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Customer reviews for Generac 8917 GP18000EFI 18,000-Watt Gas-Powered Electric-Start Portable Generator for
Generac 8917 GP18000EFI 18,000-Watt Gas-Powered Electric-Start Portable Generator
4.6 out of 5 stars
stars1,696 ratings1,696 reviews
  1. 5 stars79% (1,332)
  2. 4 stars14% (245)
  3. 3 stars2% (40)
  4. 2 stars1% (20)
  5. 1 star3% (59)

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Showing 171-180 of 1,696 reviews
Apr 28, 2025
dianem484_3590
5 out of 5 stars review

Great item to have handy.

[This review was collected as part of a promotion.] Great item. It us loud but not horribly loud. We hooked it up to the propane tank which it started up immediately. Great handle that bends down for storage. Many plugs to be used. A great item to have in your home for emergency. Every home should have one.

Review from influenster.com
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Apr 26, 2025
Anonymous
5 out of 5 stars review

Fantastic

[This review was collected as part of a promotion.] Oh wow! What an amazing opportunity to try this. We did use natural gas in this just to try it out and it was incredibly powerful! The unit is noisy but not so much that it would be a disturbance. Our old generator was much louder. This unit is quite compact and easy to move around. It will definitely come in handy when the power goes out! Love that it takes 3 different types of fuel too. Very convenient. Generac is such a trusted brand that lasts too!

Review from influenster.com
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Apr 28, 2025
M Margarite
3 out of 5 stars review

????

I used my generator once up to this point. It powered my house for a day. It’s a duel fuel generator, I wanted to use the propane option, read and reread the manual numerous times, but could not get it to work. I used gas. In order to get it looked at I’d have to lift the generator into my suv, which is impossible. I feel it’s ridiculous that I can’t get someone to my house to look at it, get it working properly.

Review from generac.com
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May 1, 2025
zolotkoann_8240
5 out of 5 stars review

Recommend

[This review was collected as part of a promotion.] This generator is awesome. You can use gas, propane, or natural gas. Super easy to start and works great during power outages. It runs for a long time and has safety features too. Really happy with it!

Review from influenster.com
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Apr 19, 2025
Bob In
1 out of 5 stars review

Poor Quality, not recommended

Very poor. Bought GP6500 just after Helene last year. Took 2 days and a lot of energy (it gave me a good workout pulling the starter) to get it to start. I tried leaving a review then at Generac's website using the link they provided, that didn't work either. I bought another generator, better quality, different brand, for reliability.

Review from generac.com
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Apr 18, 2025
Hurricane Paul
4 out of 5 stars review

I bought this during hurricane season since my other generator did not put out power anymore,it started great but shut down 15 min. later, I can restart it, but it kept shutting off every few minutes. The CO2 sensor is just too sensitive. You can’t have it near anything pretty much out in the open. It’s kinda hard when it’s raining and you can’t even run it under a tarp other than that, I guess it’s a good machine. Hopefully it will start up for me next Hurricane season, I would give it a five star if there is a way to disconnect that CO2 sensor and not void warranty

Review from generac.com
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Apr 24, 2025
shelleys39_3282
5 out of 5 stars review

Easy to use, powerful generator!

[This review was collected as part of a promotion.] This is a powerful generator! It is very durable and a medium size, so you can move it around if needed. Easy to use and hook up to your appliances. There is some noise but half of the noise of my neighbors generator. This is a must buy!

Review from influenster.com
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May 14, 2025
jessicao37_6951
5 out of 5 stars review

Impressive power and feature!

[This review was collected as part of a promotion.] Worth every cent!! Top of the line!!! This is absolutely an amazing generator—-I mean, top of the line brand, and just remarkable specs. It can run on gasoline, liquid propane, or natural gas. It offers 12500 starting watts of power and 9500 running watts. This generator gives me so much comfort that if something happens, I know we will have power and everything will okay until the power comes back! It can run from 3 fuel sources which makes it convenient for many emergencies or when you need it most. The wattage and power is impressive. I highly recommend this generator— worth every single penny!!

Review from influenster.com
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May 10, 2025
Anonymous
5 out of 5 stars review

Must have for hurricane season!

[This review was collected as part of a promotion.] This TriFuel Generator by Generac is going to come in very handy come hurricane season. Living in central Florida, a generator is a must have! This one runs on natural gas, gasoline and propane. We tried it first with propane and it started right up with the battery start, and it quickly shut right off when we closed to valve on the propane tank. Last year there was a huge issue with finding gas after Hurricane Milton, now that we can also use propane I feel so much more prepared!

Review from influenster.com
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Apr 27, 2025
MMMM
2 out of 5 stars review

Not the quality produced I expected

I purchased my Generac generator right after the hurricane and initially it worked fine. After a day or so the 120V electrical panel started malfunctioning - the Ground Fault breaker kept tripping under load. Then it wouldn't reset at all. I had to source a four prong plug from Illinois to use the other electrical panel and that took days to get here. So, I had to go purchase a second generator - not a Generac. After normal household power returned, I took the Generac to a repair shop where it sat for four months waiting on parts. Overall, I don't think I would recommend a Generac to anyone. Poor quality and even worse warranty service. Now I have an $800 paper weight.

Review from generac.com
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