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£26,061

350-Powered 1957 Austin-Healey 100-6 BN4 Roadster

Bring A Trailer • US • 9 Feb 2026

Market Position:

Mid-Market

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£26,061

350-Powered 1957 Austin-Healey 100-6 BN4 Roadster

US • 9 Feb 2026 • Lot #229473

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Vehicle Details

AI Listing Summary

This 1957 Austin-Healey 100-6 BN4 roadster features a 350ci Chevrolet V8 engine, Muncie four-speed manual gearbox, and a redone red leather interior. The car has a red and silver paint job and has had several modifications.

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Condition 

6

The car has moderate wear, light paint scratches and some reconditioning is required. This is due to the older refurbishment.

/ 10

2,500 miles

BN4L31184

United States

Manual

1957

Auction

£26,061

350-Powered 1957 Austin-Healey 100-6 BN4 Roadster

Bring A Trailer • US • 9 Feb 2026

Market Position:

Mid-Market

Track live values and receive listing alerts

Description

TMU 350ci Chevrolet V8 Holley Sniper EFI Setup Muncie Four-Speed Manual Gearbox Red & Silver Paint Red Soft Top & Tonneau Cover Red Leather Upholstery 15” Knock-Off Wire Wheels Wilwood Front Disc Brakes Wood-Rimmed Steering Wheel Hurst Shifter BMIHT Certificate & Partial Records Spare & Removed Parts This 1957 Austin-Healey 100-6 BN4 roadster that underwent a repaint, an interior refresh, and installation of a 350ci Chevrolet V8 backed by a Muncie four-speed manual gearbox as part of a build completed from 2009 to 2015.

It was acquired by the seller and subsequently fitted with Wilwood front disc brakes as well as a Holley EFI setup, a three-core radiator, an external oil cooler, and more as detailed below.

Finished in red and silver, the car features fiberglass rear quarter panels and rides on 15″ knock-off wire wheels.

Inside, 2+2 seating trimmed in red leather is accompanied by a wood-rimmed steering wheel paired with a Hurst shifter.

This 100-6 is now offered with a red soft ...

Price Analysis vs Other 100/6 BN4s

£2,670

Lowest Price (Since 2020)

£26,495

Median Price (Since 2020)

£60,243

Highest Price (Since 2020)

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World Record

If this vehicle sells at the mid-point of its estimate it will set a new world record for the [enter model]

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Mid-Market

Compared to previous sales, the sale price placed this vehicle in the mid-market for the 100/6 BN4.

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Lowest Price

If this vehicle sells at the mid-point of its estimate it will be the lowest price we've seen for the [enter model]

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Average Price

Compared to historical records, the sale price placed this vehicle squarely in the mid-market for the 100/6 BN4.

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Rare Sale

This vehicle comes to market rarely. In auction records we've only seen [enter number] sold before

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Icon

This vehicle is an icon of the game. Any collection would benefit from having one

Previous 100/6 BN4 Sales

MOT Information

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Latest MOT mileage:

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MOT History

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MOT Mileage Trend

Gallery

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Auction House Headquarters

Bring A Trailer

1300 22nd Street, Suite 200, San Francisco, California, 94107, US

Operating from San Francisco, California, Bring A Trailer is an online auction platform dedicated to classic, performance, and collector vehicles. They operate timed online auctions globally and provide vehicle consignment.

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