Iso Rivolta IR 300

Iso Rivolta IR 300

The Iso Rivolta IR 300, launched in 1962, was the car that transformed Iso from a manufacturer of refrigerators and bubble cars into a maker of genuine grand tourers. The formula was brilliantly pragmatic: take a powerful, reliable American V8 engine, install it in a sophisticated Italian chassis, dress it in elegant coachwork by one of Italy's finest designers, and sell it for less than a Ferrari.

The engine was Chevrolet's legendary 327 cubic-inch small-block V8, producing 300 horsepower in standard tune. Smooth, torquey, and famously reliable, the Chevy V8 provided effortless performance without the maintenance demands (or costs) of a contemporary Italian high-performance engine. Parts were available at any Chevrolet dealer worldwide — a significant practical advantage over exotic competitors.

The chassis was engineered by Giotto Bizzarrini, who had previously designed the Ferrari 250 GTO before his acrimonious departure from Maranello. Bizzarrini's design featured a steel platform with independent front suspension using double wishbones, and an advanced De Dion rear axle located by a Watts linkage — a sophisticated arrangement that combined the lateral rigidity of an independent setup with the predictability of a beam axle. Four-wheel Dunlop disc brakes provided excellent stopping power.

The body was designed by Giorgetto Giugiaro, then a young designer at Bertone. His creation was a handsome, understated 2+2 coupe with clean lines, a long hood, and a graceful fastback roofline. It was beautiful without being ostentatious — a gentleman's express rather than a showpiece.

Inside, the Rivolta was trimmed to a high standard with leather upholstery, wood veneer trim, and comprehensive instrumentation. The cabin was spacious by GT standards, with genuine rear seats and a reasonable trunk. The driving experience combined the lazy torque of the American V8 with the precision of the Italian chassis, creating a car that was as comfortable cruising at speed on the autostrada as it was threading through Alpine passes.

The IR 300 was well-received by the automotive press and sold steadily if not spectacularly, with 797 units produced over eight years. It established the formula that would be refined in the Grifo, the Fidia, and the Lele. Today, the Rivolta is increasingly appreciated as a beautifully engineered GT that offers exceptional value compared to its Italian contemporaries.