2020 head-to-head · Midsize Car
2020 Lexus GS 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 2020 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 2020 Lexus GS (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
- Lexus GS
- Mercedes-Benz E-Class
Side by side
| Lexus GS | Mercedes-Benz E-Class | |
|---|---|---|
| $2,576 | Your annual fuel cost | $2,279 |
| 23 MPG | Combined efficiency | 26 MPG |
| 20 MPG | City | 23 MPG |
| 28 MPG | Highway | 32 MPG |
| 99 cu ft | Passenger volume | 98 cu ft |
| 14 cu ft | Cargo volume | 13 cu ft |
| 388 g/mi | Tailpipe CO₂ (g/mi) | 336 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 |
| 3.5L 6-cyl | Engine / motor | 2.0L 4-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.
Lexus GS vs Mercedes-Benz E-Class across model years
- Lexus GS
- 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 Lexus GS has more cargo space (14 vs. 13 cu ft).
Among 64 2020 midsize cars, the Lexus GS ranks 55th and the Mercedes-Benz E-Class 48th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2020 Lexus GS or the 2020 Mercedes-Benz E-Class?
Measured by cost to drive, the Mercedes-Benz E-Class. The Lexus GS 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 2020 Lexus GS 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 Lexus GS and $2,279 for the Mercedes-Benz E-Class.
Which has more cargo space?
The Lexus GS, with 14 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).
Lexus GS vs Mercedes-Benz E-Class in other years
More 2020 comparisons
Lexus GS vs…
Or compare the 2020 Lexus GS with anything else: