2017 head-to-head · Subcompact Car
2017 Audi A3 vs BMW 6 Series
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2017 Audi A3 is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, it costs about $1,603 a year to fuel (29 MPG), versus $2,469 for the 2017 BMW 6 Series (24 MPG). That's roughly $865 a year, or about $4,327 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Audi A3
- BMW 6 Series
Side by side
| Audi A3 | BMW 6 Series | |
|---|---|---|
| $1,603 | Your annual fuel cost | $2,469 |
| 29 MPG | Combined efficiency | 24 MPG |
| 26 MPG | City | 21 MPG |
| 35 MPG | Highway | 30 MPG |
| 86 cu ft | Passenger volume | 87 cu ft |
| 12 cu ft | Cargo volume | 13 cu ft |
| 303 g/mi | Tailpipe CO₂ (g/mi) | 368 g/mi |
| 7/10 | EPA fuel economy score | 5/10 |
| 7/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 3.0L 6-cyl turbo |
| 7-speed dual-clutch | Transmission | 8-speed automatic |
| FWD | Drivetrain | RWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Audi A3 vs BMW 6 Series across model years
- Audi A3
- BMW 6 Series
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Per EPA interior volume figures, the BMW 6 Series has more cargo space (13 vs. 12 cu ft).
Among 43 2017 subcompact cars, the Audi A3 ranks 7th and the BMW 6 Series 26th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2017 Audi A3 or the 2017 BMW 6 Series?
Measured by cost to drive, the Audi A3. The Audi A3 is rated 29 MPG combined and the BMW 6 Series 24 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2017 Audi A3 vs. the BMW 6 Series per year?
At 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, about $1,603 for the Audi A3 and $2,469 for the BMW 6 Series.
Which has more cargo space?
The BMW 6 Series, with 13 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
Audi A3 vs BMW 6 Series in other years
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