G4 Ultra vs G2 Master: Is the Price Jump Worth It?
If you are shopping for a high-performance dual-motor electric scooter from KuKirin, you will inevitably land on two models: the G2 Master and the G4 Ultra.
On paper, they look remarkably similar. Both feature dual 1000W motors, hydraulic suspension, and a top speed that pushes the boundaries of what a scooter can do. But the G4 Ultra costs significantly more.
Is the G4 Ultra just an overpriced version of the G2 Master, or does the extra money buy you a fundamentally better machine?
We broke down the specs, the hidden engineering, and the real-world riding experience to see if the upgrade is actually worth it.
1. The Power Delivery: 52V vs. 60V Architecture
At first glance, both scooters have dual 1000W motors (with 1200W peak output each). But how they deliver that power is completely different.
G2 Master: Uses a 52V electrical system.
G4 Ultra: Uses a 60V electrical system.
Why does this matter? Higher voltage means the scooter can deliver the same amount of power (watts) while drawing less current (amps).
-
Less Heat: Lower current generates less heat in the controllers and wiring. The G4 Ultra stays cooler during long, aggressive rides.
-
Better Efficiency: The 60V platform converts battery energy into forward motion more efficiently. You get slightly better performance without draining the battery as fast.
The Verdict: The 60V system is a genuine engineering upgrade. It makes the G4 Ultra more durable and efficient at high speeds.
2. The Charging Reality: 11 Hours vs. 5 Hours
This is the most frustrating difference between the two models.
G2 Master: Uses a standard 2A charger. It takes 10 to 11 hours to fully charge the 20.8Ah battery. You must leave it plugged in overnight.
G4 Ultra: Uses a fast 5A charger. It takes only 5 to 6 hours to fully charge the 20Ah battery.
If you commute long distances, the fast charging on the G4 Ultra is a game-changer. You can plug it in when you get to the office and have it fully charged by the time you leave. With the G2 Master, you have to plan your life around overnight charging.
3. The Dashboard and Smart Features
The interface is where you spend all your time. The difference here is night and day.
G2 Master: Features a standard LCD display (133×76mm). It shows all the essential info (speed, battery, gear, mileage) in a clear, traditional layout. It works perfectly fine.
G4 Ultra: Features a massive 294×42mm touchscreen dashboard and built-in Bluetooth audio.
-
The wide-screen layout puts the speed and battery directly in your line of sight, requiring less head movement.
-
It includes advanced menu logic, a speed-limit indicator dot, and dual "Mantis-Eye" speakers.
The Verdict: The G4 Ultra feels like a modern smart vehicle. The G2 Master feels like a traditional scooter.
4. Suspension and Braking
Both scooters are built to handle rough roads, but their hardware differs slightly.
G2 Master: Uses front and rear hydraulic damping shock absorbers. These are excellent for soaking up heavy impacts and keeping the tires planted.
G4 Ultra: Uses dual swingarm spring suspension. While it sounds less premium than hydraulics, the G4 Ultra compensates with massive 11-inch tubeless tires (90/55-7.5) that absorb a lot of the road chatter before it even reaches the suspension.
Braking: The G4 Ultra features larger 160mm disc brakes (front and rear). This provides slightly more stopping leverage than the G2 Master's setup, which is crucial at higher speeds.
5. Range and Speed
Both scooters are incredibly fast, but their tuning is different.
G2 Master:
-
Top Speed: 60km/h (Dual Drive)
-
Range: Up to 70km (Mid-speed)
G4 Ultra:
-
Top Speed: 70km/h (RACE mode)
-
Range: ECO: 80km / SPORT: 50km / RACE: 35km
The G4 Ultra allows you to push to 70km/h, but doing so will destroy your range. However, if you ride it in ECO mode (25km/h), you can squeeze out an impressive 80km.
The Final Verdict: Which One Should You Buy?
The price difference between the two is roughly €20-30 depending on the current sale. For that relatively small jump, the G4 Ultra offers a lot more technology.
Buy the G2 Master if:
-
You want maximum performance per euro.
-
You don't mind leaving it on the charger overnight.
-
You prefer the traditional look of a standard LCD display and hydraulic shocks.
-
You ride mostly in the city where the 60km/h top speed is more than enough.
Buy the G4 Ultra if:
-
You need fast charging (5A) for long commutes.
-
You want the futuristic smart dashboard and Bluetooth audio.
-
You want the efficiency and thermal benefits of the 60V platform.
-
You ride on rougher roads and want the larger 11-inch tires.
For most riders looking for a long-term daily commuter with the best technology available, the G4 Ultra is the definitive choice.
Frequently Asked Questions
Is the G4 Ultra faster than the G2 Master?
Yes. The G2 Master tops out at 60km/h, while the G4 Ultra can reach 70km/h in RACE mode thanks to its 60V architecture.
How long does it take to charge the G2 Master vs. G4 Ultra?
The G2 Master takes 10-11 hours to charge with its 2A charger. The G4 Ultra charges much faster, taking only 5-6 hours with its 5A charger.
Does the G4 Ultra have better suspension?
The G2 Master uses hydraulic shocks, while the G4 Ultra uses dual swingarm spring suspension. However, the G4 Ultra’s larger 11-inch tires significantly improve ride comfort.
Why is the G4 Ultra more expensive?
The higher price reflects the 60V electrical system, the large smart touchscreen dashboard, the built-in Bluetooth speakers, and the faster 5A charger.
Can the G4 Ultra handle heavy riders?
Yes. It has a max load of 120kg. The dual 1200W motors (peak) provide ample torque for heavier riders, and the 60V system prevents overheating.
Which scooter is better for long-distance commuting?
The G4 Ultra is better for long distances due to its fast charging, 60V efficiency, and larger tires. However, if you ride slowly in ECO mode, both offer excellent range.
Choose Your Weapon
Both the G2 Master and G4 Ultra are exceptional dual-motor scooters. The G2 Master is a value monster, delivering raw power at a competitive price. The G4 Ultra is the refined, tech-forward evolution of that platform.
For riders who want the best of what KuKirin offers, the KuKirin G4 Ultra electric scooter is worth every extra euro.
Apply discount code NEW20 at checkout to save on your next KuKirin:
-
KuKirin G2 — €519
-
KuKirin G2 Pro — €499
-
KuKirin G2 Pro (VMP) — €519
-
KuKirin G2 Pro (ABE) — €519
-
KuKirin G2 VMP — €519
-
KuKirin M4 Max — €469
-
KuKirin G2 Max — €699
-
KuKirin G2 Ultra — €739
-
KuKirin G2 Master — €969
-
KuKirin G4 — €969
-
KuKirin G4 Ultra — €989
-
KuKirin T4 — €989
-
KuKirin G3 Pro — €1,299
-
KuKirin X1 — €1,269
Prices reflect discount code NEW20 applied.