2004 BMW 645ci
19MPG
Combined
3
Trims
2004
2005 →
Updated February 27, 2026
The 2004 BMW 645ci is a Compact Sedan that delivers 17–19 combined MPG depending on trim. Here’s everything you need to know about this vehicle, from fuel economy to safety ratings.
2004 BMW 645ci Specifications
| Spec | Value |
|---|---|
| Combined MPG | 17–19 combined MPG depending on trim |
| City MPG | 16 |
| Highway MPG | 24 |
| Body Style | Compact Sedan |
| Fuel Type | Premium |
| Drive | RWD |
| Available Trims | 3 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Man | 15/23/18 | 4.4L 8cyl | Manual 6-spd |
| 8 cyl | 16/24/19 | 4.4L 8cyl | Automatic (S6) |
| 8 cyl | 15/22/17 | 4.4L 8cyl | Automatic (S6) |
Annual Fuel Cost
Based on EPA estimates, the 2004 BMW 645ci costs approximately $3,250 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
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Other Model Years
- 2005 BMW 645ci
- 2004 (this page)
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