Suzuki GS 400 vs Yamaha RD 400 C (1977)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Suzuki GS 400stacks up against the Yamaha RD 400 C. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Suzuki GS 400 | Yamaha RD 400 C |
|---|---|---|
| Model year | 1977 | 1977 |
| Price | — | — |
| Engine | 398 cc | 399 cc |
| Horsepower | 27 hp | 43 hp |
| Fuel capacity | 3.7 L | 4.4 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake | Single disc |
| Tires | 3.00-18 / 3.50-18 | 3.00-18 / 3.50-18 |
Suzuki GS 400 vs Yamaha RD 400 C — which should you buy?
Picking between the Suzuki GS 400 and the Yamaha RD 400 C usually comes down to the numbers you care about most. On paper, the Suzuki GS 400 brings 27 hp, while the Yamaha RD 400 C counters with 43 hp.
Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: