The 1972 Suzuki GT550 from Japan was powered by a 543cc 2-stroke triple producing 53hp at 6500rpm. Weighing 193.0kg (425 lbs) and with a seat height of 800mm, 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
| 1972 Suzuki GT550 | 1975 Suzuki RE5 Rotary | |
|---|---|---|
| Displacement | 543 cc | 497 cc |
| Power | 53 hp | 62 hp |
| Torque | 52.0 Nm | 75.0 Nm |
| Cylinders | 3 | 1 |
| Top Speed | 175 km/h | 175 km/h |
| Quarter Mile | — | — |
| Dry Weight | 193.0 kg | 230.0 kg |
| Wet Weight | 210.0 kg | 250.0 kg |
| Seat Height | 800 mm | 800 mm |
| Wheelbase | 1415 mm | 1485 mm |
| Fuel Capacity | 16.0 L | 17.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
Comparing these two Suzuki machines reveals the brand's evolution. The 1972 Suzuki GT550 laid the groundwork with 53hp, 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 1972 Suzuki GT550 and very difficult for the 1975 Suzuki RE5 Rotary — an important factor for any restoration project.
About the 1972 Suzuki GT550
The 1972 1972 Suzuki GT550 packs a 543cc 2-stroke triple engine with 53hp into a standard motorcycle package from Suzuki.
Full 1972 Suzuki GT550 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 →