2015–2026 · 12 model years · 74 recalls
Avoid the 2019, 2020, 2021, 2022, 2023 and 2024 GMC Sierra 1500: they score lowest for reliability, with the most owner complaints for each car sold. The best years to buy are 2015, 2016 and 2017.
Well below average for its class. Expected repairs: $7,641 over 5 years. Biggest repair risk: engine & cooling, about $4,076 over 5 years. 1 recall, 378 owner complaints.
Well below average for its class. Expected repairs: $8,859 over 5 years. Biggest repair risk: engine & cooling, about $4,629 over 5 years. 3 recalls, 503 owner complaints.
Well below average for its class. Expected repairs: $10,162 over 5 years. Biggest repair risk: engine & cooling, about $5,360 over 5 years. 6 recalls, 602 owner complaints.
Well below average for its class. Expected repairs: $10,903 over 5 years. Biggest repair risk: engine & cooling, about $5,977 over 5 years. 7 recalls, 598 owner complaints.
Well below average for its class. Expected repairs: $9,685 over 5 years. Biggest repair risk: engine & cooling, about $5,076 over 5 years. 10 recalls, 658 owner complaints.
Well below average for its class. Expected repairs: $8,917 over 5 years. Biggest repair risk: engine & cooling, about $4,738 over 5 years. 12 recalls, 484 owner complaints.
Well above average for its class. Expected repairs: $4,860 over 5 years. Biggest repair risk: transmission & drivetrain, about $2,299 over 5 years. 8 recalls, 343 owner complaints.
Above average for its class. Expected repairs: $5,920 over 5 years. Biggest repair risk: transmission & drivetrain, about $2,422 over 5 years. 9 recalls, 720 owner complaints.
Above average for its class. Expected repairs: $5,669 over 5 years. Biggest repair risk: transmission & drivetrain, about $2,772 over 5 years. 6 recalls, 355 owner complaints.
| Generation | Years | Average score | Verdict |
|---|---|---|---|
| K2 | 2015–2018 | 66/100 | Above average |
| T1 | 2019–2024 | 11/100 | Well below average |
| Model year | Reliability | Complaints | Recalls | Best mpg |
|---|---|---|---|---|
| 2026 Sierra 1500 | Not rated yet | 211 | 2 | 19 |
| 2025 Sierra 1500 | Not rated yet | 267 | 3 | 26 |
| 2024 Sierra 1500 | 4/100 · Well below average | 378 | 1 | 20 |
| 2023 Sierra 1500 | 6/100 · Well below average | 503 | 3 | 20 |
| 2022 Sierra 1500 | 10/100 · Well below average | 602 | 6 | 20 |
| 2021 Sierra 1500 | 12/100 · Well below average | 598 | 7 | 21 |
| 2020 Sierra 1500 | 18/100 · Well below average | 484 | 12 | 21 |
| 2019 Sierra 1500 | 16/100 · Well below average | 658 | 10 | 21 |
| 2018 Sierra 1500 | 53/100 · About average | 305 | 7 | 20 |
| 2017 Sierra 1500 | 65/100 · Above average | 355 | 6 | 20 |
| 2016 Sierra 1500 | 80/100 · Well above average | 343 | 8 | 20 |
| 2015 Sierra 1500 | 67/100 · Above average | 720 | 9 | 20 |
Reliability compares each year with similar cars from 2015 to 2024, using owner complaints filed with NHTSA per car sold. Complaint counts on their own aren't a score: popular cars get more of them.
Avoid the 2019, 2020, 2021, 2022, 2023 and 2024 GMC Sierra 1500: they score lowest for reliability, with the most owner complaints for each car sold. The best years to buy are 2015, 2016 and 2017.
The 2016 scores best for reliability (80/100) of the years we rate.
The 2020, with 12 recalls on record with NHTSA.