2020 head-to-head · Midsize Car

2020 Bentley Flying Spur vs Bentley Mulsanne

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
$3,950/ year to fuel
15 MPG

AWD · 6.0L 12-cyl turbo · 8-speed dual-clutch · 15 MPG

✓ Cheaper to run
$4,938/ year to fuel
12 MPG

RWD · 6.8L 8-cyl turbo · 8-speed automatic · 12 MPG

The 2020 Bentley Flying Spur is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,950 a year to fuel (15 MPG), versus $4,938 for the 2020 Bentley Mulsanne (12 MPG). That's roughly $987 a year, or about $4,937 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 Flying Spur
  • Bentley Mulsanne

Side by side

Bentley Flying SpurBentley Mulsanne
$3,950 Your annual fuel cost $4,938
15 MPG Combined efficiency 12 MPG
12 MPG City 10 MPG
19 MPG Highway 16 MPG
102 cu ft Passenger volume 101 cu ft
13 cu ft Cargo volume 11 cu ft
601 g/mi Tailpipe CO₂ (g/mi) 749 g/mi
2/10 EPA fuel economy score 1/10
2/10 EPA greenhouse gas score 1/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
6.0L 12-cyl turbo Engine / motor 6.8L 8-cyl turbo
8-speed dual-clutch Transmission 8-speed automatic
AWD 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.

Bentley Flying Spur vs Bentley Mulsanne across model years

  • Bentley Flying Spur
  • Bentley Mulsanne

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 Flying Spur has more cargo space (13 vs. 11 cu ft).

Among 64 2020 midsize cars, the Bentley Flying Spur ranks 61st and the Bentley Mulsanne 63rd for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2020 Bentley Flying Spur or the 2020 Bentley Mulsanne?

Measured by cost to drive, the Bentley Flying Spur. The Bentley Flying Spur is rated 15 MPG combined and the Bentley Mulsanne 12 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2020 Bentley Flying Spur vs. the Bentley Mulsanne per year?

At 15,000 miles a year with $3.95/gal premium gas, about $3,950 for the Bentley Flying Spur and $4,938 for the Bentley Mulsanne.

Which has more cargo space?

The Bentley Flying Spur, with 13 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).

Bentley Flying Spur vs Bentley Mulsanne in other years

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