2003 BMW M5 vs 2003 BMW Z4 Roadster
| EPA figure | 2003 BMW M5 | 2003 BMW Z4 Roadster |
|---|---|---|
| Model year | 2003 | 2003 |
| Body · drive | Compact · Rear-Wheel Drive · Gas | Two Seaters · Rear-Wheel Drive · Gas |
| Combined MPG | 15 | 21 |
| City / highway MPG | 12 / 19 | 18 / 26 |
| Fuel a year | $5,500 | $3,900 |
| Tailpipe CO₂ (g/mi) | 592 | 423 |
| Engine | 4.9 L 8-cyl | 2.5 L 6-cyl |
| Transmission | Manual 6-spd | Automatic (S5) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.