2026 GMC Sierra 2WD with Sport Mode Specs
EPA fuel economy, engine specs, and towing capacity
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At a Glance
19
MPG Combined
17 city / 0 hwy
17 city / 0 hwy
2.7L 4-Cylinder
Engine
RWD
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 | Regular | 5.3L V8 | RWD | 16 | 0 | 18 | 495 |
| Automatic 8-spd | Regular | 2.7L 4-Cylinder | RWD | 17 | 0 | 19 | 472 |
Source: EPA FuelEconomy.gov. MPG figures are for reference; actual mileage varies.
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