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1956 Cadillac Eldorado Catalog and Classic Car Guide, Ratings and Features

Image of 1956 Cadillac Eldorado, sourced from www.hemmings.com , Image Link.

Performance Metrics

Performance: +60
Handling: +45
Ride Comfort: +85

Fundamental Metrics

Safety: +30
Maintenance and Upkeep: +50
Restoration Difficulty: +40

Emotional Appeal

Looks: +90
Collectability: +80
Historical Significance: +70

MMP Rating

7 /10
Engine Specifications
Engine: 365 cu in (6.0 L) OHV V8
Displacement: 365 cu in (6.0 L)
Horsepower: 305 hp
Torque: 400 lb-ft
Compression Ratio: 10.0:1
Ignition System: Distributor ignition system
Cooling System: Liquid-cooled
Performance Specifications
0-60 Time: Estimated 10 seconds
1/4 Mile Time: Estimated 17 seconds
Top Speed: 115 mph
Transmission and Drive
Drive Type: Rear-wheel drive
Transmission Type: 4-speed Hydra-Matic automatic
Fuel and Efficiency
Fuel System Type: Carburetor
MPG: Estimated 10-12 mpg
Dimensions and Brakes
Brakes: Drum brakes
Wheelbase: 129.5 in
Weight: 5000 lbs

Note: Specifications for classic cars are given to the best of our ability, considering the limited and variant data available.

1956 Cadillac Eldorado: The Pinnacle of Post-War Opulence

The 1956 Cadillac Eldorado doesn't just turn heads—it commands an audience. Born from the ambitious vision of General Motors, this automotive masterpiece emerged as a symbol of luxury and American ingenuity during an era when chrome and tailfins were the hallmarks of prestige. As the pinnacle of Cadillac's lineup, the Eldorado was a car that not only captured the spirit of its time but also set a new benchmark for opulence and grandeur.

Unique among its peers, the '56 Eldorado boasted a limited production run that included a body style known as the Biarritz convertible, making it an instant classic. It was in this year that Cadillac introduced the two-door Seville hardtop, which alongside the Biarritz, became icons of mid-century automotive design.

Design and Innovation: A Study in Elegance

The 1956 Eldorado's exterior styling was nothing short of breathtaking. With its bold, sleek lines and distinctive tailfins, it epitomized the optimism and forward-thinking design ethos of the 1950s. The car's front grille was a work of art, featuring intricate patterns that exuded a sense of grandeur unique to Cadillac.

Inside, passengers were enveloped in luxury with rich leather upholstery and opulent trimmings. The dashboard was a testament to craftsmanship, with every dial and switch meticulously designed for both function and form. Technological features such as power windows, power seats, and even air conditioning were available—amenities that were far from standard at the time.

Color options ranged from deep, lustrous blacks to vibrant hues that captured the era's exuberance. Among these, the striking "Mandarin Red" proved to be a popular choice for those looking to make a statement on the road.

The most iconic body style was undoubtedly the Biarritz convertible—a symbol of luxury that remains highly sought after by collectors today.

Historical Significance: A Legacy Cast in Chrome

The 1956 Eldorado didn't just represent Cadillac's commitment to luxury; it also showcased their dedication to innovation. With features like dual four-barrel carburetors and an advanced suspension system, it set new standards for performance and comfort in high-end automobiles.

This vehicle stood apart from its contemporaries not only in terms of features but also in its cultural impact. It became synonymous with success and social status, influencing automotive trends for years to come.

Performance and Handling: A Smooth Operator

The '56 Eldorado was powered by a 365 cubic inch V8 engine that produced an impressive 305 horsepower—a remarkable figure for its time. This powerhouse could propel the car to top speeds that rivalled sports cars of the era while maintaining a level of smoothness befitting a luxury cruiser.

On the road, drivers enjoyed a serene experience as they glided over imperfections with ease. The combination of power steering and a refined suspension meant that even on windy roads or during spirited driving sessions, the Eldorado remained composed and dignified.

The symphony of its engine provided an auditory backdrop that complemented its stately presence—a deep rumble that hinted at its capabilities without ever becoming intrusive.

Ownership Experience: More Than Just a Car

The 1956 Eldorado was more than just transportation; it was an experience. Owners often used their vehicles for special occasions or as weekend cruisers rather than daily drivers. Maintenance required attention to detail but was manageable for those who appreciated fine machinery.

Fun Facts: The Eldorado's Legacy

This Cadillac model has graced the garages of celebrities and has made appearances in numerous films—cementing its status as an icon of American culture. While not known for breaking speed records, it certainly set benchmarks for luxury car sales despite common criticisms about its fuel consumption and sheer size.

Collector's Information: An Investment in Automotive Royalty

Today, a well-preserved 1956 Cadillac Eldorado can fetch significant sums at auction with values ranging widely based on condition, provenance, and originality. Estimates suggest that fewer than 4,000 units were produced across both Biarritz and Seville styles combined. As such, prices tend to appreciate over time with some models commanding upwards of six figures depending on their rarity and historical significance.

Conclusion: A Testament to Timeless Elegance

The 1956 Cadillac Eldorado remains one of the most evocative symbols of America's golden age of automobile manufacturing—a testament to timeless elegance and enduring appeal. For collectors and enthusiasts alike, owning an Eldorado is not just about possessing a piece of history; it's about preserving the legacy of what many consider to be one of the finest cars ever produced by Cadillac.

1956 Cadillac Eldorado Catalog of Parts

1956 Cadillac Eldorado Upper Door Hinge Seals.  Straight section 13-1/2 long-ALP 1 1956 Cadillac Eldorado Upper Door Hinge Seals. Straight section 13-1/2" long-ALP 1Upper Door Hinge Seals. Straight section 13-1/2" long. Curved hook section 6" long, with 2 holes. Includes four clips. Pair R & L.

1956 Cadillac Eldorado Upper Door Hinge Seals.  Straight section 16-3/4 long-ALP 1-A 1956 Cadillac Eldorado Upper Door Hinge Seals. Straight section 16-3/4" long-ALP 1-AUpper Door Hinge Seals. Straight section 16-3/4" long. Square hooked section 6-1/4" long. Includes four clips. Pair R & L.

1956 Cadillac Eldorado Auxiliary Door Seal-ALP 4 1956 Cadillac Eldorado Auxiliary Door Seal-ALP 4Auxiliary Door Seal. Used on cowl at door belt line, for front door opening. Acts as seal and water drain. 12-1/2" long. Pair R&L

1956 Cadillac Eldorado Body mount bracket pad with shoulder-BC 54 1956 Cadillac Eldorado Body mount bracket pad with shoulder-BC 54Body mount bracket pad with shoulder, includes steel tube mounting insert, '54-'65 Cadillac 'C' & 'D' body 2 & 4 door models except '56-'60 convertibles, each. Replace OEM #'s 1461768 & 1476996.

1956 Cadillac Eldorado Dust Boot Vacuum Booster-BL 17 1956 Cadillac Eldorado Dust Boot Vacuum Booster-BL 17Dust Boot Vacuum Booster. 3-1/8" square base, 5/16" top hole, 1-3/4" bottom hole. Each

1956 Cadillac Eldorado Shock Absorber Grommet.  1 bottom O.D., 3/4 high-BN 1 1956 Cadillac Eldorado Shock Absorber Grommet. 1" bottom O.D., 3/4" high-BN 1Shock Absorber Grommet. 1" bottom O.D., 3/4" high., with 7/16" I.D. Each

1956 Cadillac Eldorado Spring and Shackle Bushing.  1-1/8 bottom O.D-BN 17 1956 Cadillac Eldorado Spring and Shackle Bushing. 1-1/8" bottom O.D-BN 17Spring and Shackle Bushing. 1-1/8" bottom O.D. X 1-3/4" high, with 5/8" I.D. Each

1956 Cadillac Eldorado Front Stabilizer End Repair Kit-BNK 23 1956 Cadillac Eldorado Front Stabilizer End Repair Kit-BNK 23Front Stabilizer End Repair Kit. 22-piece set for two stabilizer bars. Contains all rubber bushings, washers, bolts and nuts, enough for one front end. Set

1956 Cadillac Eldorado Door Side Seal ('64-'66 some models)-C/LP 40-D 1956 Cadillac Eldorado Door Side Seal ('64-'66 some models)-C/LP 40-DDoor Side Seal ('64-'66 some models). Smooth skin-covered sponge with clips already installed, 4" apart. For seal without clips, see LP 40-D. Sold by the foot.



1956 Cadillac Eldorado Upper Door Hinge Post Bumper.  Held by screw-DB 60-A 1956 Cadillac Eldorado Upper Door Hinge Post Bumper. Held by screw-DB 60-AUpper Door Hinge Post Bumper. Held by screw. 7/8" diameter X 1/8" thick. Each

1956 Cadillac Eldorado Center Division Bar Seal and Retainer-DP 16 1956 Cadillac Eldorado Center Division Bar Seal and Retainer-DP 16Center Division Bar Seal and Retainer. Made to original specifications to accommodate chrome molding. 17-1/2" long. Each

1956 Cadillac Eldorado Door, Hood and Trunk Bumper Cap for adjustment bolt-HA 5 1956 Cadillac Eldorado Door, Hood and Trunk Bumper Cap for adjustment bolt-HA 5Door, Hood and Trunk Bumper Cap for adjustment bolt. 7/8" diameter X 7/16" thick. Each




1956 Cadillac Eldorado Trip Meter Reset Knob.  Made of black rubber-KN 10 1956 Cadillac Eldorado Trip Meter Reset Knob. Made of black rubber-KN 10Trip Meter Reset Knob. Made of black rubber. Compare to measurements: 1/8" I.D., 7/16" O.D. X 1/2" tall. Each

1956 Cadillac Eldorado Roof Rail Seals Two 6' pieces.  No steel insert.  May fit some models Pair-LP 110-B 1956 Cadillac Eldorado Roof Rail Seals Two 6' pieces. No steel insert. May fit some models Pair-LP 110-BRoof Rail Seals. No steel insert. May fit some models. Two 6' pieces. Pair

1956 Cadillac Eldorado Door Side Seal-LP 40-D 1956 Cadillac Eldorado Door Side Seal-LP 40-DDoor Side Seal, Without Clips ('64-'66 some models) For seal with clips, see C/LP 40-D. Sold by the foot

1956 Cadillac Eldorado Starter Solenoid Boot-RP 1-W 1956 Cadillac Eldorado Starter Solenoid Boot-RP 1-WStarter Solenoid Boot. Solenoid plunger starter switch at starter. Each

1956 Cadillac Eldorado Door Lock Knob.  Made of Black rubber, self-threading-RP 304-A 1956 Cadillac Eldorado Door Lock Knob. Made of Black rubber, self-threading-RP 304-ADoor Lock Knob. Made of Black rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1956 Cadillac Eldorado Door Lock Knob.  Made of Slate Blue rubber, self-threading-RP 304-C 1956 Cadillac Eldorado Door Lock Knob. Made of Slate Blue rubber, self-threading-RP 304-CDoor Lock Knob. Made of Slate Blue rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1956 Cadillac Eldorado Door Lock Knob.  Made of Navy Blue rubber, self-threading-RP 304-D 1956 Cadillac Eldorado Door Lock Knob. Made of Navy Blue rubber, self-threading-RP 304-DDoor Lock Knob. Made of Navy Blue rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1956 Cadillac Eldorado Door Lock Knob.  Made of Silver Blue rubber, self-threading-RP 304-E 1956 Cadillac Eldorado Door Lock Knob. Made of Silver Blue rubber, self-threading-RP 304-EDoor Lock Knob. Made of Silver Blue rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1956 Cadillac Eldorado Door Lock Knob.  Made of Fawn colored rubber, self-threading-RP 304-F 1956 Cadillac Eldorado Door Lock Knob. Made of Fawn colored rubber, self-threading-RP 304-FDoor Lock Knob. Made of Fawn colored rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1956 Cadillac Eldorado Door Lock Knob.  Made of Olive Green rubber, self-threading-RP 304-G 1956 Cadillac Eldorado Door Lock Knob. Made of Olive Green rubber, self-threading-RP 304-GDoor Lock Knob. Made of Olive Green rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1956 Cadillac Eldorado Door Lock Knob.  Made of Yellow rubber, self-threading-RP 304-H 1956 Cadillac Eldorado Door Lock Knob. Made of Yellow rubber, self-threading-RP 304-HDoor Lock Knob. Made of Yellow rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1956 Cadillac Eldorado Door Lock Knob.  Made of White rubber, self-threading-RP 304-I 1956 Cadillac Eldorado Door Lock Knob. Made of White rubber, self-threading-RP 304-IDoor Lock Knob. Made of White rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1956 Cadillac Eldorado Door Lock Knob.  Made of Silver rubber, self-threading-RP 304-J 1956 Cadillac Eldorado Door Lock Knob. Made of Silver rubber, self-threading-RP 304-JDoor Lock Knob. Made of Silver rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1956 Cadillac Eldorado Door Lock Knob.  Made of Medium Brown rubber, self-threading-RP 304-K 1956 Cadillac Eldorado Door Lock Knob. Made of Medium Brown rubber, self-threading-RP 304-KDoor Lock Knob. Made of Medium Brown rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1956 Cadillac Eldorado Door Lock Knob.  Made of Wedgwood rubber, self-threading-RP 304-L 1956 Cadillac Eldorado Door Lock Knob. Made of Wedgwood rubber, self-threading-RP 304-LDoor Lock Knob. Made of Wedgwood rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1956 Cadillac Eldorado Door Lock Knob.  Made of Teal Green rubber, self-threading-RP 304-M 1956 Cadillac Eldorado Door Lock Knob. Made of Teal Green rubber, self-threading-RP 304-MDoor Lock Knob. Made of Teal Green rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1956 Cadillac Eldorado Door Lock Knob.  Made of Moss Green rubber, self-threading-RP 304-N 1956 Cadillac Eldorado Door Lock Knob. Made of Moss Green rubber, self-threading-RP 304-NDoor Lock Knob. Made of Moss Green rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1956 Cadillac Eldorado Door Lock Knob.  Made of Ember glow rubber, self-threading-RP 304-O 1956 Cadillac Eldorado Door Lock Knob. Made of Ember glow rubber, self-threading-RP 304-ODoor Lock Knob. Made of Ember glow rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1956 Cadillac Eldorado Door Bumper.  Made with twin retainers-SB 32 1956 Cadillac Eldorado Door Bumper. Made with twin retainers-SB 32Door Bumper. Made with twin retainers. 3/4" high X 1/2" wide X 15/16" long. Each

1956 Cadillac Eldorado Trunk Bumper.  Fits lower corner on decklid.  15/16 O.D-SB 34 1956 Cadillac Eldorado Trunk Bumper. Fits lower corner on decklid. 15/16" O.D-SB 34Trunk Bumper. Fits lower corner on decklid. 15/16" O.D., 11/16" high. Each

1956 Cadillac Eldorado Fuel Door Bumper.  Held by screw.  1/2 X 1/2 X 1/4-SB 65 1956 Cadillac Eldorado Fuel Door Bumper. Held by screw. 1/2" X 1/2" X 1/4"-SB 65Fuel Door Bumper. Held by screw. 1/2" X 1/2" X 1/4". Pair

1956 Cadillac Eldorado Side Window Bumper-SB 98 1956 Cadillac Eldorado Side Window Bumper-SB 98Side Window Bumper. For side window glass in vent frame at top of window. Made with steel core like original. Replaces OEM #4180904-5. Pair R&L

1956 Cadillac Eldorado Speedometer Cable / Utility Grommet-SM 2 1956 Cadillac Eldorado Speedometer Cable / Utility Grommet-SM 2Speedometer Cable / Utility Grommet. Fits 3/4" to 13/16" hole. 3/16" center hole. Each




1956 Cadillac Eldorado Special Purpose Grommet-SM 4 1956 Cadillac Eldorado Special Purpose Grommet-SM 4Special Purpose Grommet. For firewall, fuel gauge wire, horn wire, hood latch cable and fresh air cable. Fits 1/2" hole. 1/8" center hole. Each

1956 Cadillac Eldorado Heater Control Valve Gasket.  Made of closed cell sponge-SM 500 1956 Cadillac Eldorado Heater Control Valve Gasket. Made of closed cell sponge-SM 500Heater Control Valve Gasket. Made of closed cell sponge. Each


1956 Cadillac Eldorado Headlight Wire Grommet-SM 57 1956 Cadillac Eldorado Headlight Wire Grommet-SM 57Headlight Wire Grommet. Used with square clip (not included). Fits 7/8" hole. 7/16" center hole. Each

1956 Cadillac Eldorado Firewall and Utility Grommet.  Fits 3/4 hole.  3/16 I.D-SM 8 1956 Cadillac Eldorado Firewall and Utility Grommet. Fits 3/4" hole. 3/16" I.D-SM 8Firewall and Utility Grommet. Fits 3/4" hole. 3/16" I.D. Each

1956 Cadillac Eldorado Unbeaded Door and Trunk Lock Gasket.  1-3/16 O.D., 7/8 I.D-UM 1600-100 1956 Cadillac Eldorado Unbeaded Door and Trunk Lock Gasket. 1-3/16" O.D., 7/8" I.D-UM 1600-100Unbeaded Door and Trunk Lock Gasket. 1-3/16" O.D., 7/8" I.D. Each

1956 Cadillac Eldorado Vertical Seal for Vent Window.  Each is 17 long.  Pair-VS 2 1956 Cadillac Eldorado Vertical Seal for Vent Window. Each is 17" long. Pair-VS 2Vertical Seal for Vent Window. Each is 17" long. Pair

1956 Cadillac Eldorado Flexible glass-run channel-WC 11-72 1956 Cadillac Eldorado Flexible glass-run channel-WC 11-72Flexible glass-run channel. Mohair lined, cloth covered with stainless steel bead. Used on side windows. 72 in. long. Each. NOTE: $20 special shipping charge applies for domestic orders. Call or email for overseas shipping costs. Part can be sectioned in two equal lengths to reduce overseas shipping costs.

1956 Cadillac Eldorado Rigid division-bar channel. Made with Zinc-plated bead-WC 1-72 1956 Cadillac Eldorado Rigid division-bar channel. Made with Zinc-plated bead-WC 1-72Rigid division-bar channel. Made with Zinc-plated bead. Used on lower side windows. 72 in. long. Each. NOTE: $20 special shipping charge applies for domestic orders. Call or email for overseas shipping costs. Part can be sectioned into two equal lengths to reduce overseas shipping costs.

1956 Cadillac Eldorado Rigid division-bar channel. Made with Zinc-plated bead-WC 1-96 1956 Cadillac Eldorado Rigid division-bar channel. Made with Zinc-plated bead-WC 1-96Rigid division-bar channel. Made with Zinc-plated bead. Used on lower side windows. 96 in. long. Each. NOTE: $20 special shipping charge applies for domestic orders. Call or email for overseas shipping costs. Part can be sectioned in two or three equal lengths to reduce overseas shipping costs.

1956 Cadillac Eldorado Rigid division-bar channel. Made with stainless steel bead-WC 2-72 1956 Cadillac Eldorado Rigid division-bar channel. Made with stainless steel bead-WC 2-72Rigid division-bar channel. Made with stainless steel bead. 72 in. long. Each. NOTE: $20 special shipping charge applies for domestic orders. Call or email for overseas shipping costs. Part can be sectioned into two equal lengths to reduce overseas shipping costs.

1956 Cadillac Eldorado Flexible sweeper. Made with stainless steel bead-WC 8-72 1956 Cadillac Eldorado Flexible sweeper. Made with stainless steel bead-WC 8-72Flexible sweeper. Made with stainless steel bead. Used on inner and outer beltlines. Also forms easily for use with sliding quarter windows. 72 in. long. Each. NOTE: $20 special shipping charge applies for domestic orders. Call or email for overseas shipping costs. Part can be sectioned into two equal lengths to reduce overseas shipping costs.

1956 Cadillac Eldorado Front Suspension Bumper.  For lower arm.  2 O.D-XB 22 1956 Cadillac Eldorado Front Suspension Bumper. For lower arm. 2" O.D-XB 22Front Suspension Bumper. For lower arm. 2" O.D., 2-1/8" high. Each

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  • Expert Craftsmanship & Quality: Each part is a testament to our dedication to reliability and perfection, crafted from original designs and thoroughly tested.
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