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GEM e4 vs. MadJax XSeries X6

By The Smith Family, reviewed by Brad · Independent, no paid placement · Last verified Nov 10, 2026

WinnerGEM e4

GEM e4 takes it. It wins on the better warranty. The full side-by-side of verified specs is below — every figure carries a source and a verification date.

Key takeaways

  • The GEM e4 beats the MadJax XSeries X6 on the better warranty.
  • Vehicle warranty: the GEM e4 carries 4 years vs the MadJax XSeries X6's 3.
  • Both the GEM e4 and the MadJax XSeries X6 are factory-certified LSVs, confirmed against the NHTSA vPIC registry.

Head to head · Central Florida Edition

GEM e4 vs. MadJax XSeries X6

COMPARISON · GEM-E4-VS-MADJAX-XSERIES-X6
LAST VERIFIED 11/03/2026
GEMe4WinnerMadJaxXSeries X6
Top speed25 mph†1—
Range (low)41 mi†2—
Range (high)58 mi†2—
Battery typelithium†1lithium†3
Battery capacity163 Ah†2—
System voltage—48 V†3
Seats4†16✓†3
Length135 in†1—
Width55.5 in†1—
Height73 in†1—
Curb weight1,135 lb†1—
Motor power5 kW†15 kW†3
Motor power (hp)8.7 hp✓†16.7 hp†3
BrakesDisk/Hydraulic drum†1Front/rear hydraulic disc†3
SuspensionMacPherson strut front (5.6 in travel); independent trailing-arm rear (6 in travel)†1MacPherson strut front; mono-leaf springs with hydraulic shocks rear†4
Display size—10 in†3
Warranty4 yr✓†13 yr†3
Battery warranty (total term)7 yr†58 yr✓†4
Battery full-replacement coverage4 yr†5—
Battery warranty terms7 years / 30,000 mi: 100% through month 48, then 75%, 50% and 25% of the pack cost†5—
Battery warranty schedule (maker's share)100% to yr 4 · 75% yr 4–5 · 50% yr 5–6 · 25% yr 6–7†5—
LSV certified (street-legal capable)Yes†6Yes†7
Charge time6 hr†2—
Ground clearance8 in†1—
Turning radius14.4 ft†1—
†1 SOURCE: gemcar.com · VERIFIED 11/03/2026†2 SOURCE: gemcar.com · VERIFIED 09/30/2026†3 SOURCE: madjax.com · VERIFIED 11/03/2026†4 SOURCE: madjax.com · VERIFIED 10/03/2026†5 SOURCE: gemcar.com · VERIFIED 09/26/2026†6 SOURCE: vpic.nhtsa.dot.gov · VERIFIED 11/03/2026†7 SOURCE: vpic.nhtsa.dot.gov · VERIFIED 11/03/2026

◆ The verdict

GEM e4

It wins on the better warranty.

Winner

Why it won

warranty4-yr vs 3-yr
Compared & SourcedVERIFIED 11/2026

Green ✓ marks the better verified figure where the two differ. Verdict scored on the verified specs above — factory-LSV status gates the win.

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Frequently asked

Is the GEM e4 or the MadJax XSeries X6 better?
GEM e4 takes it. It wins on the better warranty.