The 1979 Suzuki GS550 from Japan was powered by a 549cc DOHC inline-4 producing 50hp at 8500rpm. Weighing 202.0kg (445 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1983 Suzuki XN85 Turbo by contrast offered 673cc of DOHC inline-4 turbo power, delivering 85hp at 8500rpm. Tipping the scales at 228.0kg (503 lbs) with a top speed of 210km/h (130 mph), it offered a distinct riding experience. 1970s bikes from the Japanese superbike revolution are increasingly sought after. Clean, original examples have seen significant value appreciation.
Specifications Comparison
| 1979 Suzuki GS550 | 1983 Suzuki XN85 Turbo | |
|---|---|---|
| Displacement | 549 cc | 673 cc |
| Power | 50 hp | 85 hp |
| Torque | 44.0 Nm | 72.0 Nm |
| Cylinders | 4 | 4 |
| Top Speed | 175 km/h | 210 km/h |
| Quarter Mile | — | — |
| Dry Weight | 202.0 kg | 228.0 kg |
| Wet Weight | 218.0 kg | 246.0 kg |
| Seat Height | 800 mm | 790 mm |
| Wheelbase | 1410 mm | 1450 mm |
| Fuel Capacity | 15.0 L | 18.0 L |
| Gears | 6 -speed | 5 -speed |
The Verdict
Comparing these two Suzuki machines reveals the brand's evolution. The 1979 Suzuki GS550 laid the groundwork with 50hp, while the later 1983 Suzuki XN85 Turbo pushed output to 85hp. From a collector's perspective, the 1983 Suzuki XN85 Turbo holds the edge with a 6/10 rating. Either way, both are worthy additions to any Suzuki collection. Parts availability is good for the 1979 Suzuki GS550 and difficult for the 1983 Suzuki XN85 Turbo — an important factor for any restoration project.
About the 1979 Suzuki GS550
Introduced in 1979, the 1979 Suzuki GS550 features a 549cc DOHC inline-4 engine producing 50hp, establishing itself as a notable standard motorcycle.
Full 1979 Suzuki GS550 Profile →About the 1983 Suzuki XN85 Turbo
Suzuki released the 1983 Suzuki XN85 Turbo in 1983 with a 673cc DOHC inline-4 turbo powerplant making 85hp — a definitive sport bike.
Full 1983 Suzuki XN85 Turbo Profile →