cars won hundreds of races before competition grew stronger in 1971. But the Giulia sometimes kept up with much bigger engined cars such as the 3 litre BMW CSL. In the USA the GTA's first racing victory was in January 1966 at the “Refrigerator Bowl”, at the now defunct Marlboro Raceway in Maryland, with Monty Winkler and Pete Van der Vate at the wheel. The Autodelta GTA of Horst Kwech and Gaston Andrey won the Under 2 litre class of the inaugural Sports Car Club of America's Trans-Am championship in 1966. Horst Kwech also won the first SCCA National B-Sedan ARRC Championship in the same GTA in 1966. The GTA would also go on to win the 1970 championship. Technical data Modern GTAs The designation GTA was used in the 2000s for the highest performance road-going versions of the 156 and 147. These cars are powered by 3.2 litre Busso V6 engines giving them the most power of the cars in the model range, however despite the GTA name, they are generally the heaviest cars in the range, due to having large engines and little if any weight saving employed in their construction. For example, the 147 GTA weighs . 147 GTA The 147 GTA was introduced in 2002 as the top-end hatchback model for Alfa Romeo. It is powered by a 3.2 litre V6, derived from the 164 from the early 90s. It is a two-door hatchback that seats five, and is characterized by its wider wheel arches, teledial 17 inch wheels, and more aggressive grille design. 156 GTA The 156 GTA was Alfa Romeo's sportiest version of the 156, and used the same 3.2 litre V6 as the 147 GTA, producing and of torque. This four-door saloon was available in sedan or wagon versions. MiTo GTA The MiTo GTA prototype has a 1.75 litre, turbocharged straight-4, producing . However, due to the economic downturn in 2008/2009, the Mito GTA was never produced. Giulia GTA and GTAm A limited edition version with 500 units of the new Giulia introduced in 2020, Giulia GTA. See also Alfa Romeo 105/115 Series Coupés Alfa Romeo in motorsport Alfa Romeo in Formula One Alfa Corse References Sources External links History of the European Touring Car racing championship—Cars and results Giulia GTA, GTA 1300 JUnior, and GTAm (1965-1975) section at Alfa Romeo Bulletin Board GTA Coupés Rear-wheel-drive vehicles 1970s cars Cars introduced in 1965