CO₂ emissions: 6 of 6 variants rated.
Chevrolet Alero 3.4 SC tops the Chevrolet Alero ranking by CO₂ emissions, at 286 g/km.
Across 6 ranked variants, CO₂ emissions spans from 224 g/km to 286 g/km.
| # | Variant | Year | Body | Fuel | CO₂ emissions |
|---|---|---|---|---|---|
| 1 | Chevrolet Alero 3.4 SC | 1999 | Sedan | Petrol | 286 g/km |
| 2 | Chevrolet Alero 3.4 SD | 1999 | Sedan | Petrol | 286 g/km |
| 3 | Chevrolet Alero 2.4 SA | 2001 | Sedan | Petrol | 224 g/km |
| 4 | Chevrolet Alero 2.4 SB | 2001 | Sedan | Petrol | 224 g/km |
| 5 | Chevrolet Alero 2.4 SA | 1999 | Sedan | Petrol | 224 g/km |
| 6 | Chevrolet Alero 2.4 SB | 1999 | Sedan | Petrol | 224 g/km |