2008 BMW 1 Series
8 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| 128i | 18 | 28 | 21 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl | Manual 6-spd |
| 128i | 19 | 28 | 22 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl | Automatic (S6) |
| 128i Convertible | 18 | 27 | 21 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl | Automatic (S6) |
| 128i Convertible | 18 | 28 | 21 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl | Manual 6-spd |
| 135i | 17 | 25 | 20 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl Turbo | Manual 6-spd |
| 135i | 18 | 26 | 21 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl Turbo | Automatic (S6) |
| 135i Convertible | 17 | 26 | 20 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl Turbo | Manual 6-spd |
| 135i Convertible | 17 | 26 | 20 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl Turbo | Automatic (S6) |