GMC Sierra 1500 MPG by Year
EPA rates the best gas Sierra 1500 of each model year at 18 to 21 mpg combined, the best hybrid at 21 to 22 mpg (2010 to 2013), and the best diesel at 25 to 26 mpg (2020 to 2026).
Every year from 2010 to 2026 is below, with city and highway ratings and EPA's yearly cost to run each version.
Every Sierra 1500 model year
Newest first. Each cell is the best-rated version of that kind that year, with its city and highway ratings and EPA's yearly cost to run it. Open a year for every version.
| Model year | Best gas | Best hybrid | Best diesel |
|---|---|---|---|
| 20 mpg 18 city / 21 hwy $3,350 a year | – | 25 mpg 23 city / 28 hwy $3,850 a year | |
| 19 mpg 18 city / 21 hwy $3,550 a year | – | 26 mpg 23 city / 29 hwy $3,700 a year | |
| 20 mpg 18 city / 22 hwy $3,350 a year | – | 25 mpg 23 city / 29 hwy $3,850 a year | |
| 20 mpg 19 city / 22 hwy $3,350 a year | – | 26 mpg 24 city / 29 hwy $3,700 a year | |
| 20 mpg 19 city / 22 hwy $3,350 a year | – | 26 mpg 23 city / 30 hwy $3,700 a year | |
| 21 mpg 20 city / 23 hwy $3,200 a year | – | 26 mpg 23 city / 30 hwy $3,700 a year | |
| 21 mpg 20 city / 23 hwy $3,200 a year | – | 26 mpg 23 city / 30 hwy $3,700 a year | |
| 21 mpg 20 city / 23 hwy $3,200 a year | – | – | |
| 20 mpg 18 city / 24 hwy $3,350 a year | – | – | |
| 20 mpg 18 city / 24 hwy $3,350 a year | – | – | |
| 20 mpg 18 city / 23 hwy $3,350 a year | – | – | |
| 20 mpg 18 city / 24 hwy $3,350 a year | – | – | |
| 20 mpg 18 city / 23 hwy $3,350 a year | – | – | |
| 18 mpg 15 city / 22 hwy $3,700 a year | 21 mpg 20 city / 23 hwy $3,200 a year | – | |
| 18 mpg 15 city / 22 hwy $3,700 a year | 21 mpg 20 city / 23 hwy $3,200 a year | – | |
| 18 mpg 15 city / 22 hwy $3,700 a year | 21 mpg 20 city / 23 hwy $3,200 a year | – | |
| 18 mpg 15 city / 22 hwy $3,700 a year | 22 mpg 21 city / 22 hwy $3,050 a year | – |
When the best ratings changed
Each year against the model year before it. Years not listed kept the same best ratings.
- 2011 Hybrid down 1 mpg to 21
- 2014 Gas up 2 mpg to 20; no hybrid version
- 2019 Gas up 1 mpg to 21
- 2020 Diesel version added, at 26 mpg
- 2022 Gas down 1 mpg to 20
- 2024 Diesel down 1 mpg to 25
- 2025 Gas down 1 mpg to 19; diesel up 1 mpg to 26
- 2026 Gas up 1 mpg to 20; diesel down 1 mpg to 25
GMC Sierra 1500 best combined rating by model year
The best-rated gas and hybrid version of each model year, from EPA.
- Best gas version
- Best hybrid version
2026: gas 20 mpg · hybrid not offeredTap or drag across the chart for other years.
Show as a table
| Model year | Best gas version | Best hybrid version |
|---|---|---|
| 2010 | 18 | 22 |
| 2011 | 18 | 21 |
| 2012 | 18 | 21 |
| 2013 | 18 | 21 |
| 2014 | 20 | – |
| 2015 | 20 | – |
| 2016 | 20 | – |
| 2017 | 20 | – |
| 2018 | 20 | – |
| 2019 | 21 | – |
| 2020 | 21 | – |
| 2021 | 21 | – |
| 2022 | 20 | – |
| 2023 | 20 | – |
| 2024 | 20 | – |
| 2025 | 19 | – |
| 2026 | 20 | – |
Sierra 1500 years to avoid and problems by year
How the Sierra 1500's fuel economy since 2010 compares with 54 other models
Questions
Which GMC Sierra 1500 year has the best MPG?
By EPA's ratings, the best gas Sierra 1500 gets 21 mpg combined (2019 to 2021); the best hybrid version gets 22 mpg (2010); the best diesel version gets 26 mpg (2020 to 2023 and 2025).
How much better is the Sierra 1500 hybrid's MPG?
In 2013, EPA rates the best Sierra 1500 hybrid at 21 mpg combined, against 18 mpg for the best gas version: 3 mpg more.
How much does a year of fuel cost for a GMC Sierra 1500?
At EPA's current prices and 15,000 miles a year, the best gas version costs $3,200 (2019 to 2021) to $3,700 (2010 to 2013); the best hybrid version costs $3,050 (2010) to $3,200 (2011 to 2013); the best diesel version costs $3,700 (2020 to 2023 and 2025) to $3,850 (2024 and 2026). Each year's page has the cost of every version.
Sources and method
- US EPA and Department of Energy fuel economy data (fueleconomy.gov), file dated Sep 29, 2026.
- EPA fuel price assumptions: regular $4.47, midgrade $5.07, premium $5.48, diesel $6.38 a gallon; electricity $0.15 per kWh. The yearly cost is EPA's estimate for 15,000 miles, 55% of them in the city; a plug-in hybrid's assumes EPA's typical mix of charging and gas.
Ratings are EPA estimates. Real-world mileage depends on how, where and in what weather you drive. How we build these pages. Spotted an error? Tell us.