2026 Mazda 3 4-Door 4WD vs 2027 BMW 430i Gran Coupe
| EPA figure | 2026 Mazda 3 4-Door 4WD | 2027 BMW 430i Gran Coupe |
|---|---|---|
| Model year | 2026 | 2027 |
| Body · drive | Compact · 4-Wheel Drive · Gas | Compact · Rear-Wheel Drive · Hybrid |
| Combined MPG | 29 | 30 |
| City / highway MPG | 26 / 34 | 27 / 35 |
| Fuel a year | $2,300 | $2,750 |
| Tailpipe CO₂ (g/mi) | 306 | 290 |
| Engine | 2.5 L 4-cyl | 2.0 L 4-cyl turbo |
| Transmission | Automatic (S6) | Automatic (S8) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.