2015 head-to-head · Compact Car

2015 Lexus IS vs Mercedes-Benz CLS-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
$2,469/ year to fuel
24 MPG

On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas, the most efficient 2015 Lexus IS (24 MPG) costs about $2,469 a year to fuel and the 2015 Mercedes-Benz CLS-Class (24 MPG) about $2,469.

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 CLS-Class

Side by side

Lexus ISMercedes-Benz CLS-Class
$2,469 Your annual fuel cost $2,469
24 MPG Combined efficiency 24 MPG
21 MPG City 20 MPG
30 MPG Highway 29 MPG
90 cu ft Passenger volume 92 cu ft
11 cu ft Cargo volume 11 cu ft
364 g/mi Tailpipe CO₂ (g/mi) 377 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
2.5L 6-cyl Engine / motor 3.0L 6-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 CLS-Class across model years

  • Lexus IS
  • Mercedes-Benz CLS-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 52 2015 compact cars, the Lexus IS ranks 46th and the Mercedes-Benz CLS-Class 47th for lowest fuel cost.

Frequently asked questions

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

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

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

More 2015 comparisons

Or compare the 2015 Lexus IS with anything else:

Keep exploring