2021 head-to-head · Large Car
2021 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.
The 2021 Porsche Taycan is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, it costs about $1,107 a year to fuel (79 MPGe), versus $2,279 for the 2021 Genesis G80 (26 MPG). That's roughly $1,172 a year, or about $5,859 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 G80 | Porsche Taycan | |
|---|---|---|
| $2,279 | Your annual fuel cost | $1,107 |
| 26 MPG | Combined efficiency | 79 MPGe |
| 23 MPG | City | 76 MPGe |
| 32 MPG | Highway | 84 MPGe |
| — | Electricity use (kWh/100 mi) | 41 kWh |
| — | Driving range | 200 mi |
| 107 cu ft | Passenger volume | 88 cu ft |
| 15 cu ft | Cargo volume | 12 cu ft |
| 345 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 5/10 | EPA fuel economy score | 10/10 |
| 5/10 | EPA greenhouse gas score | 10/10 |
| — | Charge time at 240V | 9.5 hrs |
| Gas | Powertrain | Electric |
| Premium gasoline | Fuel | Electricity |
| 2.5L 4-cyl turbo | Engine / motor | Electric motor (240 kW) |
| 8-speed automatic | Transmission | 2-speed automatic |
| RWD | 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.
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 Genesis G80 has more passenger space (107 vs. 88 cu ft); the Genesis G80 has more cargo space (15 vs. 12 cu ft).
Among 27 2021 large cars, the Genesis G80 ranks 17th 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 2021 Genesis G80 or the 2021 Porsche Taycan?
Measured by cost to drive, the Porsche Taycan. The Genesis G80 is rated 26 MPG combined and the Porsche Taycan 79 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Genesis G80 vs. the Porsche Taycan per year?
At 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, about $2,279 for the Genesis G80 and $1,107 for the Porsche Taycan.
Which has more cargo space?
The Genesis G80, with 15 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
Genesis G80 vs Porsche Taycan in other years
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