
2023 Gmc SIERRA 2500
Problems, Recalls & Reliability Report
Quick Summary
The 2023 Gmc SIERRA 2500 has 34 owner complaints filed with NHTSA — that's 0.7x the segment average of 52. The most common issue is transmission problems (56% of all complaints), specifically: the contact owns a 2023 gmc sierra 2500. the contact stated that while driving at an undisclosed speed, the contact smelled an abnormal odor. the vehicle was taken to the dealer; however, no failure was found. the contact stated that while driving at an undisclosed speed, the contact heard an abnorm. There is 1 recall issued for this model year.
34
Total Complaints
1
Recalls Issued
—/5
Safety Stars
0.7x
vs Segment Avg
Known Problems(top 5 of 8)
TRANSMISSION
19 complaints- • The contact owns a 2023 GMC Sierra 2500. The contact stated that while driving at an undisclosed speed, the contact smelled an abnormal odor. The vehicle was taken to the dealer; however, no failure was found. The contact stated that while driving at an undisclosed speed, the contact heard an abnorm
- • The contact owns a 2023 GMC Sierra 2500. The contact stated while driving 45 MPH, the vehicle was losing motive power. The contact depressed the accelerator pedal; however, the vehicle failed to respond. The contact stated that the engine was revving abnormally. The contact stated that the check eng
- • The valve body inside the transmission has failed and GM has known it to fail but they have done nothing about it. My vehicle has been in the shop for 2 months because of it and “parts are on back order” it’s terrible i’ve bought this vehicle in august and it’s constantly been inside the shop for va
“The contact owns a 2023 GMC Sierra 2500. The contact stated that while driving at an undisclosed speed, the contact smelled an abnormal odor. The vehicle was taken to the dealer; however, no failure was found. The contact stated that while driving at an undisclosed speed, the contact heard an abnorm”
— NHTSA complaint filing
Recalls (1)
General Motors, LLC (GM) is recalling certain 2020-2024 Chevrolet Silverado 2500, 3500, GMC Sierra 2500 and 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently unlatching while the vehicle is in park.
Risk: An unlatched tailgate may open while driving and result in a loss of unsecured cargo, creating a road hazard and increasing the risk of a crash.
Fix: Owners are advised to check that the tailgate is closed and latched before driving. Dealers will replace the exterior touchpad switch assemblies, free of charge. Owner notification letters were mailed May 17, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N232426400.
Estimated Insurance Cost for 2023 Gmc SIERRA 2500
How this estimate is calculated
Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.
Maintenance & Warranty
Recommended Gmc SIERRA 2500 Service Intervals
Uses GM Oil Life System. Full-size trucks may have shorter differential and transfer case intervals if used for towing.
"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.
Gmc New-Vehicle Warranty Coverage
Estimated Repair Costs
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 34 owner complaints for this specific year, here's what to check or ask about:
- ☐TRANSMISSION: The contact owns a 2023 GMC Sierra 2500. The contact stated that while driving at an undisclosed speed, the contact smelled an abnormal odor. The vehicle was taken to the dealer; however, no failure was found. The contact stated that while driving at an undisclosed speed, the contact heard an abnorm
Typically appears around 50K miles. Repair cost ~$500
- ☐ELECTRICAL: Bought the truck brand new. within a week the service trailer brake warning light came on. has been to the dealership 3 times and they still cant fix it. This affects towing of the trailer with no trailer brakes.
Typically appears around 50K miles. Repair cost ~$500
- ☐ENGINE: Defective valve body We took in our vehicle for issues with the engine. We were not able to drive it over 50 mph it only has 22,000 miles. The dealership has had the vehicle since August 13th. They have had the vehicle for 9 weeks. They said that neither them or customer [XXX] (CASE # [XXX]
Typically appears around 50K miles. Repair cost ~$500
- ☐OTHER: No incident as of yet. The wide angle driver mirror cannot be set high enough to see down the side of the truck. It is a factory installed towing mirror. I have to lower my my seat all of the way and I cannot see the top rail of the bed. The mirror won't let me see down the side of the truck which m
Typically appears around 50K miles. Repair cost ~$500
- ☐RECALLS: Verify all 1 recall have been completed — free at any Gmc dealer
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Gmc SIERRA 2500 — Year Comparison
How does 2023 compare to other years? Fewer complaints = more reliable.
NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 34
- Recalls
- 1
- Fire reports
- 0
- Crash reports
- 1
- Injury reports
- 2
- Segment avg
- 52
Check a Specific VIN
See recalls for YOUR 2023 Gmc SIERRA 2500