KuKirin M4 Max vs RoadRunner Scooters RS6 ULTRA
Side-by-side comparison · Specs, scores & AI verdict
Why choose one over the other?
RoadRunner Scooters RS6 ULTRA leads overall (75 vs 37/100). KuKirin M4 Max pulls ahead most on Portability (67 vs 67); RoadRunner Scooters RS6 ULTRA answers on Safety (100 vs 4).
KuKirin M4 Max costs $2,414 less; the pricier RoadRunner Scooters RS6 ULTRA justifies it only if its edge on Safety matters to you.
KuKirin M4 Max wins on
- •Portability: 67 vs 67
RoadRunner Scooters RS6 ULTRA wins on
- •Safety: 100 vs 4
- •Build Quality: 100 vs 20
- •Comfort: 71 vs 11
- •Power & Speed: 82 vs 54
- •Range: 78 vs 52
- •Tech: 30 vs 10
Choose the KuKirin M4 Max if portability matters most; choose the RoadRunner Scooters RS6 ULTRA if you prioritise safety.
| Spec | KuKirin M4 Max | RoadRunner Scooters RS6 ULTRA |
|---|---|---|
⚡ Drivetrain | ||
| Peak Power | — | — |
| Continuous Power | 800 W | 3.0 kW ✓ |
| Max Torque | 27.1 Nm | — |
| Top Speed | 45 km/h | 96.5 km/h ✓ |
| Max Incline | 20 ° | 38 ° ✓ |
| Drive Config | — | — |
| Dual Motors | ✗ | ✓ |
🔋 Battery & Range | ||
| Battery Capacity | 874 Wh | 2400 Wh ✓ |
| Amp Hours | 18.2 Ah | 40 Ah ✓ |
| Charge Time | — | — |
| Claimed Range | 64 km | 128.7 km ✓ |
| Cell Chemistry | Li-ion | Li-ion |
| Removable Battery | — | ✓ |
| Regen Braking | — | ✗ |
📐 Size & Portability | ||
| Weight | 24 kg ✓ | 44.4 kg |
| Max Payload | 120 kg | 170.1 kg ✓ |
| Deck Length | — | 68.6 cm |
| Deck Width | — | 22.9 cm |
| Ground Clearance | 13.5 cm | 17.8 cm ✓ |
| Foldable | ✓ | ✓ |
🛤️ Ride Comfort | ||
| Wheel Diameter | 10" | 11" ✓ |
| Pneumatic Tires | ✓ | ✓ |
| Puncture Resistant | — | — |
| Suspension | — | — |
| Adjustable Susp. | — | ✓ |
| Seat | ✗ | ✗ |
🛡️ Safety | ||
| Front Brake | — | Disc |
| Rear Brake | — | Disc |
| Front Lights | — | ✓ |
| Rear Lights | — | ✓ |
| Turn Signals | — | ✓ |
| IP Rating | IP54 | IP67 |
| Kids' Scooter | ||
📱 Tech & Smart | ||
| Companion App | — | — |
| Riding Modes | 3 | 3 |
| Cruise Control | — | ✓ |
| OTA Updates | — | — |
| NFC Anti-Theft | — | — |
| GPS Tracking | — | — |
| Warranty | 12 months | 12 months |
📝 Our Verdict
The biggest measurable difference: build quality — the RoadRunner Scooters RS6 ULTRA leads by 80 points. The RoadRunner Scooters RS6 ULTRA pulls ahead significantly with a higher overall score than the KuKirin M4 Max. For riders who prioritise speed, the RoadRunner Scooters RS6 ULTRA is the clear choice.
KuKirin M4 Max vs RoadRunner Scooters RS6 ULTRA — KuKirin M4 Max
The RoadRunner Scooters RS6 ULTRA scores higher overall (75 vs 37/100). The RoadRunner Scooters RS6 ULTRA leads on claimed range (129 km vs 64 km for the KuKirin M4 Max). Check the spec table above for the full breakdown.



