BestCarRank
Chevrolet

2025 Chevrolet SUBURBAN 1500

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2025 Chevrolet SUBURBAN 1500 has 36 owner complaints filed with NHTSA — that's 0.5x the segment average of 80. The most common issue is engine problems (39% of all complaints), specifically: the engine in 2025 suburban (6.2l v8) has failed and the car is not drivable. it is currently in a chevy dealership service department waiting for parts. the 2025 model is not listed under the recall. however it should be, i know of 3 2025 engines that have recently failed. i was passing a vehicle .

36

Total Complaints

0

Recalls Issued

/5

Safety Stars

0.5x

vs Segment Avg

Known Problems

ENGINE

14 complaints
39%
  • The engine in 2025 Suburban (6.2L V8) has failed and the car is not drivable. It is currently in a Chevy dealership service department waiting for parts. The 2025 model is not listed under the recall. However it should be, I know of 3 2025 engines that have recently failed. I was passing a vehicle
  • Cause unknown, however, I have discovered that the engine in my Suburban, the Engine code LZO 3.0L Duramax, has damaged itself internally. I have been told that there is a large batch of engines that have this same problem, and the dealership I sent my car to has several cars in the same position. T
  • Purchased the vehicle on April 7, 2025. On 7/15/25, the car had 6948 mi. and started running rough, had a loss of power, an odor from the engine, and then on the display: check engine, blinking green vehicle light, and a message stating that the car was lowering for stability control. Took the veh
Typical onset: 50K miles Est. repair: $500

The engine in 2025 Suburban (6.2L V8) has failed and the car is not drivable. It is currently in a Chevy dealership service department waiting for parts. The 2025 model is not listed under the recall. However it should be, I know of 3 2025 engines that have recently failed. I was passing a vehicle

— NHTSA complaint filing

ELECTRICAL

5 complaints
14%
  • OnStar Module factory defaults/Malfunctioning - Power button don’t turn on so there’s no internet connection. This effect all the safety features in the car. Please recall. There has been numerous incidents reported online to this particular default.
  • Main display, driver display, and HUD froze while driving. Speedometer froze as well. Main display goes back while the driver display freezes. NO blinkers worked. This happened 3x throughout the day. Only way to reset is unhooking the battery.
  • The complete infoentertainment system went out within one week of purchase and has been in the dealership possession since. The dealer’s service department tried to perform updates on the system after the radio went out and it caused the whole dash to go completely black and they haven’t been able t
Typical onset: 50K miles Est. repair: $500

OnStar Module factory defaults/Malfunctioning - Power button don’t turn on so there’s no internet connection. This effect all the safety features in the car. Please recall. There has been numerous incidents reported online to this particular default.

— NHTSA complaint filing

TRANSMISSION

5 complaints
14%
  • Purchased the vehicle on April 7, 2025. On 7/15/25, the car had 6948 mi. and started running rough, had a loss of power, an odor from the engine, and then on the display: check engine, blinking green vehicle light, and a message stating that the car was lowering for stability control. Took the veh
  • 7/13/25: Car repeatedly jerking/shuddering/rough ride. A flashing check engine light came on for 10 or 15 minutes. After stopping car and restarting it, the check engine light went off. 9/15/25: Car jerking and another flashing check engine light. Took to dealership. They drove it and said no
  • Engine failed going 70mph on highway at 2k miles. Display said acceleration no longer available and app said transmission code was needing to be checked however once taking to dealer I was told it was an oil sensor then told there was shredded metal in my engine and I needed a full engine replacemen
Typical onset: 50K miles Est. repair: $500

Purchased the vehicle on April 7, 2025. On 7/15/25, the car had 6948 mi. and started running rough, had a loss of power, an odor from the engine, and then on the display: check engine, blinking green vehicle light, and a message stating that the car was lowering for stability control. Took the veh

— NHTSA complaint filing

OTHER

3 complaints
8%
  • Still, I don’t have a registration
  • My Onstar system is not working properly. I first noticed the Forward Collision light then the Wifi hotspot features not working. Reached out to onstar they couldn’t help then referred to dealership. Visited dealership 8/12/2025 was told there’s no error code although they see what’s happening. Doin
  • My rear passenger door flys open while driving. It happens during very cold weather. It also will not latch when trying to shut it after getting off the road and trying to shut it. My daughter has been in the seat next to the door each time and it has happened multiple times. Betten Chevrolet has tr
Typical onset: 50K miles Est. repair: $500

Still, I don’t have a registration

— NHTSA complaint filing

SPEED CONTROL

3 complaints
8%
  • The contact owns a 2025 Chevrolet Suburban. The contact stated that the "Adaptive Cruise Control Temporarily Unavailable" message was displayed on the instrument panel. The vehicle was taken to a local dealer where the vehicle was diagnosed, and the contact was advised that the radar was faulty and
  • 7/13/25: Car repeatedly jerking/shuddering/rough ride. A flashing check engine light came on for 10 or 15 minutes. After stopping car and restarting it, the check engine light went off. 9/15/25: Car jerking and another flashing check engine light. Took to dealership. They drove it and said no
  • Engine failed going 70mph on highway at 2k miles. Display said acceleration no longer available and app said transmission code was needing to be checked however once taking to dealer I was told it was an oil sensor then told there was shredded metal in my engine and I needed a full engine replacemen
Typical onset: 50K miles Est. repair: $500

The contact owns a 2025 Chevrolet Suburban. The contact stated that the "Adaptive Cruise Control Temporarily Unavailable" message was displayed on the instrument panel. The vehicle was taken to a local dealer where the vehicle was diagnosed, and the contact was advised that the radar was faulty and

— NHTSA complaint filing

Estimated Repair Costs

ENGINE(~50K mi)
$500
ELECTRICAL(~50K mi)
$500
TRANSMISSION(~50K mi)
$500
OTHER(~50K mi)
$500
SPEED CONTROL(~50K mi)
$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 36 owner complaints for this specific year, here's what to check or ask about:

  • ENGINE: The engine in 2025 Suburban (6.2L V8) has failed and the car is not drivable. It is currently in a Chevy dealership service department waiting for parts. The 2025 model is not listed under the recall. However it should be, I know of 3 2025 engines that have recently failed. I was passing a vehicle

    Typically appears around 50K miles. Repair cost ~$500

  • ELECTRICAL: OnStar Module factory defaults/Malfunctioning - Power button don’t turn on so there’s no internet connection. This effect all the safety features in the car. Please recall. There has been numerous incidents reported online to this particular default.

    Typically appears around 50K miles. Repair cost ~$500

  • TRANSMISSION: Purchased the vehicle on April 7, 2025. On 7/15/25, the car had 6948 mi. and started running rough, had a loss of power, an odor from the engine, and then on the display: check engine, blinking green vehicle light, and a message stating that the car was lowering for stability control. Took the veh

    Typically appears around 50K miles. Repair cost ~$500

  • OTHER: Still, I don’t have a registration

    Typically appears around 50K miles. Repair cost ~$500

  • General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

Chevrolet SUBURBAN 1500 — Year Comparison

How does 2025 compare to other years? Fewer complaints = more reliable.

Full years-to-avoid analysis →

NHTSA Safety Rating

No NHTSA safety rating available

At a Glance

Complaints
36
Recalls
0
Fire reports
0
Crash reports
0
Injury reports
0
Segment avg
80

Check a Specific VIN

See recalls for YOUR 2025 Chevrolet SUBURBAN 1500