2018 head-to-head · Subcompact Car

2018 Audi S3 vs BMW M

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$2,370/ year to fuel
25 MPG

AWD · 2.0L 4-cyl turbo · 7-speed dual-clutch · 25 MPG

✓ Cheaper to run
$2,693/ year to fuel
22 MPG

The 2018 Audi S3 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,370 a year to fuel (25 MPG), versus $2,693 for the 2018 BMW M (22 MPG). That's roughly $323 a year, or about $1,616 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 S3
  • BMW M

Side by side

Audi S3BMW M
$2,370 Your annual fuel cost $2,693
25 MPG Combined efficiency 22 MPG
22 MPG City 20 MPG
28 MPG Highway 26 MPG
86 cu ft Passenger volume 89 cu ft
10 cu ft Cargo volume 10 cu ft
359 g/mi Tailpipe CO₂ (g/mi) 395 g/mi
5/10 EPA fuel economy score 4/10
5/10 EPA greenhouse gas score 4/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 3.0L 6-cyl turbo
7-speed dual-clutch Transmission 7-speed dual-clutch
AWD 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 S3 vs BMW M across model years

  • Audi S3
  • BMW M

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 M has more passenger space (89 vs. 86 cu ft).

Among 44 2018 subcompact cars, the Audi S3 ranks 24th and the BMW M 29th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2018 Audi S3 or the 2018 BMW M?

Measured by cost to drive, the Audi S3. The Audi S3 is rated 25 MPG combined and the BMW M 22 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2018 Audi S3 vs. the BMW M per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,370 for the Audi S3 and $2,693 for the BMW M.

Audi S3 vs BMW M in other years

More 2018 comparisons

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