O.S.C.A. MT4 classic cars for sale

History of the O.S.C.A. MT4

The O.S.C.A. MT4 was born out of the expertise and racing passion of the Maserati brothers after they left their namesake company. Launched in 1948 by Officine Specializzata Costruzioni Automobili (O.S.C.A.), the MT4 quickly established itself as a leader among post-war sports racing cars. Ernesto Maserati was responsible for the body design, produced by Morelli in Ferrara. The MT4’s primary focus was on competitive racing, with a design that prioritised light weight, drivetrain sophistication, and a functional yet roomy interior. Over the years, the MT4 was a constant presence at prestigious motorsport events such as the Gran Premio Nuvolari and Gaisbergrennen, solidifying its reputation as a capable and innovative machine. The model's racing pedigree and continuous development kept it at the forefront of the sports car scene throughout the 1950s until production ended in 1956, though it remained in use well into the 1960s.

Model Evolution and Series Overview

The O.S.C.A. MT4 model series began in 1948 and continued evolving until 1956, with variants including both Barchetta (open car) and Berlinetta (coupe) body styles. While not direct successors or predecessors are listed, the MT4 represents the critical early phase of O.S.C.A.'s racing car production. Major technical changes during its lifecycle involved various wheelbases—a typical version featured a standard wheelbase, while some special cars extended the wheelbase by 10cm (up to 2300mm), enhancing stability in longer races. Engine development was marked by the use of a magnesium alloy block in early models, later supplemented by reproduction parts using original forms. The series’ evolution is documented extensively in car registries such as John De Boer’s “The Italian Car Registry.”

Special Features and Statistics: O.S.C.A. MT4

A core highlight of the MT4 is its 1491cc twin-plug engine, capable of around 120bhp with street cams and nearly 140bhp with racing profiles. The body styles (Barchetta and Berlinetta) display the diversity in customisability and competition focus. Other unique touches include a ZF S4-15 gearbox and side-mounted twin exhaust outlets. Many MT4s were restored with reference to original documentation and forms, contributing to the historical accuracy found in surviving examples. The cockpit is unmistakably race-oriented but surprisingly ergonomic for its class.

Technical Data: O.S.C.A. MT4

Special Editions of the O.S.C.A. MT4

Variations among MT4s include longer wheelbase specials (by 10cm), crafted for endurance and specific race events, as well as bespoke bodies from Morelli. Particularly well-documented and restored examples, often certified with FIVA Identity Cards, are considered especially significant. Cars exhibited at venues like the Rosso Bianco Museum in Germany have additional collector interest due to their provenance.

Performance, Engine and Driving Characteristics

The O.S.C.A. MT4’s performance is anchored by its advanced 1.5-litre twin-plug engine, which, equipped with sharp cam profiles, can deliver up to 140bhp—a striking figure for its era. The ZF S4-15 gearbox provides precise shifting and reliability suited to road racing. The well-balanced chassis, combined with differing wheelbase options, allows drivers to fine-tune handling for specific racing scenarios. Despite its focus on competition, the MT4 also proves versatile for the street, with a surprisingly accommodating cockpit and direct steering. The minimalist layout keeps weight down while providing all crucial information to the driver. • MT4 Barchetta (noted for open bodywork and racing pedigree) • MT4 Berlinetta (enclosed coupe style for endurance events) • Long-wheelbase specials (2300mm, tailored for select circuits and improved high-speed stability)

Exterior and Interior Design, Comfort, Accessories

The design of the O.S.C.A. MT4 underscores Italian racing pragmatism—aluminium panels hand-crafted by Morelli in Ferrara, with the layout supervised by Ernesto Maserati. The Barchetta and Berlinetta bodies reflect purpose-built configurations for short- and long-distance racing. The spartan interior is functional, featuring essentials like a large rev counter and minimal trim, keeping driver distraction at bay. Side-exit dual exhausts on the driver’s side are a hallmark feature, as are the carefully reproduced body panels and parts available for restoration. Seating contours and space were optimised for competition, yet the cabin remains unexpectedly roomy for a mid-century sports racing car. Accessories are rare, but some well-preserved examples retain original tools or period-correct documentation, such as FIVA Identity Cards.

Other Unique Features

Documented provenance, typically supported by detailed historical records and vehicle registers, significantly increases an MT4’s appeal and verifiability. The model’s participation in historical racing events and its continued presence in niche museums, like Rosso Bianco, add cultural and historical depth. Replacement parts can be fabricated using original blueprints, supporting both competition and restoration communities.

Summary: O.S.C.A. MT4

The O.S.C.A. MT4 distinguishes itself as a product of Maserati family ingenuity, marrying meticulous mechanical engineering to bespoke Italian coachbuilding. Its track record in mid-century motorsport, all-original technical features, and exclusive market supply make it a unique proposition for connoisseurs of Italian sports cars. With every listing representing the totality of O.S.C.A. models on offer, interest is tightly focused on this historic race machine.