2019 head-to-head · Two-Seater

2019 Mercedes-Benz SL-Class vs Nissan 370z

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
$2,576/ year to fuel
23 MPG
✓ Cheaper to run
$2,693/ year to fuel
22 MPG

The 2019 Mercedes-Benz SL-Class is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,576 a year to fuel (23 MPG), versus $2,693 for the 2019 Nissan 370z (22 MPG). That's roughly $117 a year, or about $585 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

  • Mercedes-Benz SL-Class
  • Nissan 370z

Side by side

Mercedes-Benz SL-ClassNissan 370z
$2,576 Your annual fuel cost $2,693
23 MPG Combined efficiency 22 MPG
20 MPG City 19 MPG
28 MPG Highway 26 MPG
387 g/mi Tailpipe CO₂ (g/mi) 409 g/mi
5/10 EPA fuel economy score 4/10
5/10 EPA greenhouse gas score 4/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
3.0L 6-cyl turbo Engine / motor 3.7L 6-cyl
9-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.

Mercedes-Benz SL-Class vs Nissan 370z across model years

  • Mercedes-Benz SL-Class
  • Nissan 370z

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 34 2019 two-seaters, the Mercedes-Benz SL-Class ranks 11th and the Nissan 370z 12th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2019 Mercedes-Benz SL-Class or the 2019 Nissan 370z?

Measured by cost to drive, the Mercedes-Benz SL-Class. The Mercedes-Benz SL-Class is rated 23 MPG combined and the Nissan 370z 22 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2019 Mercedes-Benz SL-Class vs. the Nissan 370z per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,576 for the Mercedes-Benz SL-Class and $2,693 for the Nissan 370z.

Mercedes-Benz SL-Class vs Nissan 370z in other years

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