2020 head-to-head · Midsize Car

2020 Audi S6 Hybrid vs Bentley Flying Spur

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
$2,693/ year to fuel
22 MPG

AWD · 2.9L 6-cyl turbo · 8-speed automatic · 22 MPG

✓ Cheaper to run
$3,950/ year to fuel
15 MPG

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

The 2020 Audi S6 Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,693 a year to fuel (22 MPG), versus $3,950 for the 2020 Bentley Flying Spur (15 MPG). That's roughly $1,257 a year, or about $6,284 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

  • Audi S6 Hybrid
  • Bentley Flying Spur

Side by side

Audi S6 HybridBentley Flying Spur
$2,693 Your annual fuel cost $3,950
22 MPG Combined efficiency 15 MPG
18 MPG City 12 MPG
28 MPG Highway 19 MPG
98 cu ft Passenger volume 102 cu ft
16 cu ft Cargo volume 13 cu ft
410 g/mi Tailpipe CO₂ (g/mi) 601 g/mi
4/10 EPA fuel economy score 2/10
4/10 EPA greenhouse gas score 2/10
Hybrid Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.9L 6-cyl turbo Engine / motor 6.0L 12-cyl turbo
8-speed automatic Transmission 8-speed dual-clutch
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.

Audi S6 Hybrid vs Bentley Flying Spur across model years

  • Audi S6 Hybrid
  • Bentley Flying Spur

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 passenger space (102 vs. 98 cu ft); the Audi S6 Hybrid has more cargo space (16 vs. 13 cu ft).

Among 64 2020 midsize cars, the Audi S6 Hybrid ranks 58th and the Bentley Flying Spur 61st for lowest fuel cost.

The powertrains differ: the Audi S6 Hybrid is a full hybrid, while the Bentley Flying Spur is a conventional gas model.

Frequently asked questions

Which is more fuel-efficient, the 2020 Audi S6 Hybrid or the 2020 Bentley Flying Spur?

Measured by cost to drive, the Audi S6 Hybrid. The Audi S6 Hybrid is rated 22 MPG combined and the Bentley Flying Spur 15 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2020 Audi S6 Hybrid vs. the Bentley Flying Spur per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,693 for the Audi S6 Hybrid and $3,950 for the Bentley Flying Spur.

Which has more cargo space?

The Audi S6 Hybrid, with 16 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).

Audi S6 Hybrid vs Bentley Flying Spur in other years

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