2021 head-to-head · Midsize Car

2021 Audi A7 Plug-in Hybrid vs Volvo S90 Plug-in Hybrid

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
$1,598/ year to fuel
68 MPGe + 29 MPG

AWD · 2.0L 4-cyl turbo · 7-speed dual-clutch · 68 MPGe + 29 MPG

✓ Cheaper to run
$1,676/ year to fuel
60 MPGe + 30 MPG

AWD · 2.0L 4-cyl turbo · 8-speed automatic · 60 MPGe + 30 MPG

The 2021 Audi A7 Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, it costs about $1,598 a year to fuel (68 MPGe + 29 MPG), versus $1,676 for the 2021 Volvo S90 Plug-in Hybrid (60 MPGe + 30 MPG). That's roughly $78 a year, or about $389 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 A7 Plug-in Hybrid
  • Volvo S90 Plug-in Hybrid

Side by side

Audi A7 Plug-in HybridVolvo S90 Plug-in Hybrid
$1,598 Your annual fuel cost $1,676
68 MPGe + 29 MPG Combined efficiency 60 MPGe + 30 MPG
64 MPGe / 26 MPG City 58 MPGe / 28 MPG
74 MPGe / 34 MPG Highway 64 MPGe / 31 MPG
46 kWh Electricity use (kWh/100 mi) 50 kWh
440 mi Driving range 490 mi
24 mi All-electric range 21 mi
95 cu ft Passenger volume 102 cu ft
25 cu ft Cargo volume 14 cu ft
139 g/mi Tailpipe CO₂ (g/mi) 163 g/mi
9/10 EPA fuel economy score 8/10
10/10 EPA greenhouse gas score 10/10
2.4 hrs Charge time at 240V 3 hrs
Plug-in hybrid Powertrain Plug-in hybrid
Premium gas + electricity Fuel Premium gas + electricity
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl turbo
7-speed dual-clutch 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 A7 Plug-in Hybrid vs Volvo S90 Plug-in Hybrid across model years

  • Audi A7 Plug-in Hybrid
  • Volvo S90 Plug-in Hybrid

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

The Volvo S90 Plug-in Hybrid goes farther between stops: about 490 miles on a full tank and charge, compared with 440 miles for the Audi A7 Plug-in Hybrid.

Per EPA interior volume figures, the Volvo S90 Plug-in Hybrid has more passenger space (102 vs. 95 cu ft); the Audi A7 Plug-in Hybrid has more cargo space (25 vs. 14 cu ft).

Among 54 2021 midsize cars, the Audi A7 Plug-in Hybrid ranks 22nd and the Volvo S90 Plug-in Hybrid 27th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2021 Audi A7 Plug-in Hybrid or the 2021 Volvo S90 Plug-in Hybrid?

Measured by cost to drive, the Audi A7 Plug-in Hybrid. The Audi A7 Plug-in Hybrid is rated 68 MPGe + 29 MPG combined and the Volvo S90 Plug-in Hybrid 60 MPGe + 30 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Audi A7 Plug-in Hybrid vs. the Volvo S90 Plug-in Hybrid per year?

At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $1,598 for the Audi A7 Plug-in Hybrid and $1,676 for the Volvo S90 Plug-in Hybrid.

Which has more range?

The Volvo S90 Plug-in Hybrid: about 490 miles versus 440 miles.

Which has more cargo space?

The Audi A7 Plug-in Hybrid, with 25 cu ft of luggage volume versus 14 cu ft (EPA interior volume index).

Audi A7 Plug-in Hybrid vs Volvo S90 Plug-in Hybrid in other years

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