2021 head-to-head · Midsize Car

2021 Audi S7 Hybrid vs Volvo S90

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
$2,370/ year to fuel
25 MPG

AWD · 2.0L 4-cyl turbo · 8-speed automatic · 25 MPG

The 2021 Volvo S90 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 $2,693 for the 2021 Audi S7 Hybrid (22 MPG). That's roughly $323 a year, or about $1,616 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 S7 Hybrid
  • Volvo S90

Side by side

Audi S7 HybridVolvo S90
$2,693 Your annual fuel cost $2,370
22 MPG Combined efficiency 25 MPG
18 MPG City 21 MPG
28 MPG Highway 32 MPG
94 cu ft Passenger volume 102 cu ft
25 cu ft Cargo volume 14 cu ft
410 g/mi Tailpipe CO₂ (g/mi) 356 g/mi
4/10 EPA fuel economy score 5/10
4/10 EPA greenhouse gas score 5/10
Hybrid Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.9L 6-cyl turbo Engine / motor 2.0L 4-cyl turbo
8-speed automatic Transmission 8-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.

Audi S7 Hybrid vs Volvo S90 across model years

  • Audi S7 Hybrid
  • Volvo S90

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 Volvo S90 has more passenger space (102 vs. 94 cu ft); the Audi S7 Hybrid has more cargo space (25 vs. 14 cu ft).

Among 54 2021 midsize cars, the Audi S7 Hybrid ranks 48th and the Volvo S90 41st for lowest fuel cost.

The powertrains differ: the Audi S7 Hybrid is a full hybrid, while the Volvo S90 is a conventional gas model.

Frequently asked questions

Which is more fuel-efficient, the 2021 Audi S7 Hybrid or the 2021 Volvo S90?

Measured by cost to drive, the Volvo S90. The Audi S7 Hybrid is rated 22 MPG combined and the Volvo S90 25 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Audi S7 Hybrid vs. the Volvo S90 per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,693 for the Audi S7 Hybrid and $2,370 for the Volvo S90.

Which has more cargo space?

The Audi S7 Hybrid, with 25 cu ft of luggage volume versus 14 cu ft (EPA interior volume index).

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