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 4.3. The WEN DF8000X leads on value. The WEN DF8000X costs $275.83 less ($623.17 vs $899).
Generac GP6700E Dual Fuel
#6 in Mid-sizeFull review
A mid-size dual-fuel generator for home backup at a low price, for buyers who want propane as a fallback. The 50-state fuel-injected model costs more.
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 value ($0.10 per running watt vs $0.13 per running watt).
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 GP6700E Dual Fuel |
|---|---|---|
| Overall rating | 4.5/5 | 4.3/5 |
| Value 30% | 97 $0.10 per running watt | 79 $0.13 per running watt |
| Run time 15% | 65 10.5 hours on a tank at 50% load | 70 11 hours on a tank at 50% load |
| Fuel options 15% | 70 gasoline or propane | 70 gasoline or propane |
| 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 | 50 warranty not published (neutral score used) |
| Starting 5% | 80 push-button electric start | 80 push-button electric start |
Specifications
| WEN DF8000X | Generac GP6700E Dual Fuel | |
|---|---|---|
| Output | ||
| Gasoline | 6,500 W running, 8,000 W starting | 6,700 W running, 8,250 W starting |
| Propane | 5,850 W running, 7,200 W starting | 6,000 W running, 7,425 W starting |
| Outlets | 4 × 120 V, TT-30 (RV), L14-30 | L14-30 |
| Transfer switch ready | Yes, 240 V | Yes, 240 V |
| Full power at 120 V | Yes | No |
| Price per watt | $0.10 | $0.13 |
| Fuel and run time | ||
| Fuel | Gasoline, propane | Gasoline, propane |
| Tank | 6.7 gal | 7.5 gal |
| Run time (gasoline) | 10.5 hr at 50% load | 11 hr at 50% load |
| Run time (propane, 20 lb tank) | - | 6 hr |
| Engine | 340 cc | 340 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 | - |
| Weight | 138.8 lb | 174.2 lb |
| Warranty | 3 years | - |
| Released | 2024-04 | - |