2015 head-to-head · Subcompact Car

2015 Audi TT Coupe 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.

Swap sides
✓ Cheaper to run
$2,279/ year to fuel
26 MPG

AWD · 2.0L 4-cyl turbo · 6-speed dual-clutch · 26 MPG

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

The 2015 Audi TT Coupe is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,279 a year to fuel (26 MPG), versus $2,370 for the 2015 BMW 6 Series (25 MPG). That's roughly $91 a year, or about $456 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 TT Coupe
  • BMW 6 Series

Side by side

Audi TT CoupeBMW 6 Series
$2,279 Your annual fuel cost $2,370
26 MPG Combined efficiency 25 MPG
22 MPG City 21 MPG
31 MPG Highway 31 MPG
74 cu ft Passenger volume 87 cu ft
13 cu ft Cargo volume 13 cu ft
345 g/mi Tailpipe CO₂ (g/mi) 361 g/mi
6/10 EPA fuel economy score 6/10
6/10 EPA greenhouse gas score 6/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 3.0L 6-cyl turbo
6-speed dual-clutch Transmission 8-speed automatic
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 TT Coupe vs BMW 6 Series across model years

  • Audi TT Coupe
  • 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 passenger space (87 vs. 74 cu ft).

Among 36 2015 subcompact cars, the Audi TT Coupe ranks 18th and the BMW 6 Series 21st for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2015 Audi TT Coupe or the 2015 BMW 6 Series?

Measured by cost to drive, the Audi TT Coupe. The Audi TT Coupe is rated 26 MPG combined and the BMW 6 Series 25 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 Audi TT Coupe vs. the BMW 6 Series per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,279 for the Audi TT Coupe and $2,370 for the BMW 6 Series.

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