53-Year Family-Owned 1966 Ford Mustang GT Coupe Resurfaces on Bring a TrailerMotoriousElizabeth PuckettWed, September 23, 2026 at 1:00 PM UTCAdd us on Google53-Year Family-Owned 1966 Ford Mustang GT Coupe Resurfaces on Bring a TrailerA 1966 Ford Mustang GT coupe that spent more than half a century with a single family is back in front of bidders, this time as a listing on Bring a Trailer out of Hailey, Idaho. Finished in Springtime Yellow with a black vinyl roof and parchment vinyl upholstery, the coupe wears chassis number 6R07A187935 and comes with a clean Idaho title through a dealer consignment.According to the listing, the Mustang was purchased by the consignor's aunt in 1970, reportedly from the car's original owner, and it stayed in the family for the next 53 years before it first crossed the auction block on BaT in August 2023. That kind of unbroken ownership record is rare for a first-generation Mustang — Ford built more than 607,000 of them for the 1966 model year alone, and most changed hands many times over in the decades that followed.During that long family stewardship, the car was refurbished mechanically, with an overhauled suspension and drivetrain, rebuilt front disc and rear drum brakes, and a new dual exhaust system. Since the 2023 sale, the Mustang has been repainted in its original Springtime Yellow, had its weather seals replaced, and gotten a new battery. It's now offered with 30,000 miles showing on the odometer, though the seller notes the true mileage is unknown.AdvertisementAdvertisementPower comes from a 289ci V8 backed by a three-speed C4 automatic transmission, and the car carries a handful of period-friendly touches: power steering, front disc brakes, grille lights, 14-inch styled-steel wheels, and an aftermarket AM/FM cassette stereo. It's the kind of driver-quality GT coupe that's easy to enjoy on a Saturday cruise without worrying about matching every factory stamping.This isn't the only 1966 Mustang coupe Motorious has tracked through the auction circuit recently. A no-reserve 1966 Ford Mustang GT coupe headlined a Raleigh Classic sale, while a far wilder take, a supercharged 1966 Mustang coupe restomod, showed just how far the platform can be pushed with a 409ci V8 and a Paxton blower. For a broader look at what's out there right now, our rundown of the 10 coolest Mustangs for sale right now is a good place to start.Values for early Mustangs have held up better than most muscle cars through recent market swings. Hagerty's insurance data still lists the 1965-1966 Mustang as the most popular classic car in America, with strong interest from both Gen X (34%) and millennial (18%) owners. Hagerty's Valuation Tool for the 1966 Mustang GT is worth a look for anyone pricing out a coupe like this one — as a rule of thumb, Hagerty notes that four-speed manual cars tend to command roughly a 10 percent premium over automatics like this GT's C4, and documented originality or rare color combinations can push values higher still. Buyers should also budget for a close inspection of the unibody structure; Hagerty's own buying guide flags rust in the floors, frame rails, lower doors, and shock towers as the most common — and most expensive — problem on cars of this era.Bidding on this GT coupe currently sits at $16,250, with the auction set to end September 26. For more auction highlights like this one, check out Motorious' running list of the 10 coolest cars for sale on Bring a Trailer right now.⚡️ Read the full article on MotoriousSign up for the Motorious Newsletter. For the latest news, follow us on Facebook, Twitter, and Instagram.
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