2003 Porsche Boxster
4 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| Boxster | 18 | 27 | 21 | Premium Gasoline | Rear-Wheel Drive | 2.7L 6-cyl | Manual 5-spd |
| Boxster | 16 | 24 | 19 | Premium Gasoline | Rear-Wheel Drive | 2.7L 6-cyl | Automatic (S5) |
| Boxster S | 16 | 24 | 19 | Premium Gasoline | Rear-Wheel Drive | 3.2L 6-cyl | Manual 6-spd |
| Boxster S | 15 | 24 | 18 | Premium Gasoline | Rear-Wheel Drive | 3.2L 6-cyl | Automatic (S5) |