1999 BMW 3 Series
14 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| 318ti | 20 | 30 | 24 | Regular Gasoline | Rear-Wheel Drive | 1.9L 4-cyl | Manual 5-spd |
| 318ti | 20 | 29 | 23 | Regular Gasoline | Rear-Wheel Drive | 1.9L 4-cyl | Automatic 4-spd |
| 323i | 18 | 26 | 21 | Regular Gasoline | Rear-Wheel Drive | 2.5L 6-cyl | Manual 5-spd |
| 323i | 17 | 26 | 20 | Regular Gasoline | Rear-Wheel Drive | 2.5L 6-cyl | Automatic 5-spd |
| 323i Convertible | 17 | 25 | 20 | Regular Gasoline | Rear-Wheel Drive | 2.5L 6-cyl | Automatic 4-spd |
| 323i Convertible | 18 | 28 | 22 | Regular Gasoline | Rear-Wheel Drive | 2.5L 6-cyl | Manual 5-spd |
| 323is | 17 | 25 | 20 | Regular Gasoline | Rear-Wheel Drive | 2.5L 6-cyl | Automatic 4-spd |
| 323is | 18 | 28 | 22 | Regular Gasoline | Rear-Wheel Drive | 2.5L 6-cyl | Manual 5-spd |
| 328i | 18 | 26 | 21 | Regular Gasoline | Rear-Wheel Drive | 2.8L 6-cyl | Manual 5-spd |
| 328i | 17 | 25 | 20 | Regular Gasoline | Rear-Wheel Drive | 2.8L 6-cyl | Automatic 5-spd |
| 328i Convertible | 18 | 27 | 21 | Regular Gasoline | Rear-Wheel Drive | 2.8L 6-cyl | Manual 5-spd |
| 328i Convertible | 18 | 25 | 20 | Regular Gasoline | Rear-Wheel Drive | 2.8L 6-cyl | Automatic 4-spd |
| 328is | 18 | 25 | 20 | Regular Gasoline | Rear-Wheel Drive | 2.8L 6-cyl | Automatic 4-spd |
| 328is | 18 | 27 | 21 | Regular Gasoline | Rear-Wheel Drive | 2.8L 6-cyl | Manual 5-spd |