Generac iQ5200 vs GenMax GM3500Xi
What is the difference?
The Generac iQ5200 has 3.9 kW of running power, 5.2 kW peak. The GenMax GM3500Xi has 3.2 kW of running power, 3.2 kW peak.
The Generac iQ5200 has a 3.2 gal tank, the GenMax GM3500Xi has a 2.2 gal tank.
The Generac iQ5200 weighs 111 lb, the GenMax GM3500Xi weighs 57 lb. The GenMax GM3500Xi is easier to carry.
Specs side by side
| Generac iQ5200 | GenMax GM3500Xi | |
|---|---|---|
| Running W | 3900 | 3200 |
| Peak W | 5200 | 3200 |
| Fuel | dual-fuel | — |
| Tank (gal) | 3.2 | 2.2 |
| Run time @50 % (h) | 9 | — |
| Noise (dB) | — | — |
| CO shutoff | yes | yes |
| Weight (lb) | 111 | 57 |
| Warranty (yr) | — | — |
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Specs as read from manufacturer pages on 2026-10-25 / 2026-10-31. Specs one maker does not list are left out of the comparison. Sponsored links; we may earn a commission.
Common questions
Which has more running watts, Generac iQ5200 or GenMax GM3500Xi?
The Generac iQ5200. More running watts: 3900 W vs 3200 W.
Which is lighter, Generac iQ5200 or GenMax GM3500Xi?
The GenMax GM3500Xi. Lighter: 57 lb vs 111 lb.
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Compare other models → · All Generac models · All GenMax models