DeSoto Adventurer (1956)Greg Gjerdingen, CC BY 2.0, via Wikimedia Commons

DeSoto Adventurer Hardtop Coupe

1956 — USA

Post-War (1946-1959)AmericanV8 EngineMille Miglia EligibleNaturally Aspirated Legends1950s Americana
Engine5,916 cc V8 OHV 16V
Power345 hp
Torque400 lb-ft
Transmission3-speed automatic (TorqueFlite)
DrivetrainRWD
Body StyleCoupe
Weight3,975 lbs
0–60 mph7.7 sec
Top Speed130 mph
Production1,950 units
Original MSRP$3,997
BrakesDrum, 11-inch / Drum, 11-inch
SuspensionIndependent, torsion bars, upper and lower A-arms, anti-roll bar / Live axle, semi-elliptic leaf springs, telescopic shock absorbers

DeSoto Adventurer Hardtop Coupe

The DeSoto Adventurer, introduced in 1956, was Chrysler Corporation's effort to create a performance flagship within the DeSoto division that could rival the legendary Chrysler 300 "letter series" cars. Named after the original DeSoto Adventurer show car that had toured the auto show circuit, the production Adventurer combined serious performance hardware with Virgil Exner's stunning Forward Look design language to create one of the most powerful and beautiful American cars of the late 1950s.

The 1956 Adventurer debuted with a 341-cubic-inch Hemi V8 producing 320 horsepower, an impressive figure that ranked it among the most powerful production cars in America. But it was the 1957 model that truly established the Adventurer's performance credentials. The engine grew to 345 cubic inches and, equipped with dual four-barrel Carter WCFB carburetors, produced a remarkable 345 horsepower, one horsepower per cubic inch, a milestone that only the Chrysler 300C and a handful of Corvette engines could claim at the time.

Virgil Exner's Forward Look design gave the 1957 Adventurer a dramatic silhouette that was among the most beautiful of the finned era. The soaring tail fins, chrome-laden grille, and sweep-spear side trim created a look that was simultaneously aggressive and elegant. The Adventurer was distinguished from lesser DeSoto models by its gold-anodized sweep trim, unique wheel covers, and a distinctive tri-tone interior with gold and white accents. The effect was one of coordinated luxury that few competitors could match.

The TorqueFlite automatic transmission, introduced on the Adventurer in 1957, was a genuine engineering marvel. This push-button-operated three-speed automatic was widely regarded as the finest automatic transmission in the industry, with smooth, decisive shifts and excellent durability. The push-button controls, mounted on the left side of the dashboard, added a futuristic touch that complemented the car's space-age styling.

Performance was genuinely impressive. The Adventurer could accelerate from 0 to 60 mph in approximately 7.7 seconds and reach speeds approaching 130 mph, figures that were exceptional for a full-size American car weighing nearly 4,000 pounds. The dual four-barrel carburetor setup provided a dramatic surge of acceleration when the secondaries opened, making the Adventurer a formidable performer on both the highway and the drag strip.

The Adventurer continued through the 1960 and 1961 model years, but DeSoto's fortunes were declining rapidly. The brand had been caught in Chrysler Corporation's disastrous 1960 corporate restructuring, which saw DeSoto squeezed between Plymouth and Chrysler with an ever-shrinking market niche. Production numbers dropped precipitously, and the final 1961 Adventurer models were little more than warmed-over 1960s built in tiny quantities. DeSoto ceased production on November 30, 1960, making the final Adventurers among the last cars to carry the DeSoto nameplate.

The DeSoto Adventurer's rarity has made it increasingly collectible, particularly the 1957 and 1958 models with their stunning Forward Look styling and potent Hemi and wedge-head V8 engines. The 1957 model, with its one-horsepower-per-cubic-inch rating and arguably the most beautiful DeSoto design ever created, commands the highest premiums. The Adventurer represents a fascinating "what might have been" in American automotive history, a car that demonstrated DeSoto's potential to compete at the highest level of domestic performance, even as the brand itself was fading away.

$45,000 – $130,000

Rust is the primary concern, especially in the long rocker panels, floor pans, and trunk floor. The Forward Look body with its extensive trim is expensive to restore — verify all gold-anodized trim is present. The Hemi V8 (1956-57) is a desirable engine but parts are more expensive than the wedge-head (1958+). Verify the dual 4-barrel carburetor setup is complete and original. Push-button TorqueFlite transmissions should engage smoothly in all positions. The distinctive Adventurer interior trim and gold accents are extremely difficult to reproduce. Convertibles command enormous premiums over hardtops. Authenticating an Adventurer requires the data plate and broadcast sheet, as some lesser DeSotos have been cloned.

The Adventurer was produced from 1956 to 1961, with the 1957 and 1958 models being the most desirable. The 1956 model used the 341 Hemi V8 (320 hp), the 1957 used the 345 Hemi (345 hp), and the 1958 switched to a 361 wedge-head V8 (345 hp). Production numbers declined sharply: 1,950 in 1957, 432 hardtops and 82 convertibles in 1958. DeSoto ceased operations on November 30, 1960, after building approximately 3,000 cars for the abbreviated 1961 model year across all models.