Best Electric Scooters · head-to-head

NIU KQi3 Pro vs Hiboy S2 Electric Scooter

A sourced, side-by-side comparison. Hiboy S2 Electric Scooter is cheaper at $352.99. Every spec and price links to its source.

Which is better: the NIU KQi3 Pro or Hiboy S2 Electric Scooter?

The Hiboy S2 Electric Scooter wins 2 of the 2 specs we compare head to head; the other wins 0. The Hiboy S2 Electric Scooter is the cheaper at $352.99. The Hiboy S2 Electric Scooter both leads on specs and costs less — the straightforward pick.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec NIU KQi3 Pro Hiboy S2 Electric Scooter
US price $799 US MSRP per riderguide.com $352.99
BrandNIUHiboy
Released2022
Top speed mph 20 19
Range mi 31 17
Motor (W) 350 350
Max load (lb) 265 220
Weight (lb) 45 35.49
Tire type pneumatic tubeless solid honeycomb
Suspension none rear spring
Release 2022

Sources — NIU KQi3 Pro: riderguide.com (verified 2026-06-15). Hiboy S2 Electric Scooter: hiboy.com (verified 2026-07-07).

What's the difference between the NIU KQi3 Pro and Hiboy S2 Electric Scooter?

Where the two actually differ on the specs we track (6 of 7). Matching specs are omitted.

  • Top speed mph: NIU KQi3 Pro 20 vs Hiboy S2 Electric Scooter 19
  • Range mi: NIU KQi3 Pro 31 vs Hiboy S2 Electric Scooter 17
  • Max load (lb): NIU KQi3 Pro 265 vs Hiboy S2 Electric Scooter 220
  • Weight (lb): NIU KQi3 Pro 45 vs Hiboy S2 Electric Scooter 35.49
  • Tire type: NIU KQi3 Pro pneumatic tubeless vs Hiboy S2 Electric Scooter solid honeycomb
  • Suspension: NIU KQi3 Pro none vs Hiboy S2 Electric Scooter rear spring

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

NIU KQi3 Pro

Only one whitelisted tester, TechRadar, published a hands-on review of this exact model (NIU KQi3 Pro, first reviewed November 2022). It earned Editor's Choice with a 5/5 total, praising shock-absorbing 30%-fatter 9.5-inch pneumatic tires, snappy performance with a 20% hill-climb rating (held 7-9 mph on a steep grade), unusually easy assembly, and strong $799 value, while flagging that it's heavy and not portable (44.75 lb), only IP54 water-resistant, and has very responsive brakes. (1 sourced review, 1 lab-tested.)

Praised: Excellent shock absorption from 30%-fatter 9.5-inch pneumatic tires; smooth even on pothole-laden roads; Powerful, snappy performance with 20% hill-climb rating (held 7-9 mph on a steep grade); Strong value at $799 with a rich feature set (anti-theft alarm, always-on Halo headlight, cruise control).

Flagged: Heavy and not portable/lightweight — among the biggest, heaviest commuter e-scooters they've tested (44.75 lb); Only IP54 water resistance, so not suitable for downpours or flooding; Brakes are very responsive; reviewer warns of being thrown off if braking too hard at 20 mph.

Hiboy S2 Electric Scooter

No sourced tester review yet.

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