2021 head-to-head · Compact Car
2021 Genesis G70 vs Mercedes-Benz S-Class
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 Genesis G70 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,370 a year to fuel (25 MPG), versus $2,962 for the 2021 Mercedes-Benz S-Class (20 MPG). That's roughly $592 a year, or about $2,962 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 G70
- Mercedes-Benz S-Class
Side by side
| Genesis G70 | Mercedes-Benz S-Class | |
|---|---|---|
| $2,370 | Your annual fuel cost | $2,962 |
| 25 MPG | Combined efficiency | 20 MPG |
| 22 MPG | City | 16 MPG |
| 30 MPG | Highway | 26 MPG |
| 94 cu ft | Passenger volume | 88 cu ft |
| 10 cu ft | Cargo volume | 7 cu ft |
| 357 g/mi | Tailpipe CO₂ (g/mi) | 454 g/mi |
| 5/10 | EPA fuel economy score | 4/10 |
| 5/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 4.0L 8-cyl turbo |
| 8-speed automatic | Transmission | 9-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 G70 vs Mercedes-Benz S-Class across model years
- Genesis G70
- Mercedes-Benz S-Class
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 G70 has more passenger space (94 vs. 88 cu ft); the Genesis G70 has more cargo space (10 vs. 7 cu ft).
Among 37 2021 compact cars, the Genesis G70 ranks 31st and the Mercedes-Benz S-Class 35th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2021 Genesis G70 or the 2021 Mercedes-Benz S-Class?
Measured by cost to drive, the Genesis G70. The Genesis G70 is rated 25 MPG combined and the Mercedes-Benz S-Class 20 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Genesis G70 vs. the Mercedes-Benz S-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,370 for the Genesis G70 and $2,962 for the Mercedes-Benz S-Class.
Which has more cargo space?
The Genesis G70, with 10 cu ft of luggage volume versus 7 cu ft (EPA interior volume index).
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