Saab Sonett III

The Saab Sonett was an automobile manufactured between 1955 and 1957 and again between 1966 and 1974.

The 1970 redesign of the Sonett V4, named the Sonett III, was initially undertaken by Sergio Coggiola, but Gunnar A. Sjögren altered it to fit the existing chassis without expensive manufacturing-line changes. Hinged rear-window glass replaced the Sonett II/V4 rear compartment hatch door. With the mandate for a "bulge-less" hood, the engine compartment opening evolved into a small front popup panel, resulting in more limited access than in the Sonett V4. Extensive engine work required the removal of the entire front hood section.

To help adapt the car to U.S. market tastes, the Sonett III featured a floor-mounted shifter (instead of the Sonett V4 column-mounted shifter) and optional dealer-installed air conditioning. Like the Opel GT, the Sonett III's hidden headlamps were operated manually using a lever. US safety regulations required new bumpers after 1972, significantly detracting from its Italian-inspired design.

While the 1970 and 1971 model years initially had the same 1500 cc Ford V4 engine as the Sonett V4, emission control requirements reduced the available horsepower. The model years 1971 to 1974 of the Sonett III used the 1700 cc Ford V4, but to meet increasingly strict Federal regulations, net power output remained the same as the 1500 cc engine, at 65 horsepower (48 kW). Still, the Sonett III accelerated from 0–100 km/h (0–63 mph) in 13 seconds, and—due to a higher differential gear ratio (42 teeth on the ring gear and 9 teeth on the pinion gear) than the standard 95/96 transmission (39:8)—achieved a top speed of 165 km/h (103 mph), aided by a low 0.31 drag coefficient.

Source: Wikipedia, 2011

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