NIU KQi 300X vs Vmax VX4 ST
Side-by-side comparison · Specs, scores & AI verdict
Too close to call — scores within 5 points
Why choose one over the other?
Reasons to choose NIU KQi 300X
- •Weighs 22.1 kg versus 28.6 kg, making it 6.5 kg easier to carry than the VX4 ST
- •Charges in 6 hours, 3 hours faster than the Vmax’s 9 hour charge time
- •Features front and rear disc brakes versus the VX4 ST’s front drum brake for stronger, more consistent stopping power
Reasons to choose Vmax VX4 ST
- •Delivers 1600 W peak power versus 1000 W, a 60% increase in motor output
- •Reaches a higher top speed of 40.2 km/h versus 38.1 km/h
- •Offers a 74 km range compared to 60 km for longer rides
- •Includes an 874 Wh battery over the NIU’s 608 Wh for greater energy capacity
| Spec | NIU KQi 300X | Vmax VX4 ST |
|---|---|---|
| ⚡ Drivetrain | ||
| Peak Power | 1.0 kW | 1.6 kW ✓ |
| Continuous Power | 500 W | 500 W |
| Max Torque | — | — |
| Top Speed | 38.1 km/h | 40.2 km/h ✓ |
| Max Incline | 20 ° | 33 ° ✓ |
| Drive Config | Rear | Rear |
| Dual Motors | ✗ | ✗ |
| 🔋 Battery & Range | ||
| Battery Capacity | 608 Wh | 874 Wh ✓ |
| Amp Hours | 13 Ah | 18.2 Ah ✓ |
| Charge Time | 6 h ✓ | 9 h |
| Claimed Range | 60 km | 74 km ✓ |
| Cell Chemistry | Lithium-ion | Lithium-ion |
| Removable Battery | ✗ | ✗ |
| Regen Braking | ✓ | ✓ |
| 📐 Size & Portability | ||
| Weight | 22.1 kg ✓ | 28.6 kg |
| Max Payload | 120.2 kg | 149.7 kg ✓ |
| Deck Length | 54.9 cm | 69.1 cm ✓ |
| Deck Width | 17 cm | 21.6 cm ✓ |
| Ground Clearance | 7.4 cm | — |
| Foldable | ✓ | ✓ |
| 🛤️ Ride Comfort | ||
| Wheel Diameter | 10.5" ✓ | 10" |
| Pneumatic Tires | ✓ | ✓ |
| Puncture Resistant | ✓ | ✗ |
| Suspension | Front | Dual |
| Adjustable Susp. | ✗ | ✗ |
| Seat | ✗ | ✗ |
| 🛡️ Safety | ||
| Front Brake | Disc | Drum |
| Rear Brake | Disc | Disc |
| Front Lights | ✓ | ✓ |
| Rear Lights | ✓ | ✓ |
| Turn Signals | ✓ | ✓ |
| IP Rating | IP55 | IPX6 |
| Kids' Scooter | ||
| 📱 Tech & Smart | ||
| Companion App | ✓ | ✓ |
| Riding Modes | — | — |
| Cruise Control | ✓ | ✓ |
| OTA Updates | ✓ | ✓ |
| NFC Anti-Theft | ✗ | ✗ |
| GPS Tracking | ✗ | ✗ |
| Warranty | — | — |
📝 Our Verdict
Riders who prioritize portability, quick charging, and superior braking should choose the NIU KQi 300X. Those seeking maximum speed, extended range, and higher motor power should opt for the Vmax VX4 ST due to its larger battery and stronger motor.
