From wild mid-engine experiments and Italian coachbuilt one-offs to aviation-themed charity cars and record-chasing EVs, the Ford Mustang has spent six decades living a double life: one you see in showrooms, and one that exists in design studios, wind tunnels, and race shops around the world. This article is a complete tour of that hidden history—a chronological guide to Mustang concepts, prototypes, and specials that never made it to mass production but helped shape the cars

Having inspired the legendary C2 ‘Sting Ray’ Corvette of 1963, the 1959 Corvette Stingray concept car was one of the forefathers of an...

CERV stands for Chevrolet Engineering Research Vehicle. The 1960 CERV-I is the first of four high-performance research vehicles produced...

1962 Chevrolet Corvair Super Spyder (XP-785): two-seat experimental sports roadster. Unwrapped in 1962, the Super Spyder concept car was...

The Chevy Monza SS (XP-797) topless two-seat prototype was based on the Corvair rear-engine platform with a shortened 88-inch wheelbase....

The Chevrolet Corvair Monza GT (XP-777) was a mid-engined experimental prototype automobile built in 1962 based on the early model...

1965 XP-819: The little-known rear-engine Corvette was built by GM to test the viability of a V-8-powered Porsche 911 killer. Larry...

The Mako Shark II concept car was originally built in 1965 under the direction of William (Bill) L. Mitchell, Vice President of GM...

The Astro I appeared in 1967 as a radical-looking fastback coupe designed for the show circuit. It was merely an exaggerated version of...

The 1968 Chevrolet Astro II (XP-880) was introduced at the 1968 New York Auto Show as a practical, personal sports car designed to carry...

In 1969, General Motors experimented with “urban cars” to increase gas mileage.

In 1969, General Motors experimented with “urban cars” to increase gas mileage. This is proof that GM planned to get in front of the...