2020 head-to-head · Midsize Car

2020 Audi S7 Hybrid vs Lexus GS

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
$2,576/ year to fuel
23 MPG

The 2020 Lexus GS is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,576 a year to fuel (23 MPG), versus $2,693 for the 2020 Audi S7 Hybrid (22 MPG). That's roughly $117 a year, or about $585 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
  • Lexus GS

Side by side

Audi S7 HybridLexus GS
$2,693 Your annual fuel cost $2,576
22 MPG Combined efficiency 23 MPG
18 MPG City 20 MPG
28 MPG Highway 28 MPG
94 cu ft Passenger volume 99 cu ft
25 cu ft Cargo volume 14 cu ft
410 g/mi Tailpipe CO₂ (g/mi) 388 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 3.5L 6-cyl
8-speed automatic 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.

Audi S7 Hybrid vs Lexus GS across model years

  • Audi S7 Hybrid
  • Lexus GS

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 Lexus GS has more passenger space (99 vs. 94 cu ft); the Audi S7 Hybrid has more cargo space (25 vs. 14 cu ft).

Among 64 2020 midsize cars, the Audi S7 Hybrid ranks 59th and the Lexus GS 55th for lowest fuel cost.

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

Frequently asked questions

Which is more fuel-efficient, the 2020 Audi S7 Hybrid or the 2020 Lexus GS?

Measured by cost to drive, the Lexus GS. The Audi S7 Hybrid is rated 22 MPG combined and the Lexus GS 23 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2020 Audi S7 Hybrid vs. the Lexus GS per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,693 for the Audi S7 Hybrid and $2,576 for the Lexus GS.

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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