1. 1965 Ford Mustang Shelby GT350: The GT350 was created in 1965 by Carroll Shelby and is one of the most sought-after Mustangs ever made. It featured a 289 cubic-inch V8 engine, a 4-speed manual transmission, and unique performance features such as front disc brakes and a heavy-duty suspension.
2. 1967 Ford Mustang Shelby GT500: The GT500 was introduced in 1967 and was considered the ultimate muscle car of its era. It came with a massive 428 cubic-inch V8 engine, a 4-speed manual transmission, and an upgraded suspension and braking system.
3. 1968 Ford Mustang Bullitt: The Bullitt Mustang was made famous by the 1968 movie of the same name starring Steve McQueen. It featured a 390 cubic-inch V8 engine, a 4-speed manual transmission, and a unique "Dark Highland Green" paint color.
4. 1969 Ford Mustang Boss 429: The Boss 429 was introduced in 1969 and was designed to compete in the Trans Am racing series. It featured a 429 cubic-inch V8 engine, a 4-speed manual transmission, and a powerful engine with a solid lifter camshaft.
5. 1971 Ford Mustang Mach 1: The Mach 1 was a high-performance Mustang that was produced from 1969 to 1971. It came with a variety of engine options and featured unique styling cues, such as a front spoiler, hood scoop, and rear spoiler.
6. 1993 Ford Mustang SVT Cobra R: The SVT Cobra R was introduced in 1993 and was designed to be a track-focused Mustang. It featured a 5.0-liter V8 engine, a 5-speed manual transmission, and a host of performance upgrades such as a modified suspension and brakes.
7. 2000 Ford Mustang SVT Cobra R: The 2000 SVT Cobra R was the last of the SVT Cobra R models and is regarded as one of the most collectible Mustangs of the modern era. It had a supercharged 5.4-liter V8 engine, a 6-speed manual transmission, and came in a vibrant "Mystic Silver" paint color.
8. 2003 Ford Mustang Mach 1: The Mach 1 was revived in 2003 and featured a 4.6-liter V8 engine, a 5-speed manual transmission, and a unique appearance with a front spoiler and rear spoiler.
These are just a few of the many collectible Mustang cars that are highly sought-after by enthusiasts and collectors around the world.