2021 BMW 4 Series
Subcompact Cars · Rear-Wheel Drive · Premium Gasoline
29
Combined MPG
26
City MPG
34
Highway MPG
—
Safety Rating
📊 Key Statistics — 2021 BMW 4 Series
- Combined fuel economy: 29 MPG (26 city / 34 highway)
- Annual fuel cost: $2,400
- CO₂ emissions: 304 grams/mile
- Recalls: 6
Specifications
| Make | BMW · Company Profile |
| Model | 4 Series |
| Year | 2021 |
| Class | Subcompact Cars |
| Drive | Rear-Wheel Drive |
| Transmission | Automatic (S8) |
| Fuel Type | Premium Gasoline |
| Cylinders | 4 |
| Engine Size | 2.0L |
EPA Scores
| Fuel Economy Score | 6/10 |
| Greenhouse Gas Score | 6/10 |
| You Save/Spend vs Average | $-1,250 over 5 years |
Annual Fuel Cost
| Annual Fuel Cost (15K mi, $3.50/gal) | $1810 |
| Monthly Fuel Cost | $151 |
| Cost per Mile (fuel only) | $12¢ |
Based on 15,000 miles/year and $3.50/gallon national average.
Compare This Car
BMW 4 Series — MPG by Year
| Year | MPG | |
|---|---|---|
| 2027 | 31 | ↑ |
| 2026 | 31 | ↑ |
| 2025 | 31 | ↑ |
| 2024 | 28 | ↓ |
| 2023 | 28 | ↓ |
| 2022 | 28 | ↓ |
| 2020 | 27 | ↓ |
| 2019 | 27 | ↓ |
| 2018 | 27 | ↓ |
| 2017 | 27 | ↓ |
Similar 2021 Subcompact Cars
- BMW i3 — 113 MPG
- MINI Cooper — 108 MPG
- Chevrolet Spark — 33 MPG
- Mercedes-Benz A-Class — 29 MPG
- Lexus LC — 29 MPG
- MINI John Cooper Works — 29 MPG
- BMW 2 Series — 28 MPG
- Mercedes-Benz C-Class — 27 MPG