1955 Cadillac Fleetwood Series 75

4dr Sedan

8-cyl. 331cid/250hp 4bbl

#1 Concours condition#1 Concours
#2 Excellent condition#2 Excellent
#3 Good condition#3 Good

$23,600*

equal0%
#4 Fair condition#4 Fair
Value Graph04/2407/2410/24$5k$10k$15k$20kJan 2025
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1954-1956 Cadillac Fleetwood Series 75 stats
Highest sale
$275,000
Lowest sale
$9,180
Most recent sale
$32,293
Sales
12

Photos

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1955 Cadillac Fleetwood Series 75 Sedan
1955 Cadillac Fleetwood Series 75 Sedan
1955 Cadillac Fleetwood Series 75 Sedan
1955 Cadillac Fleetwood Series 75 Sedan
1955 Cadillac Fleetwood Series 75 Sedan
1955 Cadillac Fleetwood Series 75 Sedan
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Model overview

Model description

The Series 75 Fleetwood was Cadillac’s limited-production limousine and eight-passenger sedan, and featured an extended wheelbase for plenty of back-seat room and a “high headroom” taller passenger compartment. There was an optional interior partition with a power glass window that defined “Imperial Sedan” limousine models. The car’s prodigious passenger capacity came from two rear-facing jumpseats in the back seat footwell. The Series 75 Fleetwood was also available as a commercial chassis for use as a hearse or ambulance.

Engine power in the Series 75 was a 331-cid V-8 that delivered 230 horsepower. With a curb weight of 5,031 pounds and a wheelbase of 149.1 inches, the Fleetwood was far from a performance model. The commercial chassis featured an impressive 158-inch wheelbase. The standard transmission was a three-speed manual, but few of these were ever made. The optional four-speed Hydramatic automatic transmission was generally preferred.

Options were few and generally selected for sedans and limos, including air conditioner, heater, autronic eye automatic headlight dimmer, power brakes, and a radio, among other standard GM options. For 1954, 889 sedans, 611 imperial sedans (limousines), and 1,611 commercial chassis were produced.

For the 1955 model year, an increase in compression boosted engine output to 250 horsepower, and the brand-new twin-carburetor Eldorado engine with 270 horsepower was available as an option. Production of the Series 75 included 1,075 sedans, 841 limousines, and 1,975 commercial chassis in 1955.

Engine displacement increased to 365-cid in 1956 -- the last year of this generation of Series 75 -- and output was raised to 285. The Eldorado engine was again available at 305 horsepower. An improved version of the four-speed Hydramatic transmission debuted to great praise over its predecessor. Total production in 1956 was 1,095 sedans, 955 limousines, and 2,025 commercial chassis.

Outwardly, only minor trim changes distinguish any of the model years of this generation of the Series 75 Fleetwood. Collectors will likely prefer the limousine models from 1956 with the higher-horsepower engines and updated transmission, but as with all cars from this era, overall condition is paramount. While commercial chassis production was greater than passenger cars, surviving examples of these cars may be the rarest and most desirable of all.

Vehicle specifications

  • Shipping Weight5020 lbs
  • Vehicle Length237 in
  • Wheelbase - Inches149.8 in
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Common Questions

The value of a 1955 Cadillac Fleetwood Series 75 can vary greatly depending on its condition, mileage, options, and history. Typically, you can expect to pay around $24,500 for a 1955 Cadillac Fleetwood Series 75 in good condition with average spec.

Many factors can increase a car's value including excellent condition, exceptional originality, a recent restoration, low mileage, unique provenance, desirable options, popular or unique color choices, and excellent maintenance records. Upgrades and modifications that enhance performance or aesthetics can also add value.

Factors that can decrease a car's value include unusually high mileage, poor maintenance history, visible wear and tear, accidents or damage, title issues, and gaps in ownership history. Additionally, less popular color choices and extensive modifications that don't appeal to a broad audience can reduce value.

Mileage plays a significant role in a classic car’s value. Lower mileage usually increases value because it indicates a higher degree of originality, is rarer, and suggests less wear and tear. However, cars with exceptionally low mileage may also have maintenance needs due to lack of use. Whether someone should pay more for a vehicle with lower miles will depend on how they plan on using it, and the vehicle's specific condition.

The value of modified cars differs widely based on the type and quality of modifications. While some modifications can significantly increase value, especially performance enhancements and high-quality custom work, others may not add much or could even detract from the car’s value if they appeal to only a limited audience.

All prices shown here are based on various data sources, as detailed in About Our Prices. The Hagerty Price Guide is for informational purposes only and is not intended as financial advice. More information on how forecast models are calculated can be found on Forecasted Values page. For additional information and a complete description of benefits, visit hagerty.com/legal. Purchase of insurance not required for membership in HDC. Hagerty, Hagerty Valuation Tools & Hagerty Drivers Club are registered trademarks of The Hagerty Group LLC, ©2025 The Hagerty Group, LLC. All Rights Reserved. The Hagerty Group, LLC is a wholly owned subsidiary of Hagerty, Inc.