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22 Generac products rated

Generac generators 2026: every model rated

Generac makes 17 of the generators we review, from 2,500 W to 19,300 W peak: six dual fuel (two of them tri-fuel), seven inverters, eleven gasoline-only. The best-rated is the Generac 10,000W Gas, Electric Start at 7.4/10, and the rest follow in rating order with the last price we recorded.

Category
Rating

22 products

7.4/10
Generac 10,000W Gas, Electric Start
8,000 W running · 10,000 W peak · GasolineGenerac 10,000W Gas, Electric Start$1,049 on Sep 30, 2026, may have changedSpec-based rating
7.4/10
Generac 12,500W Tri Fuel EFI
8,550 W running · Gasoline, Propane, Natural gasGenerac 12,500W Tri Fuel EFI$1,399 on Sep 30, 2026, may have changedSpec-based rating
7.4/10
Generac 6484 Maintenance Kit
Generac 6484 Maintenance Kit$29.99 on Sep 30, 2026, may have changedSpec-based rating
7.4/10
Generac 6485 Maintenance Kit
Generac 6485 Maintenance Kit$29.99 on Sep 30, 2026, may have changedSpec-based rating
7.3/10
Generac 12,500W Tri-Fuel
9,500 W running · 12,500 W peak · Gasoline, Propane, Natural gasGenerac 12,500W Tri-Fuel$1,169 on Sep 30, 2026, may have changed48 buyer reviews
7.2/10
Generac 3,300W Inverter
2,500 W running · 3,300 W peak · GasolineGenerac 3,300W Inverter$849 on Sep 30, 2026, may have changedSpec-based rating
7.1/10
Generac 2,500W Inverter
2,200 W running · 2,500 W peak · GasolineGenerac 2,500W Inverter$599 on Sep 30, 2026, may have changedSpec-based rating
7.1/10
Generac 4,000W Inverter
3,000 W running · 4,000 W peak · Gasoline, PropaneGenerac 4,000W Inverter$899 on Sep 30, 2026, may have changedSpec-based rating
7.1/10
Generac 8,125W Gas, Electric Start
6,500 W running · 8,125 W peak · GasolineGenerac 8,125W Gas, Electric Start$899 on Sep 30, 2026, may have changedSpec-based rating
7.1/10
Generac 8,125W Gas with Cord
6,500 W running · 8,125 W peak · GasolineGenerac 8,125W Gas with Cord$879 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
Generac 10,000W Gas
10,000 W peak · GasolineGenerac 10,000W Gas$1,299 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
Generac 6,875W Gas EFI
6,875 W peak · GasolineGenerac 6,875W Gas EFI$1,099 on Sep 30, 2026, may have changedSpec-based rating
7.0/10
Generac 8,250W Dual Fuel
8,250 W peak · Gasoline, PropaneGenerac 8,250W Dual Fuel$899 on Sep 30, 2026, may have changedSpec-based rating
6.8/10
Generac 19,300W Gas
19,300 W peak · GasolineGenerac 19,300W GasSee current priceSpec-based rating
6.8/10
Generac 4,500W Gas
3,600 W running · 4,500 W peak · GasolineGenerac 4,500W Gas$549 on Sep 30, 2026, may have changedSpec-based rating
6.7/10
Generac 5,200W Dual Fuel Inverter
3,900 W running · 5,200 W peak · Gasoline, PropaneGenerac 5,200W Dual Fuel Inverter$1,249 on Sep 30, 2026, may have changed93 buyer reviews
6.5/10
Generac GP3300i
GasolineGenerac GP3300iSee current priceSpec-based rating
6.4/10
Generac 3,500W Inverter
GasolineGenerac 3,500W Inverter$1,159.29 on Sep 30, 2026, may have changedSpec-based rating
6.4/10
Generac 3,800W Dual Fuel Inverter
Gasoline, PropaneGenerac 3,800W Dual Fuel Inverter$939 on Sep 30, 2026, may have changedSpec-based rating
5.7/10
Generac 0J932300 Maintenance Kit
Generac 0J932300 Maintenance Kit$77.88 on Sep 30, 2026, may have changedSpec-based rating
5.6/10
Generac 0J93230SSM Maintenance Kit
Generac 0J93230SSM Maintenance Kit$75.99 on Sep 30, 2026, may have changedSpec-based rating
5.6/10
Generac 5W-20 Kit for 20-26kW
Generac 5W-20 Kit for 20-26kW$74.99 on Sep 30, 2026, may have changedSpec-based rating

Product images: Amazon listings

Frequently asked questions

Which Generac generator is the best?

By our rating, the Generac 10,000W Gas, Electric Start at 7.4/10, a spec-based rating (no buyer-review record captured yet); its listing states 8,000 W running and 10,000 W peak. Next: the Generac 12,500W Tri Fuel EFI at 7.4/10.

Are Generac generators any good?

We don't run generators ourselves, so we go by the record. Two of the 17 Generac generators we rate have a buyer-review record (141 reviews in total); the others are rated from their listed specs. Ratings run from 6.4 to 7.4 out of 10, and two of them make at least one of our rankings.

Does Generac make dual fuel, inverter or tri-fuel generators?

Among the Generac models we rate: 6 dual fuel (gasoline and propane), 2 of them also natural gas (tri-fuel), 7 inverters and 11 gasoline-only, per their listings.

What is the most powerful Generac generator?

The Generac 19,300W Gas, whose listing states 19,300 W peak, rated 6.8/10. Running watts, not the peak, decide what it carries for hours.

Where do Generac generators rank?

The Generac 12,500W Tri-Fuel is #4 in our dual fuel generators ranking; the Generac 12,500W Tri-Fuel is #4 in our 50 amp rv generators ranking; the Generac 5,200W Dual Fuel Inverter is #4 in our dual fuel inverter generators ranking.

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