2018 Gmc Sierra 1500: Reliability Data

Source: NHTSA — 405 complaints
405
Total Complaints
33,000mi
Median Mileage
Power Train
Top Issue
16
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

10,000 25th Percentile
33,000 Median Mileage
60,475 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Power Train
121
Engine
60
Electrical System
40
Service Brakes
38
Steering
27
Unknown Or Other
24
Fuel/Propulsion System
10
Suspension
9
Air Bags
8
Wheels
7

Severity Assessment

16
Crashes
3
Fires
8
Injuries
0
Deaths

Sample Complaint Reports

"WHEN DRIVING VEHICLE AT ANY SPEED IT STEERS TO THE LEFT OR RIGHT . NOT A SIMPLE ALIGNMENT PULL OR WANDER I CAN FEEL THE WHEEL AS TO WHICH WAY IT WANTS TO STEER AT RANDOM. IF NOT PAYING ATTENTION OR IF YOU WERE TO LET GO OF THE STEERING WHEEL IT WILL GO OFF THE ROAD ABSOLUTLY NOT SAFE TO DRIVE. WHILE..."
"WHEN DRIVING VEHICLE AT ANY SPEED IT STEERS TO THE LEFT OR RIGHT . NOT A SIMPLE ALIGNMENT PULL OR WANDER I CAN FEEL THE WHEEL AS TO WHICH WAY IT WANTS TO STEER AT RANDOM. IF NOT PAYING ATTENTION OR IF YOU WERE TO LET GO OF THE STEERING WHEEL IT WILL GO OFF THE ROAD ABSOLUTLY NOT SAFE TO DRIVE. WHILE..."
"WHEN DRIVING VEHICLE AT ANY SPEED IT STEERS TO THE LEFT OR RIGHT . NOT A SIMPLE ALIGNMENT PULL OR WANDER I CAN FEEL THE WHEEL AS TO WHICH WAY IT WANTS TO STEER AT RANDOM. IF NOT PAYING ATTENTION OR IF YOU WERE TO LET GO OF THE STEERING WHEEL IT WILL GO OFF THE ROAD ABSOLUTLY NOT SAFE TO DRIVE. WHILE..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Power Train 121 complaints
25th: 10,750 mi Median: 29,281 mi 75th: 52,700 mi
Engine 60 complaints
25th: 31,500 mi Median: 47,000 mi 75th: 68,000 mi
Electrical System 40 complaints
25th: 15,750 mi Median: 31,500 mi 75th: 66,750 mi
Service Brakes 38 complaints
25th: 2,225 mi Median: 11,500 mi 75th: 22,326 mi
Steering 27 complaints
25th: 4,500 mi Median: 16,500 mi 75th: 43,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

TX: 50 FL: 28 CA: 27 MI: 21 IN: 14 TN: 14 AZ: 13 LA: 13 AL: 13 IL: 12

Who Files Complaints?

0.5%
Original Owners
99.5%
Second+ Owners

Gmc Sierra 1500 — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
19971000
1998686
199918210
200021515
200117114
200219220
200321015
200425312
20052186
200618212
200731011
200843813
20092785
20102151
20113629
20121437
20131472
2014102039
201591429
201643614
201746522
201978319
202060415
20216177
20226178
20234709
20243655
20251097
2026500

Active Recalls (6)

Federal safety recalls issued for this vehicle.

Vacuum
Campaign 19V645000 | 06/09/2019
As the vacuum level drops, the brake assist decreases, increasing braking effort, extending the distance required to stop the vehicle, thereby increasing the risk of a crash.
GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began October 8, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-458-8006 or GMC customer service at 1-800-462-8782. GM's num
Wheel Speed Sensor/Tone Ring
Campaign 19V761000 | 24/10/2019
Unintended activation of the driveline-protection system will cause unintended braking on the wheel on the opposite side of the failed sensor, causing the vehicle to pull to one side unexpectedly, increasing the risk of a crash.
GM will notify owners, and dealers will reprogram the EBCM, free of charge. The recall began December 11, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438 or GMC customer service at 1-800-462-8782. GM's number for this recall is N192261050.
Vacuum
Campaign 20V603000 | 01/10/2020
A decrease in brake assist can increase the brake pedal effort and distance required to stop the vehicle, increasing the risk of a crash.
GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began November 11, 2020. Owners may contact GM customer service at 1-866-522-9559, Cadillac customer service at 1-800-458-8006 or Chevrolet customer service at 1-800-630-2438. GM's nu
Inflator
Campaign 24V756000 | 10/10/2024
A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the vehicle, increasing the risk of injury or crash.
Dealers will replace the left and right side RRAB modules, free of charge. Owner notification letters were mailed November 8, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020, and GMC Customer Service at 888-988-7267. GM's number for this recall is N242474500.
Air Bags
Campaign 25V432000 | 26/06/2025
A detached end cap or inflator rupture can allow compressed gas to escape and project the end cap or fragments of the inflator into the vehicle, increases the risk of injury or crash.
Dealers will replace the left and right side RRAB modules, free of charge. Owner notification letters were mailed July 23, 2025. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252513060.
Air Bags
Campaign 26V166000 | 19/03/2026
A detached end cap or inflator rupture can allow compressed gas to escape and project the end cap or fragments of the inflator into the vehicle, increasing the risk of injury.
Dealers will replace the left and right-side RRAB modules, free of charge. Owner notification letters are expected to be mailed May 4, 2026. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N262549710. Vehicle I

Extend Your Transmission Life

Based on the most common issues reported for this vehicle.

  • Change transmission fluid at manufacturer intervals — not 'lifetime' fluid
  • Come to a full stop before shifting from reverse to drive
  • Don't ride the brakes on hills — use a lower gear
  • Check transmission fluid level and color monthly — dark fluid needs changing
  • Address slipping, hard shifts, or delayed engagement immediately

Vehicle Rankings

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Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28