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The 1971 Honda CB500 Four and 1973 Suzuki GT380 are both iconic 1970s standards that defined their respective markets.
The 1971 Honda CB500 Four from Japan was powered by a 498cc SOHC inline-4 producing 50hp at 9000rpm. Weighing 185.0kg (408 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1973 Suzuki GT380 by contrast offered 371cc of 2-stroke triple power, delivering 38hp at 7500rpm. Tipping the scales at 167.0kg (368 lbs) with a top speed of 160km/h (99 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.
The 1971 Honda CB500 Four from Japan was powered by a 498cc SOHC inline-4 producing 50hp at 9000rpm. Weighing 185.0kg (408 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1973 Suzuki GT380 by contrast offered 371cc of 2-stroke triple power, delivering 38hp at 7500rpm. Tipping the scales at 167.0kg (368 lbs) with a top speed of 160km/h (99 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
| 1971 Honda CB500 Four | 1973 Suzuki GT380 | |
|---|---|---|
| Displacement | 498 cc | 371 cc |
| Power | 50 hp | 38 hp |
| Torque | 40.0 Nm | 33.0 Nm |
| Cylinders | 4 | 3 |
| Top Speed | 175 km/h | 160 km/h |
| Quarter Mile | — | — |
| Dry Weight | 185.0 kg | 167.0 kg |
| Wet Weight | 200.0 kg | 182.0 kg |
| Seat Height | 800 mm | 790 mm |
| Wheelbase | 1405 mm | 1375 mm |
| Fuel Capacity | 14.0 L | 15.0 L |
| Gears | 5 -speed | 6 -speed |
The Verdict
For pure standard performance, the 1971 Honda CB500 Four has the edge thanks to more power (50hp vs 38hp) and a higher top speed. The 1973 Suzuki GT380, however, excels when all-round versatility and everyday riding is the priority and offers a lighter package. Parts availability is good for the 1971 Honda CB500 Four and moderate for the 1973 Suzuki GT380 — an important factor for any restoration project.
About the 1971 Honda CB500 Four
The 1971 1971 Honda CB500 Four is a 498cc four-cylinder standard motorcycle that became one of Honda's most memorable motorcycles of the 1970s.
Full 1971 Honda CB500 Four Profile →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 →