Head-to-head · updated November 2026

Westinghouse iGen4000DFc vs Champion 201319 4500-Watt Electric Start Dual Fuel Inverter: which one should you buy?

Two popular dual fuel inverters in the 4,000 W class for RVs and essential backup: Westinghouse iGen4000DFc against Champion's 4500-watt model.

SpecWestinghouse iGen4000DFcChampion 201319 4500-Watt Electric Start Dual Fuel Inverter
Overall score6.9/106.7/10
TypeDual fuel inverterDual fuel inverter
Running watts (gas)3,300 W3,500 W
Starting watts (gas)4,000 W4,500 W
Running watts (propane)2,970 W3,150 W
Fuel tank1.7 gal2.2 gal
Runtime at 50% load4 hr 25 min8 hr 50 min
Noise52 dB(A)61 dB(A)
Weight62.8 lb99.2 lb
Big outletsTT-30RTT-30R
StartRemote + electricElectric
CO shutoffYesYes
Parallel capableYesYes
Warranty3 years3 years
Typical price$500–$800$800–$1,200
BuyCheck priceCheck price

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Power output

The Champion 201319 4500-Watt Electric Start Dual Fuel Inverter delivers 3,500 running watts, 6% more than the Westinghouse iGen4000DFc (3,300 W).

Runtime and fuel

At half load, the Champion 201319 4500-Watt Electric Start Dual Fuel Inverter runs about 8 hr 50 min on a tank, versus 4 hr 25 min for the Westinghouse iGen4000DFc.

Noise

The Westinghouse iGen4000DFc is rated at 52 dB(A), the Champion 201319 4500-Watt Electric Start Dual Fuel Inverter at 61 dB(A). A gap of 9 dB is clearly audible: every 10 dB sounds about twice as loud.

Weight and portability

The Westinghouse iGen4000DFc weighs 62.8 lb, the Champion 201319 4500-Watt Electric Start Dual Fuel Inverter 99.2 lb. Per pound, that's 53 W/lb for the Westinghouse iGen4000DFc and 35 W/lb for the Champion 201319 4500-Watt Electric Start Dual Fuel Inverter.

Start, safety and warranty

The Westinghouse iGen4000DFc has remote + electric start, a CO shutoff and a 3 years warranty; the Champion 201319 4500-Watt Electric Start Dual Fuel Inverter has electric start, a CO shutoff and a 3 years warranty.

Our verdict

Choose the Westinghouse iGen4000DFc if you want remote start, a much lower noise rating and a lighter unit.

Choose the Champion 201319 4500-Watt Electric Start Dual Fuel Inverter if you want more running watts and a longer runtime per tank.

Across all our criteria, the Westinghouse iGen4000DFc comes out ahead (6.9/10 versus 6.7/10). Still, the better of the two is the one that fits how you'll use it.

Frequently asked questions

What is the difference between the Westinghouse iGen4000DFc and the Champion 201319 4500-Watt Electric Start Dual Fuel Inverter?

The Westinghouse iGen4000DFc is a dual fuel inverter model with 3,300 running watts, the Champion 201319 4500-Watt Electric Start Dual Fuel Inverter a dual fuel inverter model with 3,500 running watts. At half load, the Champion 201319 4500-Watt Electric Start Dual Fuel Inverter runs about 8 hr 50 min on a tank, versus 4 hr 25 min for the Westinghouse iGen4000DFc.

Which one is quieter?

The Westinghouse iGen4000DFc is rated at 52 dB(A), the Champion 201319 4500-Watt Electric Start Dual Fuel Inverter at 61 dB(A). A gap of 9 dB is clearly audible: every 10 dB sounds about twice as loud.

Which one scores higher?

Across all our criteria, the Westinghouse iGen4000DFc comes out ahead (6.9/10 versus 6.7/10). Still, the better of the two is the one that fits how you'll use it.

The full reviews