309

Listed Now

$40,491

Avg. Asking Price

1934–2012

Year Range

Transmission Distribution

Automatic 50% ◄

Manual 35%

Condition Distribution

Excellent 12% ◄

Good 11%

Fair 4%

Poor 1%

Project 0%

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Mustang rust is everywhere and predictable. The torque boxes (front and rear, where the unibody meets the floor pans) are the structural killers, rotted torque boxes mean the car flexes under load and the doors won't close right. Cowl rust hides under the dashboard where the windshield base meets the firewall. Floor pans rust through from the underside in any car that lived north of the Mason-Dixon. Rear quarters, lower fenders behind the front wheels, and the trunk drop-offs are all standard rust zones. Mechanically, first-gen Mustangs are simple but the small details matter. The Toploader four-speed is bulletproof when synchronized properly; the C4 and C6 automatics are robust but commonly leak from front pump seals. The 9-inch rear is bombproof, but make sure the gear ratio matches what's claimed. Engine identification by casting numbers is essential: many cars wear the wrong block, and a 1968 GT 390 with a 1973 351W block is not what the seller is advertising. Electrical issues plague any 60-year-old car. The original wiring harnesses are brittle, the headlight switches fail, the gauges read inconsistently, and the turn signal switches die. Plan to replace the headlight switch, the ignition switch, and at least the engine-bay harness on any first-gen Mustang you buy. Budget $800-$1,500 for a complete electrical refresh.

Always start with the data plate (door tag) and the VIN. The fifth digit of the VIN is the engine code: A=289 4V, C=289 2V, D=289 standard, K=289 HiPo, F=302 2V, J=302 4V (Boss 302), M=351 4V, Q=428 CJ, R=428 SCJ Ram Air, S=390 4V, Z=Boss 429. Cross-reference the VIN engine code with the actual block casting number, they must agree. For any car claimed as a GT, Mach 1, Boss, Shelby, or Cobra Jet, demand a Marti Report. Marti Auto Works has Ford's original production records and can verify exactly what the car was when it left Dearborn or San Jose. A $25 Marti Report will save you $25,000 in mistakes. Cars without Marti documentation should be priced as clones, period. Unibody integrity is the other non-negotiable. Pop the hood, look at the shock towers, cracks radiating from the upper shock mount are common on Big Block cars and indicate the chassis has been beaten. Inspect the torque boxes from underneath. Lift the trunk mat and look at the trunk drop-offs. Pull the rear seat and check the floor where the seat bolts down. Fresh undercoating on a project car is a red flag, it's almost always hiding rust repairs.

Base 1965-1966 coupes with the inline-six or 289 2V remain the most accessible classic Mustang at $18,000-$32,000 for solid drivers. Convertibles add $8,000-$15,000 to equivalent coupe pricing. Fastbacks (1965-1968) are dramatically more valuable due to Bullitt and Eleanor pop-culture demand, a clean 1967-1968 fastback small-block runs $45,000-$75,000. 1967-1968 GT 390 cars (Bullitt-style) trade for $60,000-$110,000 with documentation. The 1968 GT 428 Cobra Jet is the holy grail of the small-bumper era at $120,000-$220,000 for documented numbers-matching cars. 1969-1970 Boss 302 and Mach 1 cars run $70,000-$140,000 depending on condition and equipment. The Boss 429 is six-figure-plus territory, $300,000-$600,000 for documented examples. 1971-1973 cars (the Big Body era) have historically been the bargain entry point but appreciation has accelerated since 2020. A clean 1973 Mach 1 with the 351 Cobra Jet now runs $45,000-$75,000, up dramatically from the $25,000 territory of a decade ago. Project cars (running but rough) start around $15,000 for coupes and $22,000 for fastbacks.

The Mustang was originally going to be called the Cougar: Lee Iacocca's team had "Cougar" emblems already produced before a focus group response prompted the last-minute name change. The Cougar name was eventually used for the Mercury sister car launched for 1967. Ford originally projected first-year Mustang sales of 100,000 units. The car sold 418,812 units in its abbreviated 18-month launch year, and over a million Mustangs were sold by March 1966, a sales pace that has never been equaled by any other American automobile launch. The iconic 1964½ designation isn't actually a real model year: Ford built the early Mustangs as 1965 models, but the cars produced before September 1964 had different alternators, generators, and other details, leading collectors to designate them "1964½" cars to distinguish them.