1957 Cadillac Eldorado Seville for Sale With 500 Miles on the Build

The 1957 Eldorado Seville sat at the very top of Cadillac’s range, a dramatic, pillarless-hardtop flagship built in tiny numbers. This example wears a custom purple over a black and white interior, and it retains the exclusive dual-quad 365 V8. It sits on Cars and Bids at $6,000 with five days to go.

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What it’s worth right now

The rare Eldorado Seville commands strong money, with a wide spread by condition and originality. According to the Hagerty valuation guide and auction data, driver-quality examples generally trade from close to $35,000 into the $50,000s, with excellent restorations reaching into the $60,000s and $70,000s and a concours car having set a record at $150,000.

Fair value for a driver-grade example like this sits close to $32,000 to $55,000, most likely close to $40,000 to $48,000, with the rarity and dramatic styling supporting the figure and the notes below tempering it. At $6,000 with five days remaining and a reserve, the bidding should climb into that range.

Condition and details

The car is a usable driver, restored close to 15 years ago and now showing its age. Finished in purple over a black and white interior, it runs the exclusive dual-quad 365-cubic-inch V8, rated at 325 horsepower, through a Hydra-Matic automatic to the rear wheels, with the dramatic pillarless-hardtop roofline, Kelsey-Hayes Sabre alloy wheels, power steering, brakes, and windows, and added Vintage Air climate control. The odometer reflects the restoration miles, so treat it as build miles.

Several points deserve attention. The purple is a non-original color, and since color originality matters on these cars, a commenter noted it would need a repaint to present at its best, so weigh how the color affects appeal and value. Bidders asked whether the 365 V8 and the dual-quad carburetors are original or correct, and whether there had been prior rust repair to the floors, rockers, or trunk pan, and the dealer had not yet verified these, so confirm the drivetrain’s originality and any rust history before bidding.

There is also driver-grade wear, including scratches, interior wear, a door pull and armrest held together with zip ties, and interior door handles that come loose if the doors are shut too hard. The dealer charges an $85 document fee.

The offer

Interested in this 1957 Cadillac Eldorado Seville? View the listing here.

What makes the Eldorado Seville unique

The Eldorado was Cadillac’s halo model in the 1950s, and for 1957 the range-topping two-doors reached a spectacular peak. The Eldorado Seville was the pillarless hardtop coupe counterpart to the Biarritz convertible, sharing the same jaw-dropping, low-slung styling penned under GM design legend Harley Earl, with dramatic tailfins, exposed rear wheels, and a presence that defined the era’s optimism and excess. Just 2,100 Seville coupes were built for 1957, priced at a lofty $7,286 when a standard Cadillac cost far less, which made it an exclusive statement of arrival.

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Beyond the styling, the Eldorado backed up its flagship status with genuine mechanical exclusivity. Its 365-cubic-inch V8 wore dual four-barrel carburetors that gave it a 25-horsepower edge over lesser Cadillacs, and it rode on early Kelsey-Hayes Sabre alloy wheels, among the first mass-market alloys in the world, with power steering, brakes, and windows all standard. That combination of rarity, dramatic beauty, and top-tier engineering is exactly what makes the Eldorado Seville such a coveted piece of American automotive history.

My take

This is a genuinely special and rare car, and even as a driver-grade example it delivers the drama and presence that make the 1957 Eldorado Seville so desirable. The dual-quad V8, the pillarless styling, and the Sabre wheels are all here, and the added Vintage Air makes it more usable than a stock car. For a buyer who wants to enjoy a rare flagship Cadillac rather than show it, there is real appeal, particularly if the bidding stays sensible.

Fair value sits close to $32,000 to $55,000, most likely close to $40,000 to $48,000, with the non-original color, aging restoration, and driver-grade condition the main factors holding it below the best examples. Before bidding, confirm the originality of the engine and carburetors, establish any rust history, and get a thorough inspection given the dealer’s specifics are still being verified. Handle that, and this is a dramatic, rare slice of 1950s Americana to drive and enjoy.

Disclaimer: This post is for informational purposes only. We are not a dealership or broker. All vehicle specifications, pricing, and availability are subject to change without notice. We are not responsible for typographical errors, omissions, or the accuracy of the provided information. Please verify all details directly with the seller.

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This story was originally published September 6, 2026 at 10:12 AM.