Yamaha
Yamaha Seascooter RDS300
$695Cheaper
Best Sea Scooters · head-to-head
Yamaha Seascooter RDS300 vs SUEX VR Quantum
A sourced, side-by-side comparison. Yamaha Seascooter RDS300 is cheaper at $695. Every spec and price links to its source.
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SUEX
SUEX VR Quantum
$5530
Which is better: the Yamaha Seascooter RDS300 or SUEX VR Quantum?
They split the 2 specs we compare evenly. The Yamaha Seascooter RDS300 is the cheaper at $695.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Key specs, head to head
The numbers that decide it, drawn to scale — longer bar wins, the accent bar is the stronger figure.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Yamaha Seascooter RDS300 | SUEX VR Quantum |
|---|---|---|
| US price | $695 | $5530 |
| Brand | Yamaha | SUEX |
| Released | — | — |
| Max speed kmh | 4.8 | 4.2 |
| Runtime min | 90 | 220 |
| Max depth (m) | 30 | 100 |
| Thrust kgf | — | 22.4 |
| Battery (Wh) | 144 | 588 |
| Weight (kg) | 8.2 | 11.7 |
| Charge time h | 7 | — |
| Speed settings | 2 | 8 |
| Buoyancy | Removable/adjustable buoyancy chamber | Neutral trim via adjustable water ballast system |
Sources — Yamaha Seascooter RDS300: divers-supply.com (verified 2026-08-01). SUEX VR Quantum: suex.it (verified 2026-08-01).
What's the difference between the Yamaha Seascooter RDS300 and SUEX VR Quantum?
Where the two actually differ on the specs we track (7 of 9). Matching specs are omitted.
- Max speed kmh: Yamaha Seascooter RDS300 4.8 vs SUEX VR Quantum 4.2
- Runtime min: Yamaha Seascooter RDS300 90 vs SUEX VR Quantum 220
- Max depth (m): Yamaha Seascooter RDS300 30 vs SUEX VR Quantum 100
- Battery (Wh): Yamaha Seascooter RDS300 144 vs SUEX VR Quantum 588
- Weight (kg): Yamaha Seascooter RDS300 8.2 vs SUEX VR Quantum 11.7
- Speed settings: Yamaha Seascooter RDS300 2 vs SUEX VR Quantum 8
- Buoyancy: Yamaha Seascooter RDS300 Removable/adjustable buoyancy chamber vs SUEX VR Quantum Neutral trim via adjustable water ballast system