1956 Cadillac Eldorado Biarritz Convertible

This 1956 Cadillac Eldorado Biarritz Convertible is a stunning example of postwar American luxury, now available at ACC Auctions. Cadillac introduced the Biarritz name in 1956 for its top-tier Eldorado convertible, with only around 2,150 built that year. It sat at the very peak of the GM lineup, crowned by sweeping shark-fin tailfins and the Eldorado-exclusive dual four-barrel 365 V8. Today, the ’56 Biarritz remains one of the most coveted exotic-class Cadillacs of the 1950s.

This example pairs deep Burgundy/Maroon paint with a vibrant Red interior. Thousands of dollars have recently gone into its mechanical systems, all backed by a full set of receipts. The result is a car that needs nothing, drives beautifully, and turns heads everywhere it goes. Whether you’re a seasoned collector or adding your first true 1950s icon, this Eldorado is a rare chance to own a genuine piece of Cadillac heritage.

Engine & Drivetrain

365 cubic-inch Cadillac V8
- The flagship engine of Cadillac’s mid-’50s lineup, known for smooth, effortless torque
Dual four-barrel carburetor setup
- An Eldorado-exclusive feature, rated at 305 horsepower from the factory
- Adds authority under the hood and strong appeal for collectors
New electronic ignition system
- Quick starts and dependable running without points maintenance
New radiator and radiator hoses
- Steady, reliable cooling on long cruises and warm summer days
New fuel lines throughout
- Clean, consistent fuel delivery from tank to carburetors
New exhaust system, front to back
- A refined engine note, exiting through the signature bumper exhaust ports
New battery
- Reliable starts every time you turn the key

Exterior

Rich Burgundy/Maroon paint
- A deep, lustrous finish that highlights the Eldorado’s long, sculpted lines
Iconic 1956 Eldorado styling
- Dramatic shark-fin tailfins and a commanding, low-slung profile
Gorgeous chrome and brightwork throughout
- Bumpers, trim, and accents shine beautifully from every angle
Exhaust tips exiting through the rear bumper
- A classic Cadillac design touch that draws a crowd at every show
New convertible top
- Fresh, clean fit for weatherproof cruising and a sharp top-up look
Two parade boots included
- One fitted in the back seat, one stored in the trunk
New tires
- A smooth, stable ride with a fresh, polished stance
Doors open and close perfectly
- Excellent body gaps reflect a solid, well-aligned car

Interior

Vibrant Red upholstery
- A bold, luxurious contrast to the Burgundy exterior
Dash pad in perfect condition
- A crisp, crack-free centerpiece for the cabin
Completely rebuilt instrument cluster
- Accurate, clear readings in a beautifully restored gauge panel
Courtesy lights all working correctly
- Small details that show the care this car has received
Abundant interior chrome
- Brilliant brightwork that captures the elegance of 1950s Cadillac design

Power Features & Convenience

Power steering
- Light, easy handling that makes this big Cadillac a pleasure to drive
Power windows
- A true luxury feature that was ahead of its time in 1956
Power convertible top
- All-new hydraulic pump and lines for smooth, dependable operation
Wipers converted from vacuum to electric
- Consistent wiper speed regardless of engine load, for safer driving

Brakes

Front disc brake conversion with rear drums
- Stronger, more confident stopping power for today’s traffic
New power brake booster
- Firm, responsive pedal feel with less effort
New master cylinder
- Fresh hydraulics that add peace of mind on every drive

Additional Info

First-year Eldorado Biarritz, with roughly 2,150 built for 1956
Exotic-class status as one of Cadillac’s most prestigious 1950s convertibles
Eldorado-exclusive 365 dual quad V8
Thousands of dollars in recent mechanical work
Complete receipts documenting the work performed
- Supports the car’s condition and long-term investment value
Full spare tire, recently replaced
Car needs nothing and is ready to enjoy right away
A big, impressive car, so plan for generous garage space

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