2015 head-to-head · Large Car

2015 BMW 7 Series Hybrid vs Mercedes-Benz S-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
$2,370/ year to fuel
25 MPG

RWD · 3.0L 6-cyl turbo · 8-speed automatic · 25 MPG

✓ Cheaper to run
$2,962/ year to fuel
20 MPG

The 2015 BMW 7 Series Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,370 a year to fuel (25 MPG), versus $2,962 for the 2015 Mercedes-Benz S-Class (20 MPG). That's roughly $592 a year, or about $2,962 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

  • BMW 7 Series Hybrid
  • Mercedes-Benz S-Class

Side by side

BMW 7 Series HybridMercedes-Benz S-Class
$2,370 Your annual fuel cost $2,962
25 MPG Combined efficiency 20 MPG
22 MPG City 17 MPG
30 MPG Highway 26 MPG
115 cu ft Passenger volume 112 cu ft
10 cu ft Cargo volume 12 cu ft
350 g/mi Tailpipe CO₂ (g/mi) 444 g/mi
6/10 EPA fuel economy score 5/10
6/10 EPA greenhouse gas score 5/10
Hybrid Powertrain Gas
Premium gasoline Fuel Premium gasoline
3.0L 6-cyl turbo Engine / motor 4.7L 8-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 7 Series Hybrid vs Mercedes-Benz S-Class across model years

  • BMW 7 Series Hybrid
  • Mercedes-Benz S-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 Mercedes-Benz S-Class has more cargo space (12 vs. 10 cu ft).

Among 29 2015 large cars, the BMW 7 Series Hybrid ranks 19th and the Mercedes-Benz S-Class 24th for lowest fuel cost.

The powertrains differ: the BMW 7 Series Hybrid is a full hybrid, while the Mercedes-Benz S-Class is a conventional gas model.

Frequently asked questions

Which is more fuel-efficient, the 2015 BMW 7 Series Hybrid or the 2015 Mercedes-Benz S-Class?

Measured by cost to drive, the BMW 7 Series Hybrid. The BMW 7 Series Hybrid is rated 25 MPG combined and the Mercedes-Benz S-Class 20 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 BMW 7 Series Hybrid vs. the Mercedes-Benz S-Class per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,370 for the BMW 7 Series Hybrid and $2,962 for the Mercedes-Benz S-Class.

Which has more cargo space?

The Mercedes-Benz S-Class, with 12 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).

BMW 7 Series Hybrid vs Mercedes-Benz S-Class in other years

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