SEDAN · Premium gas
BMW 3 Series (330i) Fuel Cost
Benchmark sports sedan with a turbo four, available AWD and class-leading driving feel. Below are estimated fuel costs based on 30 combined MPG and average US gas prices.
Best for daily commuters who want low fuel bills and easy parking.
- Cheap to run
- Average efficiency
- Updated for 2026
- EPA-style MPG
- US avg fuel prices
- US units
- Transparent assumptions
26 MPG
36 MPG
30 MPG
15.6 gal
~468 mi
MPG breakdown
Estimated fuel cost at 12,000 miles/year
Based on 30 MPG and $4.10/gal.
Annual cost
$1640
Monthly cost
$137
Cost per mile
$0.137
Gallons / year
400
Estimate your own cost
Pre-filled with the BMW 3 Series (330i)'s combined MPG.
Pre-filled with estimated combined MPG for the BMW 3 Series (330i). Adjust for your real-world driving.
Estimated Annual Cost
$0.00
Per Month
$0.00
Per Mile
$0.000
~400 gallons per year
Cost by annual mileage
How much you'll spend per year at common US mileage levels (estimates).
| Miles per year | Gallons / year | Annual cost | Monthly cost |
|---|---|---|---|
| 8,000 | 267 | $1093 | $91 |
| 12,000 | 400 | $1640 | $137 |
| 15,000 | 500 | $2050 | $171 |
Estimates only. Actual costs depend on driving style, terrain, weather, and local fuel or electricity prices.
How we estimate BMW 3 Series (330i) costs
- MPG / MPGe
- EPA-style combined city + highway figures for the base trim and recent model year.
- Fuel price
- Average US retail regular gas, premium where required, or per-kWh electricity.
- Annual mileage
- Default scenarios at 8,000 / 12,000 / 15,000 miles per year.
- Trim & year variance
- AWD, larger wheels, towing packages and older years can lower efficiency 5–15%.
Sources & assumptions
- EPA fuel economy data — City / highway / combined MPG and MPGe baselines.
- U.S. Department of Energy (fueleconomy.gov) — Vehicle efficiency and EV range references.
- AAA gas price trends — Recent national and regional retail fuel averages.
- EIA electricity rates — Average residential per-kWh prices used for EV charging.
We summarize publicly available data — no scraping, no external API calls. Figures are calibrated periodically; use the calculators above for your exact inputs.
Frequently asked questions
What is the estimated annual fuel cost for the BMW 3 Series (330i)?
Driving 12,000 miles per year at 30 MPG and $4.10/gal, expect about $1640 per year. Heavier city driving or longer commutes will increase that.
What MPG does the BMW 3 Series (330i) get?
Estimated EPA-style ratings are roughly 26 city / 36 highway / 30 combined MPG. Real-world numbers depend on terrain, climate and driving style.
What is the tank size of the BMW 3 Series (330i)?
The BMW 3 Series (330i) typically has a 15.6-gallon tank. At 30 combined MPG, that's roughly 468 miles of driving range per fill-up.
How does BMW 3 Series (330i) fuel cost compare to other vehicles?
At 12,000 miles per year, this vehicle costs about $1640. Compare it to other sedans on our index page or use the cost-per-mile calculator to compare two specific vehicles side-by-side.
Cheaper-to-drive alternatives
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Compare the BMW 3 Series (330i) head-to-head
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