Japan · Japanese-market launch specification; February 1989

Subaru Legacy RS

The first Legacy RS wrapped Subaru's new turbo flat-four and full-time four-wheel drive in a practical five-seat sedan. It was the fast Japanese launch model that gave the new Legacy family a serious performance halo.

Rally legends

Exact BC5 RS identity, but the source describes a 1993 rally-winning vehicle rather than a stock 1989 Japanese launch RS. Prominent year and rally-car labeling is mandatory.

Exterior view · Photo shows Exact BC5 RS identity, but the source describes a 1993 rally-winning vehicle rather than a stock 1989 Japanese launch RS. Prominent year and rally-car labeling is mandatory.. Exact BC5 RS identity, but the source describes a 1993 rally-winning vehicle rather than a stock 1989 Japanese launch RS. Prominent year and rally-car labeling is mandatory.
1989 Japan Subaru Legacy RS · 先従隗始 · CC0

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A place in vehicle history

More than a set of wheels.

Subaru began Legacy production at Gunma Yajima in November 1988 and introduced the car in Japan in February 1989. Before launch, three Legacy RS sedans ran an FIA-certified 100,000-kilometre speed record in January, averaging 223.345 km/h. The RS's combination of a low flat-four, four-wheel drive and a five-speed gearbox also formed the basis of Subaru's early World Rally Championship effort, which began in 1990.

Look a little closer.

Subaru's record-run cars covered 100,000 kilometres at an average of 223.345 km/h before the Legacy even reached Japanese showrooms.

Photos show an example of the model or generation. The pictured vehicle’s year, equipment, or modifications can differ from the specification described here.

A launch car with a stopwatch

The 100,000-kilometre record was more than a publicity sprint: it was a long, FIA-certified demonstration that the new platform could sustain very high speed. That helps explain why the RS specification included ventilated disc brakes at both ends, independent strut suspension and a limited-slip differential rather than relying on engine power alone.

Source: Subaru — Chronology of the Legacy ↗

Why the flat-four matters

A boxer engine's opposing pistons move horizontally, so Subaru could place the engine low and line it up lengthwise with the four-wheel-drive transmission. The RS added double overhead cams, 16 valves, an intercooler and sequential multi-point injection. Together, those features made a compact, responsive performance package without changing the sedan's five-seat shape.

Source: Subaru official web catalog — Legacy RS, February 1989 ↗

Where these facts come from

Selected facts checked for this edition. Some source pages link to broader model families. Last reviewed October 2, 2026.

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