BMW 330ci Convertible
19.5 MPG The 2006 BMW 330ci Convertible is EPA-rated at 19.5 MPG combined (16.5 city / 24.5 highway). Over 15,000 miles a year that is about 769 gallons, $2462 a year in fuel, or $0.164 per mile at $3.20/gal.
Across its full 2001–2006 run it averages 19.7 MPG, essentially flat across 6 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.128 | $1282 | $1923 | $2564 |
| $3.00/gal | $0.154 | $1538 | $2308 | $3077 |
| $3.20/gal | $0.164 | $1641 | $2462 | $3282 |
| $3.50/gal | $0.179 | $1795 | $2692 | $3590 |
| $4.00/gal | $0.205 | $2051 | $3077 | $4103 |
| $4.50/gal | $0.231 | $2308 | $3462 | $4615 |
| $5.00/gal | $0.256 | $2564 | $3846 | $5128 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2006 | 19.5 MPG | 16.5 | 24.5 | $3950 | 456 | 2 |
| 2005 | 19.7 MPG | 16.7 | 24.7 | $3917 | 452 | 3 |
| 2004 | 19.7 MPG | 16.7 | 24.7 | $3917 | 452 | 3 |
| 2003 | 20 MPG | 17 | 25.5 | $3850 | 444 | 2 |
| 2002 | 19.5 MPG | 16.5 | 25 | $3950 | 456 | 2 |
| 2001 | 19.5 MPG | 16.5 | 25 | $3950 | 456 | 2 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 68 minicompact cars models tracked here, the BMW 330ci Convertible ranks 41 on current figures, against a class average of 22.5 MPG.
Closest more-efficient alternatives in the same class: Aston Martin DB11 V8 (20), Porsche 911 Carrera 4 (20), Porsche 911 Carrera 4 Cabriolet (20), Porsche 911 Carrera 4S (20), Porsche 911 Carrera 4S Cabriolet (20).
Tailpipe CO₂ is rated at 456 grams per mile, which works out to roughly 6.8 tonnes a year at 15,000 miles.
Questions
What MPG does the BMW 330ci Convertible get?
The 2006 BMW 330ci Convertible is rated at 19.5 MPG combined by the EPA — 16.5 city and 24.5 highway. Across all 6 model years in the database it averages 19.7 MPG, ranging from 19 to 20 depending on year and trim.
How much does a BMW 330ci Convertible cost in fuel per year?
At 19.5 MPG and 15,000 miles a year, it burns about 769 gallons — roughly $2462 a year with fuel at $3.20 a gallon, or $0.164 per mile. The EPA's own published annual figure for the 2006 model is $3950.
Has the BMW 330ci Convertible become more efficient over time?
Barely. It sits at 19.5 MPG today against 19.5 in 2001 — essentially flat across 6 model years, with efficiency gains offset by weight and power creep.
Is the BMW 330ci Convertible efficient for its class?
It ranks 41 of 68 in the Minicompact Cars class on current figures, against a class average of 22.5 MPG. That is 3.0 worse than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.