in. |
| Ride height (ground clearance) | 137 mm / 5.39 in. |
| Minimum turning circle (turning diameter) | 13.1 m / 42.98 ft. |
| Approach angle | 17.7° |
| Departure angle | 13.3° |
| Ramp-over (brakeover) angle | 9.8° |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 3 gears, automatic transmission TorqueFlite |
| Front suspension | Independent coil spring |
| Rear suspension | Leaf spring |
| Steering type | Worm-reduction unit |
Powertrain & Engine Architecture
The heart of the Fireflite III Sportsman was the DeSoto S26 5.6-liter (341 cubic inch) V8 engine. This engine featured a cast iron block and aluminum cylinder heads, a common configuration for the era. It utilized a carbureted fuel system, typical of the mid-1950s, and an overhead valve (OHV) valvetrain. The 9.25:1 compression ratio contributed to the engine’s respectable 295 horsepower output at 4600 rpm and 374.68 lb-ft of torque at 2800 rpm. The TorqueFlite automatic transmission, a three-speed unit, was a key component of the powertrain. It was known for its smooth operation and durability, and it was a popular choice for buyers who preferred the convenience of an automatic over a manual transmission. The TorqueFlite was a relatively new design for Chrysler Corporation, introduced in 1956, and represented a significant advancement in automatic transmission technology.
Driving Characteristics
The combination of the 295 hp V8 and the TorqueFlite automatic provided a comfortable and capable driving experience. While not a sports car in the modern sense, the Fireflite III Sportsman offered brisk acceleration for its time. The automatic transmission, while smooth, did result in some power loss compared to a manual transmission equipped model. The gear ratios were optimized for cruising, making it well-suited for highway driving. However, kickdown for passing maneuvers could feel somewhat leisurely by today’s standards. The rear-wheel-drive layout and leaf spring rear suspension provided a stable ride, but it wasn’t particularly refined compared to vehicles with more modern independent rear suspension systems.
Equipment & Trim Levels
The Fireflite III Sportsman was generally well-equipped for the mid-1950s. Standard features included a spacious interior with comfortable bench seats, often upholstered in cloth and vinyl. The dashboard featured a combination of analog gauges, including a speedometer, fuel gauge, and temperature gauge. Power steering and power brakes were often included, though they could also be ordered as optional extras. Exterior trim included generous amounts of chrome, reflecting the styling trends of the era. Optional extras included a radio, heater, and air conditioning, which were considered luxury items at the time. Two-tone paint schemes were also popular, adding to the vehicle’s visual appeal.
Chassis & Braking
The Fireflite III Sportsman utilized a body-on-frame construction, typical of American cars of the period. The front suspension was independent, employing coil springs, while the rear suspension used a traditional leaf spring setup. This configuration provided a reasonable balance of ride comfort and handling. The braking system consisted of drum brakes on all four wheels. While adequate for the time, the drum brakes lacked the stopping power and fade resistance of disc brakes. Steering was accomplished via a worm-reduction unit, which provided relatively heavy but precise steering feel.
Market Reception & Comparison
The DeSoto Fireflite III Sportsman was generally well-received by automotive critics and consumers. It was praised for its stylish design, powerful engine, and comfortable ride. However, it faced stiff competition from other American manufacturers, including Ford, Chevrolet, and Plymouth. Compared to other DeSoto models, the Fireflite offered a step up in performance and luxury. The Fireflite was positioned above the Firedome in the DeSoto lineup, offering more horsepower and a more refined interior. Fuel economy, while not a primary concern for buyers in the 1950s, was typical for a large American car of the era – relatively low by modern standards. Reliability was generally good, though maintenance requirements were higher than those of more modern vehicles.
Legacy
The DeSoto Fireflite III Two-Door Sportsman represents a significant chapter in American automotive history. While DeSoto as a brand ultimately disappeared in 1961, the Fireflite models remain popular among collectors and enthusiasts. The 5.6-liter V8 engine is known for its durability and relatively simple design, making it a relatively easy engine to maintain and rebuild. Today, well-preserved examples of the Fireflite III Sportsman are highly sought after, representing a nostalgic reminder of the styling and performance of the 1950s. The TorqueFlite transmission, too, has proven to be a robust and reliable unit, contributing to the long-term viability of these classic vehicles.
