Kawasaki Vulcan S vs Suzuki Boulevard S40 (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Kawasaki Vulcan Sstacks up against the Suzuki Boulevard S40. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Kawasaki Vulcan S | Suzuki Boulevard S40 |
|---|---|---|
| Model year | 2026 | 2022 |
| Price | $7,999 | $5,799 |
| Engine | 649 cc | 652 cc |
| Horsepower | 61 hp | — |
| Torque | 63 Nm | — |
| Weight | 228 kg | — |
| Seat height | 705 mm | 28 mm |
| Fuel capacity | 14.0 L | 2.8 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed manual | 5-speed |
| Front brakes | Single 300mm disc | Single disc |
| Rear brakes | Single 250mm disc | Expanding brake (drum brake) |
| Tires | 120/70-18 front, 160/60-17 rear | 100/90-19 / 140/80-5 |
Kawasaki Vulcan S vs Suzuki Boulevard S40 — which should you buy?
Picking between the Kawasaki Vulcan S and the Suzuki Boulevard S40 usually comes down to the numbers you care about most. On paper, the Kawasaki Vulcan S brings 61 hp in a 228 kg package, while the Suzuki Boulevard S40 counters with its own power figure. On price, the Suzuki Boulevard S40 has the lower MSRP.
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: