2023 GMC Sierra 4WD
3.0L 6-cyl · 10-speed automatic · 4WD
Official EPA record #45802 from FuelEconomy.gov · data 2026-07-26 · every assumption below is yours to edit. How this is computed
Per month
$213.75
Per year
$2,565
Per mile
21.4¢/mi
5-year total
$12,825
Your own average replaces the EPA laboratory values — never averaged together with them — and the driving-mix setting stops applying, because a figure you measured already contains your own mix.
Notes & official EPA estimate
Official FuelEconomy.gov estimate: $3,250/year — assumes 15,000 miles/year and EPA price assumptions. The figures above use your inputs instead.
GMC Sierra: running costs for every model year →
Official EPA efficiency
| Measure | Value |
|---|---|
| City MPG | 22 |
| Highway MPG | 27 |
| Combined MPG | 24 |
Official EPA estimates
| Estimate | Value |
|---|---|
| Official annual fuel cost (15,000 mi/yr) | $3,250/yr |
| Tailpipe CO₂ | 423 g/mi |
| EPA greenhouse gas score | 4/10 |
| EPA smog rating (Federal Tier 3 Bin 70) | 5/10 |
Source: U.S. EPA / DOE FuelEconomy.gov, vehicle record #45802 (record updated 2023-04-11). Snapshot processed 2026-07-26; page data last changed 2023-04-11.
View this record on FuelEconomy.gov — includes owner-shared real-world MPG for this vehicle.
Related configurations
Same year, same family
- Sierra 2WD · 5.3L 8-cyl · 10-speed automatic · RWD2023
- Sierra 2WD · 5.3L 8-cyl · 10-speed automatic · RWD2023
- Sierra 2WD · 3.0L 6-cyl · 10-speed automatic · RWD2023
- Sierra 2WD · 5.3L 8-cyl · 10-speed automatic · RWD2023
- Sierra 2WD · 5.3L 8-cyl · 10-speed automatic · RWD2023
- Sierra 2WD · 2.7L 4-cyl · 8-speed automatic · RWD2023
- Sierra 2WD · 2.7L 4-cyl · 8-speed automatic · RWD2023
- Sierra 4WD · 5.3L 8-cyl · 10-speed automatic · 4WD2023
Adjacent model years
- Sierra 2WD · 5.3L 8-cyl · 10-speed automatic · RWD2024
- Sierra 2WD · 5.3L 8-cyl · 10-speed automatic · RWD2024
- Sierra 2WD · 5.3L 8-cyl · 10-speed automatic · RWD2024
- Sierra 2WD · 5.3L 8-cyl · 10-speed automatic · RWD2024
- Sierra 2WD · 3.0L 6-cyl · 10-speed automatic · RWD2024
- Sierra 4WD · 5.3L 8-cyl · 10-speed automatic · 4WD2024
- Sierra Mud Terrain Tires 4WD · 5.3L 8-cyl · 10-speed automatic · 4WD2024
- Sierra 4WD · 6.2L 8-cyl · 10-speed automatic · 4WD2024