2015 head-to-head · Compact Car

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

The 2015 Acura TLX 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 Mercedes-Benz CLS-Class (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

  • Acura TLX
  • Mercedes-Benz CLS-Class

Side by side

Acura TLXMercedes-Benz CLS-Class
$2,116 Your annual fuel cost $2,469
28 MPG Combined efficiency 24 MPG
24 MPG City 20 MPG
35 MPG Highway 29 MPG
93 cu ft Passenger volume 92 cu ft
14 cu ft Cargo volume 11 cu ft
321 g/mi Tailpipe CO₂ (g/mi) 377 g/mi
7/10 EPA fuel economy score 6/10
7/10 EPA greenhouse gas score 6/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.4L 4-cyl Engine / motor 3.0L 6-cyl turbo
8-speed dual-clutch Transmission 7-speed automatic
FWD 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.

Acura TLX vs Mercedes-Benz CLS-Class across model years

  • Acura TLX
  • 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

Per EPA interior volume figures, the Acura TLX has more cargo space (14 vs. 11 cu ft).

Among 52 2015 compact cars, the Acura TLX ranks 42nd and the Mercedes-Benz CLS-Class 47th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2015 Acura TLX or the 2015 Mercedes-Benz CLS-Class?

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

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

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

Which has more cargo space?

The Acura TLX, with 14 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).

Acura TLX vs Mercedes-Benz CLS-Class in other years

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