2020 head-to-head · Large Car

2020 Genesis G80 vs Porsche Taycan

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
$1,315/ year to fuel
69 MPGe

The 2020 Porsche Taycan 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 $1,315 a year to fuel (69 MPGe), versus $2,214 for the 2020 Genesis G80 (21 MPG). That's roughly $899 a year, or about $4,497 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
  • Porsche Taycan

Side by side

Genesis G80Porsche Taycan
$2,214 Your annual fuel cost $1,315
21 MPG Combined efficiency 69 MPGe
18 MPG City 68 MPGe
26 MPG Highway 71 MPGe
— Electricity use (kWh/100 mi) 48.7 kWh
— Driving range 201 mi
108 cu ft Passenger volume 108 cu ft
15 cu ft Cargo volume 16 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 10 hrs
Gas Powertrain Electric
Regular gasoline Fuel Electricity
3.8L 6-cyl Engine / motor Electric motor (170 kW)
8-speed automatic Transmission 2-speed automatic
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 Porsche Taycan across model years

  • Genesis G80
  • Porsche Taycan

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 Porsche Taycan has more cargo space (16 vs. 15 cu ft).

Among 32 2020 large cars, the Genesis G80 ranks 19th and the Porsche Taycan 5th for lowest fuel cost.

Because the Porsche Taycan 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 Porsche Taycan?

Measured by cost to drive, the Porsche Taycan. The Genesis G80 is rated 21 MPG combined and the Porsche Taycan 69 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2020 Genesis G80 vs. the Porsche Taycan 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 $1,315 for the Porsche Taycan.

Which has more cargo space?

The Porsche Taycan, with 16 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).

Genesis G80 vs Porsche Taycan in other years

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