2020 head-to-head · Large Car

2020 Genesis G80 vs Tesla Model S

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
$2,214/ year to fuel
21 MPG
✓ Cheaper to run
$780/ year to fuel
117 MPGe

The 2020 Tesla Model S is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and 18¢/kWh electricity, it costs about $780 a year to fuel (117 MPGe), versus $2,214 for the 2020 Genesis G80 (21 MPG). That's roughly $1,434 a year, or about $7,170 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

  • Genesis G80
  • Tesla Model S

Side by side

Genesis G80Tesla Model S
$2,214 Your annual fuel cost $780
21 MPG Combined efficiency 117 MPGe
18 MPG City 121 MPGe
26 MPG Highway 112 MPGe
— Electricity use (kWh/100 mi) 28.9 kWh
— Driving range 402 mi
108 cu ft Passenger volume 94 cu ft
15 cu ft Cargo volume 26 cu ft
423 g/mi Tailpipe CO₂ (g/mi) 0 g/mi
4/10 EPA fuel economy score 10/10
4/10 EPA greenhouse gas score 10/10
— Charge time at 240V 15.3 hrs
Gas Powertrain Electric
Regular gasoline Fuel Electricity
3.8L 6-cyl Engine / motor Electric motors (568 kW)
8-speed automatic Transmission Single-speed
RWD 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.

Genesis G80 vs Tesla Model S across model years

  • Genesis G80
  • Tesla Model S

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 Genesis G80 has more passenger space (108 vs. 94 cu ft); the Tesla Model S has more cargo space (26 vs. 15 cu ft).

Among 32 2020 large cars, the Genesis G80 ranks 19th and the Tesla Model S 1st for lowest fuel cost.

Because the Tesla Model S 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 Genesis G80; relying on DC fast chargers can erase it.

Frequently asked questions

Which is more fuel-efficient, the 2020 Genesis G80 or the 2020 Tesla Model S?

Measured by cost to drive, the Tesla Model S. The Genesis G80 is rated 21 MPG combined and the Tesla Model S 117 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2020 Genesis G80 vs. the Tesla Model S per year?

At 15,000 miles a year with $3.10/gal regular gas and 18¢/kWh electricity, about $2,214 for the Genesis G80 and $780 for the Tesla Model S.

Which has more cargo space?

The Tesla Model S, with 26 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).

Genesis G80 vs Tesla Model S in other years

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