WEN DF8000X
#1 in Mid-sizeFull review
A mid-size dual-fuel generator for RV owners and homes with a 30 A transfer switch who want CO shutoff and electric start at a low price.
Amazon $623.17$623.17
The WEN DF8000X is the better portable generator overall, rated 4.5 to 4.0. The WEN DF8000X leads on fuel options and value. The Generac GP6500E wins on run time. The WEN DF8000X costs $275.83 less ($623.17 vs $899).
Generac GP6500E
#8 in Mid-sizeFull review
A mid-size gasoline generator for running a home’s essentials through a transfer switch at a low price. A good fit for buyers who don’t need propane.
Amazon $899$899
Prices were last checked October 28, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the WEN DF8000X for fuel options (gasoline or propane vs gasoline only) and value ($0.10 per running watt vs $0.14 per running watt).
- Choose the Generac GP6500E for run time (11.5 hours on a tank at 50% load vs 10.5 hours on a tank at 50% load).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every mid-size portable generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | WEN DF8000X | Generac GP6500E |
|---|---|---|
| Overall rating | 4.5/5 | 4.0/5 |
| Value 30% | 97 $0.10 per running watt | 77 $0.14 per running watt |
| Run time 15% | 65 10.5 hours on a tank at 50% load | 75 11.5 hours on a tank at 50% load |
| Fuel options 15% | 70 gasoline or propane | 0 gasoline only |
| Home hookup 15% | 100 240 V outlet for a transfer switch | 100 240 V outlet for a transfer switch |
| CO safety 10% | 100 shuts off when carbon monoxide builds up | 100 shuts off when carbon monoxide builds up |
| Warranty 10% | 67 3-year warranty | 67 3-year warranty |
| Starting 5% | 80 push-button electric start | 80 push-button electric start |
Specifications
| WEN DF8000X | Generac GP6500E | |
|---|---|---|
| Output | ||
| Gasoline | 6,500 W running, 8,000 W starting | 6,500 W running, 8,125 W starting |
| Propane | 5,850 W running, 7,200 W starting | - |
| Outlets | 4 × 120 V, TT-30 (RV), L14-30 | 4 × 120 V, L14-30 |
| Transfer switch ready | Yes, 240 V | Yes, 240 V |
| Full power at 120 V | Yes | No |
| Price per watt | $0.10 | $0.14 |
| Fuel and run time | ||
| Fuel | Gasoline, propane | Gasoline |
| Tank | 6.7 gal | 7.9 gal |
| Run time (gasoline) | 10.5 hr at 50% load | 11.5 hr at 50% load |
| Engine | 340 cc | 389 cc |
| Noise and safety | ||
| CO shutoff | Yes | Yes |
| CARB compliant | - | No |
| Build | ||
| Starting | Electric and recoil | Electric and recoil |
| Wheels | Yes | Yes |
| Dimensions | 28.54 x 24.61 x 24.96 in | 27.2 x 27 x 26.5 in |
| Weight | 138.8 lb | 182 lb |
| Warranty | 3 years | 3 years |
| Released | 2024-04 | 2023-12 |