Verdict: The Apollo City Pro is worth the premium for commuters who need better braking, more power, and longer range; the ES4 is the right choice if price and retail availability matter.
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Winner: Apollo City Pro
Spec-by-spec comparison
Apollo City Pro
Segway Ninebot ES4
Motor
Dual: 500W + 250W (750W combined)
Single: 300W nominal / 800W peak
Battery
729Wh
374Wh (dual battery combined)
Brakes
Hydraulic disc front + rear
EBS + rear foot brake
Tire Type
10-inch airless hollow-core
8.5-inch solid honeycomb
Weight
~36 lbs
~30 lbs
Real-World Range
20-45 miles (mode dependent)
15-28 miles
Apollo City Pro
What works
Dual motors — 750W nominal combined, better hill climbing and acceleration
Hydraulic disc brakes front and rear — best-in-class stopping performance
729Wh battery — 35-45 miles range in single-motor mode
What doesn't
36 lbs is heavy for carrying on transit or up stairs
~$799 retail price — $300 more than the ES4
Direct-to-consumer only — no physical retail presence
Segway Ninebot ES4
What works
~30 lbs — lighter and more portable for transit-carrying situations
Segway retail availability — buy at Best Buy, Target, or Amazon
Simpler maintenance — no hydraulic fluid, no disc pad adjustment
What doesn't
Single 300W motor — struggles on sustained steep grades
300 Wh combined range is limiting — 15-28 miles in real conditions