2015 head-to-head · Two-Seater

2015 BMW Z4 vs Mercedes-Benz SLK-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.

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✓ Cheaper to run
$2,279/ year to fuel
26 MPG
✓ Cheaper to run
$2,279/ year to fuel
26 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 BMW Z4 (26 MPG) costs about $2,279 a year to fuel and the 2015 Mercedes-Benz SLK-Class (26 MPG) about $2,279.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • BMW Z4
  • Mercedes-Benz SLK-Class

Side by side

BMW Z4Mercedes-Benz SLK-Class
$2,279 Your annual fuel cost $2,279
26 MPG Combined efficiency 26 MPG
22 MPG City 23 MPG
32 MPG Highway 32 MPG
345 g/mi Tailpipe CO₂ (g/mi) 342 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
2.0L 4-cyl turbo Engine / motor 1.8L 4-cyl turbo
8-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.

BMW Z4 vs Mercedes-Benz SLK-Class across model years

  • BMW Z4
  • Mercedes-Benz SLK-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 33 2015 two-seaters, the BMW Z4 ranks 10th and the Mercedes-Benz SLK-Class 8th for lowest fuel cost.

Frequently asked questions

How much does it cost to fuel the 2015 BMW Z4 vs. the Mercedes-Benz SLK-Class per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,279 for the BMW Z4 and $2,279 for the Mercedes-Benz SLK-Class.

BMW Z4 vs Mercedes-Benz SLK-Class in other years

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