2015 head-to-head · Compact Car

2015 Lexus IS 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
$2,469/ year to fuel
24 MPG
✓ Cheaper to run
$2,116/ year to fuel
28 MPG

The 2015 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 $2,469 for the 2015 Lexus IS (24 MPG). That's roughly $353 a year, or about $1,763 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

  • Lexus IS
  • Mercedes-Benz C-Class

Side by side

Lexus ISMercedes-Benz C-Class
$2,469 Your annual fuel cost $2,116
24 MPG Combined efficiency 28 MPG
21 MPG City 25 MPG
30 MPG Highway 33 MPG
90 cu ft Passenger volume 90 cu ft
11 cu ft Cargo volume 13 cu ft
364 g/mi Tailpipe CO₂ (g/mi) 318 g/mi
6/10 EPA fuel economy score 7/10
6/10 EPA greenhouse gas score 7/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.5L 6-cyl Engine / motor 2.0L 4-cyl turbo
6-speed automatic Transmission 7-speed automatic
RWD 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.

Lexus IS vs Mercedes-Benz C-Class across model years

  • Lexus IS
  • 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

Per EPA interior volume figures, the Mercedes-Benz C-Class has more cargo space (13 vs. 11 cu ft).

Among 52 2015 compact cars, the Lexus IS ranks 46th and the Mercedes-Benz C-Class 40th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2015 Lexus IS or the 2015 Mercedes-Benz C-Class?

Measured by cost to drive, the Mercedes-Benz C-Class. The Lexus IS is rated 24 MPG combined and the Mercedes-Benz C-Class 28 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 Lexus IS vs. the Mercedes-Benz C-Class per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,469 for the Lexus IS and $2,116 for the Mercedes-Benz C-Class.

Which has more cargo space?

The Mercedes-Benz C-Class, with 13 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).

Lexus IS vs Mercedes-Benz C-Class in other years

More 2015 comparisons

Or compare the 2015 Lexus IS with anything else:

Keep exploring