2021 head-to-head · Large Car
2021 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.
The 2021 Tesla Model S 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 $761 a year to fuel (120 MPGe), versus $2,279 for the 2021 Genesis G80 (26 MPG). That's roughly $1,517 a year, or about $7,587 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 G80 | Tesla Model S | |
|---|---|---|
| $2,279 | Your annual fuel cost | $761 |
| 26 MPG | Combined efficiency | 120 MPGe |
| 23 MPG | City | 124 MPGe |
| 32 MPG | Highway | 115 MPGe |
| — | Electricity use (kWh/100 mi) | 28.2 kWh |
| — | Driving range | 405 mi |
| 107 cu ft | Passenger volume | 94 cu ft |
| 15 cu ft | Cargo volume | 26 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 | 15 hrs |
| Gas | Powertrain | Electric |
| Premium gasoline | Fuel | Electricity |
| 2.5L 4-cyl turbo | Engine / motor | Electric motors (365 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 (107 vs. 94 cu ft); the Tesla Model S has more cargo space (26 vs. 15 cu ft).
Among 27 2021 large cars, the Genesis G80 ranks 17th 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 2021 Genesis G80 or the 2021 Tesla Model S?
Measured by cost to drive, the Tesla Model S. The Genesis G80 is rated 26 MPG combined and the Tesla Model S 120 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Genesis G80 vs. the Tesla Model S 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 $761 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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