2017 head-to-head · Compact Car

2017 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
$2,821/ year to fuel
21 MPG

The 2017 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 $2,821 for the 2017 Mercedes-Benz CLS-Class (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

  • Acura TLX
  • Mercedes-Benz CLS-Class

Side by side

Acura TLXMercedes-Benz CLS-Class
$2,116 Your annual fuel cost $2,821
28 MPG Combined efficiency 21 MPG
24 MPG City 18 MPG
35 MPG Highway 26 MPG
93 cu ft Passenger volume 92 cu ft
14 cu ft Cargo volume 11 cu ft
321 g/mi Tailpipe CO₂ (g/mi) 425 g/mi
6/10 EPA fuel economy score 4/10
6/10 EPA greenhouse gas score 4/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.4L 4-cyl Engine / motor 4.7L 8-cyl turbo
8-speed dual-clutch Transmission 9-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 50 2017 compact cars, the Acura TLX ranks 36th and the Mercedes-Benz CLS-Class 45th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2017 Acura TLX or the 2017 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 21 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2017 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 $2,821 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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