Lamborghini

Miura

Lamborghini Miura: The Birth of the Supercar

Before 1966, fast cars existed. There were powerful grand tourers from Ferrari and Aston Martin, and there were purpose-built racing cars from Ford and Porsche. But the concept of a mid-engine, high-performance, two-seat road car designed purely for the thrill of driving and the shock of its aesthetics simply did not exist.

Then, at the 1966 Geneva Motor Show, a small tractor manufacturer from Sant’Agata Bolognese unveiled the Lamborghini Miura.

It was an absolute sensation. It made every Ferrari on the market look instantly antiquated. It was impossibly low, aggressively wide, and undeniably beautiful. But its true revolution lay beneath the skin. The Miura is universally recognized as the very first true “supercar,” establishing the mid-engine layout as the gold standard for high-performance automobiles that persists to this day.

The Secret Project

The creation of the Miura was an act of rebellion. Ferruccio Lamborghini, the company’s founder, had built his fortune selling tractors. After a famous argument with Enzo Ferrari over a faulty clutch in his personal Ferrari 250 GT, Ferruccio decided to build his own cars to beat Enzo at his own game.

However, Ferruccio wanted to build refined, powerful Grand Tourers (like the 350 GT), not noisy, compromised racing cars for the road. He explicitly forbade his engineers from developing a mid-engine car, believing the layout was too dangerous and impractical for street use.

But his top engineers—Gian Paolo Dallara, Paolo Stanzani, and test driver Bob Wallace—were young, ambitious, and obsessed with motorsport. They believed a mid-engine layout was the future. Working at night and on weekends, in secret from Ferruccio, they designed a rolling chassis known as the P400 (Posteriore 4 litri).

When they finally presented the bare chassis to Ferruccio at the 1965 Turin Auto Show, the response from the public was so overwhelming that Ferruccio relented and approved the project for production, provided they could find a body for it.

The Design: Bertone’s Masterpiece

To clothe their revolutionary chassis, Lamborghini turned to the Nuccio Bertone design house. The task fell to a brilliant 27-year-old designer named Marcello Gandini.

Gandini created a shape that is still considered one of the most beautiful automotive designs in history. The Miura (named after a famous lineage of Spanish fighting bulls) is characterized by its sweeping, organic curves that mimic the musculature of an animal ready to pounce.

The most iconic features of the Miura’s design are dictated by its engineering:

  • The “Eyelashes”: The distinctive pop-up headlights lay flat against the hood when not in use, surrounded by contrasting black “eyelashes” (though these were removed on later SV models).
  • The Clamshells: The entire front and rear sections of the car are massive, single-piece aluminum clamshells that hinge open to reveal the chassis and powertrain.
  • The Louvers: Because the engine sits directly behind the driver’s head, the rear window is replaced by a series of black slats (louvers) to extract the immense heat generated by the V12.
  • The Doors: When the doors are fully open, their shape subtly resembles the horns of a bull.

The Transverse V12: Engineering the Impossible

The genius of the Miura lay in how Dallara and Stanzani packaged a massive V12 engine into such a compact chassis.

If they mounted the 3.9-liter (3,929 cc) Bizzarrini-designed V12 longitudinally (lengthwise, like a modern Aventador), the car would be far too long and the wheelbase unwieldy.

Their solution was inspired by the humble Austin Mini: they mounted the massive V12 transversely (sideways) just behind the passenger cabin.

To save space, they essentially merged the engine, the 5-speed manual gearbox, and the differential into a single, massive aluminum casting. They all shared the same oil supply—a brilliant packaging solution that occasionally proved problematic if the gearbox synchronized gears shaved metal into the engine oil.

Breathing through four thirsty Weber IDL40 carburetors, the original P400 produced an astonishing 350 PS (345 hp) at 7,000 rpm. This allowed the Miura to achieve a claimed top speed of 280 km/h (174 mph), making it the fastest production car in the world upon its release.

The Evolution: S and SV

The Miura was constantly evolved throughout its production run from 1966 to 1973.

  • Miura P400 (1966-1969): The original, purest form of the car. It was incredibly fast but suffered from significant aerodynamic lift at high speeds (the front end became terrifyingly light above 120 mph) due to the shape of the nose and the placement of the fuel tank.
  • Miura P400 S (1968-1971): The “Spinto” (tuned) version. The engine was tweaked to produce 370 hp. The interior was upgraded with power windows and a locking glovebox. The chassis was stiffened to improve handling.
  • Miura P400 SV (1971-1973): The ultimate iteration (Super Veloce). The engine was heavily revised with different cam timing and larger carburetors, producing 385 hp. Crucially, the SV split the engine and gearbox oil sumps, solving the lubrication issues of the earlier cars. The rear track was significantly widened (requiring aggressive, flared rear fenders) to accommodate much wider Pirelli tires, dramatically improving high-speed stability and handling. The SV is easily identifiable by the lack of “eyelashes” around the headlights.

A Flawed Masterpiece

Driving a Miura is an exercise in sensory overload. The seating position is famously flawed (the “Italian Ape” driving position—long arms, short legs). The cabin is incredibly cramped, and the heat from the transverse V12 constantly bakes the bulkhead just inches behind the seats. The unassisted steering is heavy, the clutch requires immense force, and the gear linkage is notoriously vague.

But when the four Weber carburetors open and the V12 screams toward 7,000 rpm, none of those flaws matter. The noise is a mechanical symphony unlike anything else on earth. The acceleration, even by modern standards, is vivid and raw.

Lamborghini produced just 764 Miuras across all variants. It established Lamborghini not just as a rival to Ferrari, but as the premier builder of outrageous, uncompromising supercars. The Miura didn’t just change the automotive industry; it invented an entirely new category of desire.