2008 BMW 3 Series
24 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| 328ci | 18 | 28 | 21 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl | Manual 6-spd |
| 328ci | 19 | 28 | 22 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl | Automatic (S6) |
| 328ci Convertible | 18 | 27 | 21 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl | Automatic (S6) |
| 328ci Convertible | 17 | 27 | 20 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl | Manual 6-spd |
| 328cxi | 17 | 25 | 20 | Premium Gasoline | 4-Wheel or All-Wheel Drive | 3L 6-cyl | Manual 6-spd |
| 328cxi | 17 | 25 | 20 | Premium Gasoline | 4-Wheel or All-Wheel Drive | 3L 6-cyl | Automatic (S6) |
| 328i | 19 | 28 | 22 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl | Automatic (S6) |
| 328i | 18 | 28 | 21 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl | Manual 6-spd |
| 328i Sport Wagon | 18 | 27 | 21 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl | Automatic (S6) |
| 328i Sport Wagon | 17 | 27 | 20 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl | Manual 6-spd |
| 328xi | 17 | 25 | 20 | Premium Gasoline | 4-Wheel or All-Wheel Drive | 3L 6-cyl | Automatic (S6) |
| 328xi | 17 | 25 | 20 | Premium Gasoline | 4-Wheel or All-Wheel Drive | 3L 6-cyl | Manual 6-spd |
| 328xi Sport Wagon | 17 | 25 | 20 | Premium Gasoline | 4-Wheel or All-Wheel Drive | 3L 6-cyl | Manual 6-spd |
| 328xi Sport Wagon | 17 | 25 | 20 | Premium Gasoline | 4-Wheel or All-Wheel Drive | 3L 6-cyl | Automatic (S6) |
| 335ci | 17 | 26 | 20 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl Turbo | Automatic (S6) |
| 335ci | 17 | 26 | 20 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl Turbo | Manual 6-spd |
| 335ci Convertible | 17 | 26 | 20 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl Turbo | Automatic (S6) |
| 335ci Convertible | 17 | 26 | 20 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl Turbo | Manual 6-spd |
| 335cxi | 17 | 25 | 20 | Premium Gasoline | 4-Wheel or All-Wheel Drive | 3L 6-cyl Turbo | Automatic (S6) |
| 335cxi | 16 | 25 | 19 | Premium Gasoline | 4-Wheel or All-Wheel Drive | 3L 6-cyl Turbo | Manual 6-spd |
| 335i | 17 | 26 | 20 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl Turbo | Manual 6-spd |
| 335i | 17 | 26 | 20 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl Turbo | Automatic (S6) |
| 335xi | 16 | 25 | 19 | Premium Gasoline | 4-Wheel or All-Wheel Drive | 3L 6-cyl Turbo | Manual 6-spd |
| 335xi | 17 | 25 | 20 | Premium Gasoline | 4-Wheel or All-Wheel Drive | 3L 6-cyl Turbo | Automatic (S6) |