First generation Si (AT) Production 1984-1987 Assembly Suzuka, Japan Alliston, Ontario, Canada Body style(s) 3-door hatchback Engine(s) 1.5 L 91 hp (68 kW) EW3/4 I4 Wheelbase 94 in (2.39 m) Length 150 in (3.81 m) Width 64 in (1.62 m) Height 53 in (1.35 m) Honda first adopted the Si badge for the JDM third-generation Civic in November 1984. Mainly offered in hatchback form, the main aesthetic difference for the Si was the slight bulge in the hood, which accommodated for the DOHC engine.If you are interested, take a look at JDM Media. A four-door sedan variant also existed in Japan, but were produced in small numbers and were rare. Designated as ZC1 in Japan and D16A1 in Europe, the new engine put out 122 hp (91 kW), enabling the car to hit 122 mph (196 km/h) and go from 060 mph in 8.9 seconds. Since compact cars at the time typically made less than 100 hp (70 kW), the Si proved popular amongst tuning enthusiasts. In the United States, a Civic S trim was introduced in 1984, featuring sports seats and reclining rear seats. Although the S retained the semi-independent rear beam with coil springs for the suspension, a rear stabilizer bar was added to improve handling. Unlike the JDM Civic Si, the S trim used the same carbureted 1.5 L EW1 engine as the base and the DX trims. 1985 finally saw the US release of the Si trim with the Civic CRX Si, which featured a fuel-injected, 1.5 L SOHC EW3 engine making 91 horsepower (68 kW), a two-tone paint scheme; (blue, black or red) over gray-silver, 13-inch alloy wheels with 175/70R13 Michelin MXL tires, a standard power sunroof and sport seats. The comparatively quicker inline-four engine propelled the CRX Si from 060 mph in under 9 seconds. In 1986, the Si trim was extended to the Civic hatchback, offering the same performance of the CRX Si but with four-seats. Added improvements for the Civic Si hatchback included a removable glass moonroof, a five-speed manual gearbox, tilt steering wheel, a full-width taillight panel, a color-keyed front airdam and a roof spoiler. Like the CRX Si, the Si hatchback was powered by the same 91 hp (68 kW), 12-valve SOHC engine designated EW4/D15A3 (the latter code was used for the 1987 model year but with the same specs). The Civic Si also saw a release in New Zealand and Australia in 1987, and sharing similar specs to the American-market Si. For more info, visit this webpage.
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