The Austin-Healey 3000 is powered by a 2.9-liter (2,912 cc) inline-six-cylinder engine. It was equipped with twin SU carburetors and produced significant power, especially in the later MKIII version. The Austin-Healey 3000 initially featured a four-speed manual transmission with an optional overdrive. Later versions, especially the MKIII, often came with a four-speed manual transmission with an optional center-shift gearbox.

The 3000 was known for its spirited performance, combining the classic British roadster style with a powerful engine. It was capable of reaching high speeds and had success in various motorsport events.

The Austin-Healey 3000 gained popularity on the racing circuit, including notable achievements at events such as the 24 Hours of Le Mans and other endurance races. The design of the 3000 is characterized by its long hood, short rear deck, and distinctive front grille, capturing the essence of classic British sports cars.

The Austin-Healey 3000 remains a sought-after classic car today, cherished by enthusiasts for its performance, style, and the legacy it established in the world of sports car motoring.