Chevrolet Silverado 4WD ZR2 (Sport/Off Road) Fuel Economy History
MPG by year — EPA official data.
Best MPG Year
2026
21 MPG combined
Latest Model
2026
21 MPG combined
| Year | Engine | City | Hwy | Combined | Fuel Cost/yr | |
|---|---|---|---|---|---|---|
| 2026 | Diesel Diesel | 20 | 23 | 21 | $4,050 | Details → |