2023 head-to-head · Midsize Car
2023 Infiniti Q50 vs Mercedes-Benz E-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 2023 Mercedes-Benz E-Class is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,279 a year to fuel (26 MPG), versus $2,576 for the 2023 Infiniti Q50 (23 MPG). That's roughly $297 a year, or about $1,486 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
- Infiniti Q50
- Mercedes-Benz E-Class
Side by side
| Infiniti Q50 | Mercedes-Benz E-Class | |
|---|---|---|
| $2,576 | Your annual fuel cost | $2,279 |
| 23 MPG | Combined efficiency | 26 MPG |
| 20 MPG | City | 23 MPG |
| 29 MPG | Highway | 31 MPG |
| 100 cu ft | Passenger volume | 98 cu ft |
| 14 cu ft | Cargo volume | 13 cu ft |
| 388 g/mi | Tailpipe CO₂ (g/mi) | 342 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 7-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.
Infiniti Q50 vs Mercedes-Benz E-Class across model years
- Infiniti Q50
- Mercedes-Benz E-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 Infiniti Q50 has more cargo space (14 vs. 13 cu ft).
Among 50 2023 midsize cars, the Infiniti Q50 ranks 42nd and the Mercedes-Benz E-Class 36th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2023 Infiniti Q50 or the 2023 Mercedes-Benz E-Class?
Measured by cost to drive, the Mercedes-Benz E-Class. The Infiniti Q50 is rated 23 MPG combined and the Mercedes-Benz E-Class 26 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2023 Infiniti Q50 vs. the Mercedes-Benz E-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,576 for the Infiniti Q50 and $2,279 for the Mercedes-Benz E-Class.
Which has more cargo space?
The Infiniti Q50, with 14 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).
Infiniti Q50 vs Mercedes-Benz E-Class in other years
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