1966 Ford Mustang Fastback 308 for Sale With 59,000 Miles ShownAutoblogJacob OlivaSat, September 19, 2026 at 4:39 PM UTCAdd us on GoogleAutoblog and Yahoo may earn commission from links in this article.Restomods are a tricky business, but this 1966 Mustang Fastback nails the sweet spot between old-school looks and modern muscle. The classic first-gen shape is all there, but under the skin, it's a different beast: a built 308 V8, Borg-Warner five-speed, and suspension upgrades all around. With just 59,000 miles showing, this Wimbledon White fastback is back on Bring a Trailer after a full overhaul in 2023 and some fresh maintenance in 2026.308-Powered 1966 Ford Mustang FastbackBring a TrailerWhat It's Worth Right NowClassic.com's market data for custom first-generation Ford Mustangs (1965–1966) shows just how broad the restomod market has become. Across 39 recorded sales, the average transaction sits at $123,076, while prices have ranged from $34,851 to as high as $770,000, depending on the build quality, originality, and mechanical upgrades. The current market benchmark sits at $91,901, with 22 comparable cars currently listed for sale.AdvertisementAdvertisementThat lands this Mustang in a pretty interesting spot. Forget your average C-code fastback—this one's loaded with performance gear, from the fresh 308 V8 (nearly 400 horses) to the five-speed swap. Similar builds have popped up for $120,000 to $170,000, while the tamer customs hang out in the $70,000-$90,000 bracket.308-Powered 1966 Ford Mustang FastbackBring a TrailerBut don't get too excited yet – the auction's just getting started. Right now, bidding sits at $25,500 with days to go, which is way below where these hot-rod fastbacks usually end up. Expect that number to climb before the dust settles.Condition and DetailsThis Mustang rolled out of Ford's Metuchen, New Jersey plant back in 1966. Fast forward to 2023, and it got the full spa treatment: stripped down, resprayed in Wimbledon White, and dressed up with red stripes and GT-inspired touches. Chrome bumpers, fog lights, GT badges, steel wheels, and dual exhausts keep things classic without going overboard.308-Powered 1966 Ford Mustang FastbackBring a TrailerStep inside and it's pure 1960s: red vinyl everywhere, woodgrain trim, Pony seat accents, Rally-Pac gauges, and a wood-rimmed wheel. There's a retro stereo and an SST shifter for a dash of modern convenience, but the vibe stays old-school.308-Powered 1966 Ford Mustang FastbackBring a TrailerThe real magic is under the hood. The 308 V8 got the works: forged guts, Ford Racing aluminum heads, Edelbrock intake and carb, ceramic headers, and a Pypes exhaust that lets it sing. The dyno says 398 horsepower and 377 lb-ft of torque. Power goes through a rebuilt Borg-Warner T5 five-speed and an 8-inch limited-slip with 3.55 gears. Suspension? Upgraded too – KYB shocks, lower stance, beefier sway bar, Borgeson power steering, and four-piston front discs.308-Powered 1966 Ford Mustang FastbackBring a TrailerAdvertisementAdvertisementThe OfferSpecificationDetailMakeFordModelMustang Fastback (First Generation)Year1966Mileage59,000 miles shown (TMU)EngineBuilt 308-cubic-inch V8Power398.1 horsepower / 377.2 lb-ftTransmissionBorg-Warner T5 five-speed manualDrive TypeRear-wheel drive with 8-inch limited-slip differentialExterior ColorWimbledon White with red stripesInterior ColorRed luxury vinylInterested in this 1966 Ford Mustang Fastback? View the listing here.What Makes the 1966 Ford Mustang Fastback UniqueThe first-generation Mustang fastback has always been one of the most desirable body styles from Ford's original pony car lineup. Its sweeping roofline, short rear deck, and sporty proportions made it an icon of the 1960s, and it remains one of the most popular foundations for custom builds today. Unlike many heavily modified classics, this example stays visually close to its factory appearance while adding meaningful performance upgrades underneath.308-Powered 1966 Ford Mustang FastbackBring a TrailerThe star of the show is that built 308 V8. Instead of going full race car, the builder went for a sweet spot: aluminum heads, forged internals, electronic ignition, and a five-speed to make it tough, reliable, and actually fun to drive today. With nearly 400 horsepower in a lightweight fastback, it'll run circles around any stock 289 Mustang from back in the day.Final ThoughtsThis Mustang is for anyone who wants classic American muscle without all the headaches of a bone-stock '60s drivetrain. The five-speed, better steering, upgraded suspension, and front discs mean you can actually enjoy it on weekends instead of wrestling with it.AdvertisementAdvertisementIt's also jumping into a hot collector market. Well-built, well-documented custom Mustangs like this one pull serious cash, and this car brings receipts: refurbishment records, dyno sheet, and fresh maintenance. Where it lands will come down to how much bidders value that mix of originality, smart mods, and proof of the work.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.This story was originally published by Autoblog on Sep 19, 2026, where it first appeared in the Car Buying section. 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