2016 head-to-head · Compact Car

2016 Audi S4 vs Mercedes-Benz C-Class

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
$2,821/ year to fuel
21 MPG
✓ Cheaper to run
$2,116/ year to fuel
28 MPG

The 2016 Mercedes-Benz C-Class is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,116 a year to fuel (28 MPG), versus $2,821 for the 2016 Audi S4 (21 MPG). That's roughly $705 a year, or about $3,527 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 S4
  • Mercedes-Benz C-Class

Side by side

Audi S4Mercedes-Benz C-Class
$2,821 Your annual fuel cost $2,116
21 MPG Combined efficiency 28 MPG
18 MPG City 25 MPG
28 MPG Highway 34 MPG
90 cu ft Passenger volume 90 cu ft
13 cu ft Cargo volume 13 cu ft
413 g/mi Tailpipe CO₂ (g/mi) 315 g/mi
5/10 EPA fuel economy score 7/10
5/10 EPA greenhouse gas score 7/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
3.0L 6-cyl supercharged Engine / motor 2.0L 4-cyl turbo
7-speed dual-clutch Transmission 7-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 S4 vs Mercedes-Benz C-Class across model years

  • Audi S4
  • Mercedes-Benz C-Class

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

Among 51 2016 compact cars, the Audi S4 ranks 47th and the Mercedes-Benz C-Class 38th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2016 Audi S4 or the 2016 Mercedes-Benz C-Class?

Measured by cost to drive, the Mercedes-Benz C-Class. The Audi S4 is rated 21 MPG combined and the Mercedes-Benz C-Class 28 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2016 Audi S4 vs. the Mercedes-Benz C-Class per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,821 for the Audi S4 and $2,116 for the Mercedes-Benz C-Class.

Audi S4 vs Mercedes-Benz C-Class in other years

More 2016 comparisons

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