2024 head-to-head · Subcompact Car

2024 Bentley Continental vs Mercedes-Benz SL-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
$3,485/ year to fuel
17 MPG
✓ Cheaper to run
$3,703/ year to fuel
16 MPG

AWD · 4.0L 8-cyl turbo · 9-speed automatic · 16 MPG

The 2024 Bentley Continental is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,485 a year to fuel (17 MPG), versus $3,703 for the 2024 Mercedes-Benz SL-Class (16 MPG). That's roughly $218 a year, or about $1,089 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

  • Bentley Continental
  • Mercedes-Benz SL-Class

Side by side

Bentley ContinentalMercedes-Benz SL-Class
$3,485 Your annual fuel cost $3,703
17 MPG Combined efficiency 16 MPG
14 MPG City 14 MPG
22 MPG Highway 21 MPG
87 cu ft Passenger volume 76 cu ft
11 cu ft Cargo volume 6 cu ft
519 g/mi Tailpipe CO₂ (g/mi) 548 g/mi
3/10 EPA fuel economy score 3/10
3/10 EPA greenhouse gas score 3/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
4.0L 8-cyl turbo Engine / motor 4.0L 8-cyl turbo
8-speed dual-clutch Transmission 9-speed automatic
AWD Drivetrain AWD

✓ 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.

Bentley Continental vs Mercedes-Benz SL-Class across model years

  • Bentley Continental
  • Mercedes-Benz SL-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 Bentley Continental has more passenger space (87 vs. 76 cu ft); the Bentley Continental has more cargo space (11 vs. 6 cu ft).

Among 33 2024 subcompact cars, the Bentley Continental ranks 31st and the Mercedes-Benz SL-Class 33rd for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2024 Bentley Continental or the 2024 Mercedes-Benz SL-Class?

Measured by cost to drive, the Bentley Continental. The Bentley Continental is rated 17 MPG combined and the Mercedes-Benz SL-Class 16 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2024 Bentley Continental vs. the Mercedes-Benz SL-Class per year?

At 15,000 miles a year with $3.95/gal premium gas, about $3,485 for the Bentley Continental and $3,703 for the Mercedes-Benz SL-Class.

Which has more cargo space?

The Bentley Continental, with 11 cu ft of luggage volume versus 6 cu ft (EPA interior volume index).

Bentley Continental vs Mercedes-Benz SL-Class in other years

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