← All comparisons
Find your exact wattage in the calculator →
Westinghouse iGen4500 vs. Champion 3800-Watt Dual Fuel (201393)
| Westinghouse iGen4500 | Champion 3800-Watt Dual Fuel (201393) | |
|---|---|---|
| Running watts | 3,700 W | 3,800 W |
| Starting watts | 4,500 W | 4,750 W |
| On propane | — | 3,420 W run · 4,275 W start |
| Type | Inverter | Open frame |
| Fuel | Gasoline | Dual fuel (gas + propane) |
| Noise (mfr figure) | 52 dBA | 68 dBA |
| Weight | 104.7 lb | 133 lb |
| Fuel tank | 3.4 gal | 4.7 gal |
| Runtime (mfr claim) | up to ~18 h at 25% load | ~14 h on gasoline at 50% load |
| Outlets | Two 20A 125V, TT-30R (RV), USB | 120V 30A locking (L5-30R), TT-30R (RV), 20A 125V duplex |
| Start | Electric + remote | Electric |
| CO shutoff | Check listing | Check listing |
| Approx. price | ~$950 | ~$550 |
Dashes mean the manufacturer doesn't publish that figure. Wattages are gasoline ratings. Prices are typical street prices as of July 2026 — check current listings.
What the spec sheet actually says
- The Champion 3800-Watt Dual Fuel (201393) gives you 100 more running watts for about $400 less.
- The Westinghouse iGen4500 is the quieter machine (52 vs 68 dBA — roughly half as loud to the ear).
- Only the Champion 3800-Watt Dual Fuel (201393) runs on propane as well as gasoline — worth real money if you want shelf-stable stored fuel for outages.
- They're different classes: inverter vs open frame — the inverter class runs quieter and makes cleaner power; open-frame buys more watts per dollar.
Westinghouse iGen4500
Full review →Champion 3800-Watt Dual Fuel (201393)
Full review →