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Customer reviews for Generac GP6500 6,500W/8,125W Generator + CO-Sense for
Generac GP6500 6,500W/8,125W Generator + CO-Sense
4.6 out of 5 stars
stars1,734 ratings1,731 reviews
  1. 5 stars78% (1,356)
  2. 4 stars15% (260)
  3. 3 stars2% (41)
  4. 2 stars1% (19)
  5. 1 star3% (58)
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Showing 11-20 of 1,731 reviews
Jul 28, 2025
princsskik_5636
5 out of 5 stars review

An upgrade

[This review was collected as part of a promotion.] This generator is fantastic in quality, as one would expect from the leaders in generators. We live in Florida and store insulin along with medical equipment that has to be charged regularly so this is a must for power outages. I hated not knowing if we'd have enough gas to last us, but having three fuel sources relieves my mind. Our house has natural gas already, and we regularly have multiple LP tanks, so it's nice not having to worry about gas fumes from storing gasoline or trying to find gas during storm prep unless we want to. It's a bit large for traveling with it, but this would be an awesome unit for camping if you need a lot of plug-ins powered up and have a truck bed to load it on. The unit itself is easy to start, and easy enough to wheel around short distances. It has multiple outlets to connect into, and a panel to show how long it's running. It's really simple to use, although we have solar on our house so we can't connect into the main panel without some extra costs, so extension cords are the maximum of our experience so far. The unit is quieter than our previous model despite it being larger.

Review from influenster.com
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Jan 25, 2017
HappyCamper62
5 out of 5 stars review

Verified Purchase

This product has every thing I need in a portable generator

I was able to get this generator on sale. So I was able to purchase a larger one than originally intending to buy. It has all the features I need in a portable generator. It was easy to assemble and it started right up after adding fuel. I have not had to use it yet for emergency power but it should be able to handle all of our basic needs.

Review from generac.com
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Jun 1, 2017
Mike
4 out of 5 stars review

Verified Purchase

Easy start

Turned it on and no electric powe on all the outlet. Pressed the circuit breaker still no power. Got a pencil a pushed harder and got power. Those buttons have to be pushed in deeper than I would have expected . Haven't had the opportunity to use it yet. We have been lucky, haven't lost power yet.

Review from generac.com
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May 4, 2025
Kent
1 out of 5 stars review

Terrible warranty/parts service

I have had this machine for about two years. I am giving Generac one star because their customer service and warranty repair is very poor. I was not able to acquire a warranty part from the factory. My dealer was not able to acquire the warranty part from the factory. I could only find one repair shop that was willing to do warranty work for portable Generac, generators, and they took six months to repair my machine because Generac did not quickly supply them with the warranty part that they needed to repair my machine.

Review from generac.com
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Aug 28, 2025
pom_mom_7543
5 out of 5 stars review

This generator is a beast

[This review was collected as part of a promotion.] The Generac GP9500E Tri-Fuel is a fortress of reliable portable power. It stands out for its substantial output, multi-fuel adaptability, and safety focus. While it leans into simplicity over tech-savvy features and isn't the lightest or most efficient, it packs an outstanding value for serious backup power needs.

Review from influenster.com
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Sep 6, 2020
Bertus
4 out of 5 stars review

Verified Purchase

Works as advertised.

Generac GP7500E performs as noted in sales literature. Purchased as temporary backup house power. Test run confirmed this unit runs minimum house appliances (2 split aircon units, refrigerator, tv, WiFi, house receptacles and lights). It is a bit loud, but appears to be quite fuel efficient.

Review from generac.com
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Jun 2, 2017
Hereibee
4 out of 5 stars review

Verified Purchase

Overall a very good product.

This generator performs very well. I really like the fact that the 240 volt plug has a real circuit breaker rather than the pop out type. Makes a big difference in hot weather. The only thing I don't like is that it does not charge the battery when running. After multiple starts you have to charge it with a charger.

Review from generac.com
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Jan 19, 2021
John82
5 out of 5 stars review

Verified Purchase

Mr

Product fantastic price wise compared to generators of less quality. Product has a pleasant physical appearance and we love the color. We appreciate the recoil starter just in case the battery goes down or bad. Noise level much lower than other models we have seen. Control panel easy to read.

Review from generac.com
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Oct 7, 2017
Harry1
4 out of 5 stars review

Verified Purchase

This is a good product, I hope it last for years!

It runs good and the hurricane is over and I will store it until the next one hits and some poor people need power and I will hook it up for them as I did this time. Hope it works the. As a retired Millwright I have stored it with all precautions needed to use it then.

Review from generac.com
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Jan 29, 2017
pawpaw
5 out of 5 stars review

Verified Purchase

More power for your needs.

Retired my older Generac for this newer more powerful generator that was on sale. We love how easy it starts and the nicer panel lets you monitor output. There is now plenty of power for our emergency situations. If you don't have a generator or are wanting to upgrade, then this is your baby.

Review from generac.com
Helpful?4XEQDTW4PP0513783915873