Briggs & Stratton P4500 vs Generac iQ5200
What is the difference?
The Briggs & Stratton P4500 has 3.7 kW of running power, 4.5 kW peak. The Generac iQ5200 has 3.9 kW of running power, 5.2 kW peak.
The Briggs & Stratton P4500 has a 3.5 gal tank, the Generac iQ5200 has a 3.2 gal tank.
The Briggs & Stratton P4500 weighs 104 lb, the Generac iQ5200 weighs 111 lb. The Briggs & Stratton P4500 is easier to carry.
Specs side by side
| Briggs & Stratton P4500 | Generac iQ5200 | |
|---|---|---|
| Running W | 3700 | 3900 |
| Peak W | 4500 | 5200 |
| Fuel | — | dual-fuel |
| Tank (gal) | 3.5 | 3.2 |
| Run time @50 % (h) | — | 9 |
| Noise (dB) | — | — |
| CO shutoff | yes | yes |
| Weight (lb) | 104 | 111 |
| Warranty (yr) | 3 | — |
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Specs as read from manufacturer pages on 2026-10-26 / 2026-10-25. 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, Briggs & Stratton P4500 or Generac iQ5200?
The Generac iQ5200. More running watts: 3900 W vs 3700 W.
Which is lighter, Briggs & Stratton P4500 or Generac iQ5200?
The Briggs & Stratton P4500. Lighter: 104 lb vs 111 lb.
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Compare other models → · All Briggs & Stratton models · All Generac models