The 1973 Suzuki GT380 from Japan was powered by a 371cc 2-stroke triple producing 38hp at 7500rpm. Weighing 167.0kg (368 lbs) and with a seat height of 790mm, it was aimed at standard riders.
The 1975 Suzuki RE5 Rotary by contrast offered 497cc of Wankel rotary power, delivering 62hp at 6500rpm. Tipping the scales at 230.0kg (507 lbs) with a top speed of 175km/h (109 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
| 1973 Suzuki GT380 | 1975 Suzuki RE5 Rotary | |
|---|---|---|
| Displacement | 371 cc | 497 cc |
| Power | 38 hp | 62 hp |
| Torque | 33.0 Nm | 75.0 Nm |
| Cylinders | 3 | 1 |
| Top Speed | 160 km/h | 175 km/h |
| Quarter Mile | — | — |
| Dry Weight | 167.0 kg | 230.0 kg |
| Wet Weight | 182.0 kg | 250.0 kg |
| Seat Height | 790 mm | 800 mm |
| Wheelbase | 1375 mm | 1485 mm |
| Fuel Capacity | 15.0 L | 17.0 L |
| Gears | 6 -speed | 5 -speed |
The Verdict
Comparing these two Suzuki machines reveals the brand's evolution. The 1973 Suzuki GT380 laid the groundwork with 38hp, while the later 1975 Suzuki RE5 Rotary pushed output to 62hp. From a collector's perspective, the 1975 Suzuki RE5 Rotary holds the edge with a 9/10 rating. Either way, both are worthy additions to any Suzuki collection. Parts availability is moderate for the 1973 Suzuki GT380 and very difficult for the 1975 Suzuki RE5 Rotary — an important factor for any restoration project.
About the 1973 Suzuki GT380
A standard motorcycle from 1973, the 1973 Suzuki GT380 delivers 38hp from its 371cc 2-stroke triple engine.
Full 1973 Suzuki GT380 Profile →About the 1975 Suzuki RE5 Rotary
Introduced in 1975, the 1975 Suzuki RE5 Rotary features a 497cc Wankel rotary engine producing 62hp, establishing itself as a notable touring motorcycle.
Full 1975 Suzuki RE5 Rotary Profile →