2018 head-to-head · Subcompact Car

2018 Audi TTS 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
$2,370/ year to fuel
25 MPG

AWD · 2.0L 4-cyl turbo · 6-speed dual-clutch · 25 MPG

✓ Cheaper to run
$2,576/ year to fuel
23 MPG

The 2018 Audi TTS Coupe 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 $2,576 for the 2018 BMW 6 Series (23 MPG). That's roughly $206 a year, or about $1,030 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 TTS Coupe
  • BMW 6 Series

Side by side

Audi TTS CoupeBMW 6 Series
$2,370 Your annual fuel cost $2,576
25 MPG Combined efficiency 23 MPG
23 MPG City 20 MPG
27 MPG Highway 29 MPG
74 cu ft Passenger volume 88 cu ft
13 cu ft Cargo volume 11 cu ft
358 g/mi Tailpipe CO₂ (g/mi) 378 g/mi
5/10 EPA fuel economy score 5/10
5/10 EPA greenhouse gas score 5/10
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 TTS Coupe vs BMW 6 Series across model years

  • Audi TTS 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 (88 vs. 74 cu ft); the Audi TTS Coupe has more cargo space (13 vs. 11 cu ft).

Among 44 2018 subcompact cars, the Audi TTS Coupe ranks 25th and the BMW 6 Series 28th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2018 Audi TTS Coupe or the 2018 BMW 6 Series?

Measured by cost to drive, the Audi TTS Coupe. The Audi TTS Coupe is rated 25 MPG combined and the BMW 6 Series 23 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2018 Audi TTS Coupe vs. the BMW 6 Series per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,370 for the Audi TTS Coupe and $2,576 for the BMW 6 Series.

Which has more cargo space?

The Audi TTS Coupe, with 13 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).

Audi TTS Coupe vs BMW 6 Series in other years

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