Image of 1946 Cadillac Series 60 Special Fleetwood, Note: These illustrations use artistic license and may differ from actual historical models.

Engine Specifications
Engine:	346 cu in (5.7 L) Monobloc V8
Displacement:	346 cu in (5.7 L)
Horsepower:	150 HP
Torque:	Estimated 283 lb-ft
Compression Ratio:	7.25:1
Ignition System:	Battery Ignition
Cooling System:	Liquid Cooled
Performance Specifications
0-60 Time:	Estimated 15 seconds
1/4 Mile Time:	Not available
Top Speed:	100 mph
Transmission and Drive
Drive Type:	Rear Wheel Drive
Transmission Type:	3-speed manual
Fuel and Efficiency
Fuel System Type:	Carburetor
MPG:	Estimated 10-12 MPG
Dimensions and Brakes
Brakes:	Drum Brakes
Wheelbase:	133.0 in (3,378 mm)
Weight:	4,700 lbs

1946 Cadillac Series 60 Special Fleetwood: Postwar Prestige

The 1946 Cadillac Series 60 Special Fleetwood brought a welcome dose of prewar elegance back to American roads after years of wartime production. Built by Cadillac, General Motors’ luxury marque, the Sixty Special was a high-status four-door sedan with Fleetwood coachwork, a powerful V8, and the long, low proportions that had made the model distinctive since its 1938 debut.

Its return was significant: civilian car production had been suspended during World War II, and the 1946 Cadillac was among the first new luxury cars available to Americans in the postwar era. The design was largely a refined continuation of the prewar car rather than an all-new postwar shape. That makes the 1946 model an especially appealing snapshot of Cadillac between two eras: it retains classic prewar cues and arrived just before the brand’s famous tailfins appeared on its 1948 models.

A detail that set the Sixty Special apart from many earlier luxury sedans was its clean, integrated bodywork. From the model’s early years, it helped popularize a more modern appearance without exposed running boards, giving the sedan a lower and more unified profile.

Fleetwood Styling and Cabin Craft

The Sixty Special’s exterior is all long hood, graceful roofline, and carefully balanced proportions. Its broad grille, substantial chrome bumpers, bright body-side trim, and rounded fenders give it a formal presence without looking overly ornate. The rear fenders flow into the body rather than appearing as separate appendages, while fender skirts on many examples add an especially smooth, dressed-up finish. The result is unmistakably a large Cadillac, but with a more tailored look than a limousine.

Fleetwood’s reputation rested on fine coachwork and carefully finished interiors. The cabin was spacious, with broad seating for passengers and quality upholstery in cloth and other trim combinations depending on specification. A well-preserved example may feature a richly finished dashboard, polished brightwork, and period-correct upholstery that feels appropriately substantial rather than delicate. Rear-seat comfort was a major part of the car’s appeal, making it suited to chauffeured use as well as owner-driven motoring.

Paint and upholstery choices varied with Cadillac’s model-year offerings and individual orders. Dark colors such as black, deep blue, and maroon suit the car’s formal character, while lighter finishes can make its sweeping body lines easier to appreciate. Original paint and interior combinations are worth verifying against factory records when possible, since restorations sometimes use attractive but incorrect colors.

The 1946 Series 60 Special was offered as a four-door sedan, not as a broad range of coupe and convertible body styles. That focused body choice is part of its identity: this was a premium, spacious sedan rather than a sporty personal car. Buyers could choose equipment and trim, and many cars were ordered with Cadillac’s Hydra-Matic automatic transmission, a notable convenience in an era when manual gearboxes were still common.

Engineering in a Changing Automotive Era

Under the hood is Cadillac’s 346-cubic-inch (5.7-liter) side-valve V8, generally rated at about 150 horsepower for this period. It was paired with a three-speed manual transmission or, on cars equipped with it, Cadillac’s Hydra-Matic automatic. The automatic was an important innovation for luxury motoring: it reduced the work of driving in traffic and helped make a large sedan feel more effortless.

The Sixty Special’s significance is not that the 1946 model introduced a completely new mechanical layout. Rather, it carried forward a successful formula at a pivotal moment. Cadillac paired a smooth, strong V8 with a comfortable chassis and polished appointments, while its designers continued the move toward integrated, streamlined bodies. The model helped reinforce the idea that a luxury sedan could be both formal and modern, without relying on separate running boards or purely upright styling.

Compared with many contemporaries, the Sixty Special offered a distinctive blend of size, refinement, and Cadillac prestige. Its influence is most visible in the continuing popularity of the full-size luxury sedan: a car designed to carry passengers in comfort while still giving the owner a strong sense of occasion.

V8 Performance and Road Manners

Period performance figures vary with transmission, condition, and testing method. As a practical guide, a healthy 1946 Sixty Special can reach roughly 90 to 95 mph, with a 0-to-60-mph time in the neighborhood of 16 to 18 seconds. Those are estimates, not modern test results, and the car’s purpose was relaxed, quiet progress rather than rapid acceleration.

The V8’s character is best understood as smooth and low-revving. It produces a deep, muted burble at idle and a subdued growl when asked to move the car briskly. With Hydra-Matic, acceleration feels especially easygoing because the driver does not need to work a clutch in traffic. The manual version offers a more traditional connection, though its controls and gearing reflect the driving habits of the 1940s.

On a rough road, the Cadillac’s long wheelbase and soft suspension help it glide over smaller bumps, although modern drivers may find the body moves more than that of a contemporary car. On winding roads, its size and weight are unmistakable. Steering takes more effort at low speeds, and the car responds best to smooth, deliberate inputs rather than quick changes of direction. Braking distances are also long by current standards, so leaving plenty of room is essential.

The overall experience is less about cornering precision and more about commanding a spacious, quiet machine. From behind the broad steering wheel, the driver gets a clear view over the long hood, a substantial seat, and a sense that the car prefers an unhurried pace.

Owning and Maintaining a 1946 Cadillac

Most surviving Sixty Specials are now collector cars, used for shows, weekend drives, tours, and vintage events rather than daily commuting. A well-sorted example can still cover miles comfortably, but regular use requires attention to age-related systems, parts availability, and the car’s slower braking and handling by modern standards.

Maintenance is manageable for an experienced classic-car owner, but this is a complex luxury vehicle, not a simple economy car. The 346 V8 is robust when properly maintained, and many mechanical components can be serviced by specialists familiar with prewar and postwar GM cars. The Hydra-Matic transmission, hydraulic brakes, cooling system, electrical components, and period-specific trim deserve careful inspection. Some replacement parts are available through specialist suppliers, while rare Fleetwood details may require patience, careful repair, or sourcing from donor cars.

Before buying, check for rust in the body structure and floor, evidence of poor repairs, engine condition, transmission operation, brake performance, and completeness of interior and exterior trim. A car that starts and moves under its own power is not necessarily roadworthy. A thorough inspection by a mechanic who understands vintage Cadillacs can prevent expensive surprises.

Little-Known Sixty Special Facts

The Sixty Special name dates to 1938, when Cadillac introduced it as a distinctive sedan developed with designer Bill Mitchell, who later became one of General Motors’ most influential styling leaders. The 1946 car continued that lineage and preserved the model’s role as a refined, driver-oriented alternative to the largest chauffeur-focused Cadillacs.

There is no widely recognized speed or endurance record associated specifically with the 1946 Series 60 Special. Its claim to fame is more closely tied to design and luxury-car history than competition. It also should not be confused with Cadillac’s later tailfin era: the 1946 car predates the rear fins that became a defining feature of late-1940s and 1950s Cadillacs.

One common criticism is that the car can feel cumbersome in tight spaces and slow to stop compared with modern vehicles. Its size, fuel consumption, and need for specialist attention are further realities of ownership. Those drawbacks are part of the trade-off for its imposing presence and period-correct driving character.

Collector Values and Rarity

Production estimates for the 1946 Series 60 Special are commonly placed at roughly 3,000 to 3,500 cars. That makes it far less common than a mass-market sedan of the period, though it is not as scarce as some limited-production coachbuilt cars. The number of intact, well-documented examples available at any one time is considerably smaller than the original production total suggests.

As a broad U.S. market estimate for 2026, a project car may fall around $10,000 to $20,000, while a usable driver might bring approximately $25,000 to $45,000. A well-restored, highly original, or exceptionally presented example could reach roughly $50,000 to $80,000 or more, depending on condition, documentation, and buyer interest. These are guide ranges rather than appraisals; unusual provenance and restoration quality can shift a sale substantially.

Values have generally been supported by the Sixty Special’s distinctive styling, Cadillac heritage, and relatively limited production. Like many prewar and immediate postwar classics, it tends to reward originality and sound workmanship more than expensive restoration alone. Prices can vary with broader collector-car conditions, and ownership costs may exceed any increase in market value.

Why the 1946 Cadillac Series 60 Special Matters

The 1946 Cadillac Series 60 Special Fleetwood is a handsome bridge between prewar luxury and the bold postwar styling that followed. Its Fleetwood finish, smooth 346 V8, available Hydra-Matic transmission, and graceful proportions made it a compelling expression of Cadillac’s return to civilian carmaking.

It is not a sports sedan, nor does it pretend to be. Its appeal lies in the quiet confidence of its design and the unhurried way it turns a drive into an occasion. More than a large old Cadillac, the 1946 Sixty Special is a rolling piece of automotive history from the moment America’s luxury-car industry began finding its postwar stride.