Generac 2500i vs GenMax GM2200i
What is the difference?
The Generac 2500i has 2.2 kW of running power, 2.5 kW peak. The GenMax GM2200i has 1.8 kW of running power, 2.2 kW peak.
The Generac 2500i has a 1 gal tank, the GenMax GM2200i has a 1 gal tank.
The Generac 2500i weighs 49 lb, the GenMax GM2200i weighs 42 lb. The GenMax GM2200i is easier to carry.
Specs side by side
| Generac 2500i | GenMax GM2200i | |
|---|---|---|
| Running W | 2200 | 1800 |
| Peak W | 2500 | 2200 |
| Fuel | — | gasoline |
| Tank (gal) | 1 | 1 |
| Run time @50 % (h) | 4.5 | — |
| Noise (dB) | — | — |
| CO shutoff | yes | — |
| Weight (lb) | 49 | 42 |
| Warranty (yr) | — | — |
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Specs as read from manufacturer pages on 2026-10-26 / 2026-11-03. 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 2500i or GenMax GM2200i?
The Generac 2500i. More running watts: 2200 W vs 1800 W.
Which is lighter, Generac 2500i or GenMax GM2200i?
The GenMax GM2200i. Lighter: 42 lb vs 49 lb.
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Compare other models → · All Generac models · All GenMax models