2024 GMC Sierra 4WD AT4X Specs
EPA fuel economy, engine specs, and towing capacity
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At a Glance
19
MPG Combined
19 city / 0 hwy
19 city / 0 hwy
3.0L V6
Engine
4WD
Drivetrain
$2,763
Est. annual fuel
15k mi @ $3.50/gal
15k mi @ $3.50/gal
All Trim Levels — Fuel Economy
| Trim / Transmission | Fuel Type | Engine | Drive | City | Hwy | Combined | CO₂ (g/mi) |
|---|---|---|---|---|---|---|---|
| Automatic 10-spd | Premium | 6.2L V8 | 4WD | 14 | 0 | 15 | 601 |
| Automatic 10-spd | Diesel | 3.0L V6 | 4WD | 19 | 0 | 19 | 524 |
Source: EPA FuelEconomy.gov. MPG figures are for reference; actual mileage varies.
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