2027 head-to-head · Large Car

2027 Audi S6 e-tron vs Hyundai Sonata 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
$883/ year to fuel
103 MPGe
✓ Cheaper to run
$912/ year to fuel
51 MPG

On fuel costs these two are nearly tied. Driving 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, the most efficient 2027 Audi S6 e-tron (103 MPGe) costs about $883 a year to fuel and the 2027 Hyundai Sonata Hybrid (51 MPG) about $912.

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 e-tron
  • Hyundai Sonata Hybrid

Side by side

Audi S6 e-tronHyundai Sonata Hybrid
$883 Your annual fuel cost $912
103 MPGe Combined efficiency 51 MPG
106 MPGe City 47 MPG
100 MPGe Highway 56 MPG
32.7 kWh Electricity use (kWh/100 mi) —
326 mi Driving range —
95 cu ft Passenger volume 104 cu ft
26 cu ft Cargo volume 16 cu ft
0 g/mi Tailpipe CO₂ (g/mi) 175 g/mi
9/10 EPA fuel economy score 8/10
10/10 EPA greenhouse gas score 8/10
12 hrs Charge time at 240V —
Electric Powertrain Hybrid
Electricity Fuel Regular gasoline
Electric motors (495 kW) Engine / motor 2.0L 4-cyl
Single-speed Transmission 6-speed dual-clutch
AWD Drivetrain FWD

✓ 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 e-tron vs Hyundai Sonata Hybrid across model years

  • Audi S6 e-tron
  • Hyundai Sonata 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

Per EPA interior volume figures, the Hyundai Sonata Hybrid has more passenger space (104 vs. 95 cu ft); the Audi S6 e-tron has more cargo space (26 vs. 16 cu ft).

Among 16 2027 large cars, the Audi S6 e-tron ranks 3rd and the Hyundai Sonata Hybrid 4th for lowest fuel cost.

Because the Audi S6 e-tron is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the Hyundai Sonata Hybrid; relying on DC fast chargers can erase it.

Frequently asked questions

Which is more fuel-efficient, the 2027 Audi S6 e-tron or the 2027 Hyundai Sonata Hybrid?

Measured by cost to drive, the Audi S6 e-tron. The Audi S6 e-tron is rated 103 MPGe combined and the Hyundai Sonata Hybrid 51 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2027 Audi S6 e-tron vs. the Hyundai Sonata Hybrid per year?

At 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, about $883 for the Audi S6 e-tron and $912 for the Hyundai Sonata Hybrid.

Which has more cargo space?

The Audi S6 e-tron, with 26 cu ft of luggage volume versus 16 cu ft (EPA interior volume index).

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