2025 GMC Sierra 3500HD Consumer Reviews
Pricing
Pro (Most Popular) - $53,195 MSRP
Edmunds suggests you pay
$48,7676 for sale near you
Prices based on sales in SC thru 5/12/25
We have a limited number of reviews for the 2025 Sierra 3500HD, so we've included reviews for other years of the Sierra 3500HD since its last redesign.
Top running Lights!!!
GMC , 08/17/2020
2020 GMC Sierra 3500HD AT4 4dr Crew Cab 4WD SB (6.6L 8cyl 6A)
3 of 17 people found this review helpful
Why do they need to to put the running lights on top?? Think it makes it look cheap. Think looks more rugged without lights on top. Fender lights don't bother me although. Beautiful truck.
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Buyer beware - incompatible electric to hydraulic
JinIndiana, 08/23/2024
2024 GMC Sierra 3500HD Denali 4dr Crew Cab 4WD SB (6.6L 8cyl 10A)
0 of 0 people found this review helpful
Just purchased a 2024 GMC Sierra 3500 for the whole purpose to pull our RV. Problem exist where the GMC errors out and disables brakes while driving. Inconsistent behavior. Always connects and remains active until something happens that it senses an issue and disables the trailer brakes. Odd that it reconnects the brake when vehicle comes to a complete stop (0 MPH) and/or put into park. GMC is blaming the brake actuator manufacturer. However, my RV worked fine on my 2022 GMC 2500 with no errors. GMC is basically saying it’s not my problem and produced a bulletin which pretty much blames the brake actuator simulator and says they are clean. I argue there are probably others with the same issue using an electric to hydraulic brake system. I also argue that to put this bulletin out after my purchase and my issue is bad customer service and support. If they don’t work with all third party manufacturers they should say that up front. So if you want a truck for pulling RVs without conditional parameters that are not publish, look for another truck. I gave a 3 because other than this trailering brake issue the truck performance is spot on. It’s a shame their engineers are ignoring this problem and left me to work around.
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2025 GMC Sierra 3500HD for sale near you
3 of 46 listings
- Denali Ultimate Diesel Crew CabMSRP: $102,7097 mi away
- SLT Diesel Crew CabMSRP: $86,4257 mi away
- Denali Ultimate Diesel Crew CabMSRP: $102,7097 mi away
See all 46 listings
Big white truck
Buildme1, 12/14/2023
2024 GMC Sierra 3500HD Denali 4dr Crew Cab 4WD LB (6.6L 8cyl 10A)
0 of 0 people found this review helpful
Pros. Solid truck that does everything well! Cons. New infotainment system has bugs and not intuitive or easy to use.
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Beast
Char, 01/26/2024
2023 GMC Sierra 3500HD Denali 4dr Crew Cab 4WD SB (6.6L 8cyl 6A)
0 of 0 people found this review helpful
Love this truck it is beautiful
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Best truck I’ve owned
M Bammel, 04/27/2025
2020 GMC Sierra 3500HD 4dr Double Cab LB (6.6L 8cyl 6A)
0 of 0 people found this review helpful
Only issue I have is not GM’s fault. The emissions system hinders this truck’s true potential. Otherwise it has done everything I’ve ever asked it to.
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