Alfa Romeo 158

The Alfa Romeo 158 Tipo 159 was introduced in 1951 as an evolution of the original 158. It features a 1.5L straight-8 engine producing 425 hp, paired with a 5-speed manual transmission. This race car variant was designed for Formula One and secured multiple Grand Prix victories. The Tipo 159 included advanced aerodynamic features and a lightweight chassis, making it a dominant force in motorsport during its time.

The Alfa Romeo 158 Corsa was the original racing variant introduced in 1947. It was powered by a 1.5L straight-8 engine producing around 200 hp, coupled with a 5-speed manual transmission. This variant was crucial in establishing Alfa Romeo's dominance in early post-war motorsport, winning numerous races, including the European Championship.

The Alfa Romeo 158 Monoposto was introduced in 1948 as a single-seater racing version. It retained the 1.5L straight-8 engine but was optimized for lower weight and improved aerodynamics. This variant was designed for Grand Prix racing and achieved significant success, showcasing Alfa Romeo's engineering prowess in the competitive racing scene.

The Alfa Romeo 158 Sport was introduced in 1949 as a more accessible variant for sports racing. It featured a slightly detuned version of the 1.5L straight-8 engine, producing about 180 hp. Designed for amateur racers, this variant included modifications for better handling and comfort, making it suitable for various racing events.