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Est: £67,349 - £82,315

1969 Buick GS 400 Convertible

United States • 2 Oct 2026 • Lot 119

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Vehicle Details

AI Listing Summary

A rare 1968 Buick GS 400 Convertible, documented with original build sheet and Protect-O-Plate. This car has undergone a no-expense-spared restoration and presents exceptionally well with just under 79,000 miles. It's a highly collectible model with desirable options like the M20 four-speed manual transmission.

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Condition 

9

Ground-up restoration, arrow-straight body, excellent presentation.

/ 10

Transmission:

Manual

Chassis No:

446679Y139816

Odometer:

78,681 miles

Reg Number:

[Reg Number]

RHD/LHD:

LHD

Chassis No.

444679Y139816



Buick GS 400 Convertible chassis number 139816 was assembled at Wilmington, Delaware during the second week of December 1968.

Its original build sheet survives together with a reproduction Monroney window sticker, and together they document a thoroughly considered order.

The buyer specified the M20 four-speed manual with floor shift and consolette, a choice just 213 GS 400 Convertible buyers made, then paired it with C60 air conditioning.

To that he added power steering, power front disc brakes, power windows, the F40 suspension ride and handling package, tinted glass, remote driver's mirror, AM/FM radio with rear speaker, electric clock, speed alert, and the deluxe steering wheel, bringing the original MSRP to $4,627.



The Fisher body plate records paint code 51, Twilight Blue, with trim 188 Black vinyl Strato bucket seats, the color combination it wears today.

Accompanying the car is a history file of extraordinary completeness, including the origi...

Points of note

£8,971

Lowest Price (Since 2020)

£30,441

Median Price (Since 2020)

£89,782

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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Top 10%

The mid-point of the vehicle's estimate places it in the top 10% of sold prices we've ever seen for the Buick GS 400

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Previous Sales

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MOT Information

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