2017 head-to-head · Midsize Car
2017 Mercedes-Benz B-Class Electric Drive vs Tesla Model 3
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
FWD · Electric motor (132 kW) · Single-speed · 84 MPGe · 87 mi
RWD · Electric motor (192 kW) · Single-speed · 126 MPGe · 310 mi
The 2017 Tesla Model 3 is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $724 a year to fuel (126 MPGe), versus $1,085 for the 2017 Mercedes-Benz B-Class Electric Drive (84 MPGe). That's roughly $362 a year, or about $1,809 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
- Mercedes-Benz B-Class Electric Drive
- Tesla Model 3
Side by side
| Mercedes-Benz B-Class Electric Drive | Tesla Model 3 | |
|---|---|---|
| $1,085 | Your annual fuel cost | $724 |
| 84 MPGe | Combined efficiency | 126 MPGe |
| 85 MPGe | City | 131 MPGe |
| 82 MPGe | Highway | 120 MPGe |
| 40.2 kWh | Electricity use (kWh/100 mi) | 26.8 kWh |
| 87 mi | Driving range | 310 mi |
| 90 cu ft | Passenger volume | 97 cu ft |
| 22 cu ft | Cargo volume | 17 cu ft |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 10/10 | EPA fuel economy score | 10/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 3.5 hrs | Charge time at 240V | 12 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor (132 kW) | Engine / motor | Electric motor (192 kW) |
| Single-speed | Transmission | Single-speed |
| FWD | 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.
Mercedes-Benz B-Class Electric Drive vs Tesla Model 3 across model years
- Mercedes-Benz B-Class Electric Drive
- Tesla Model 3
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
The Tesla Model 3 goes farther between stops: about 310 miles on a charge, compared with 87 miles for the Mercedes-Benz B-Class Electric Drive.
Per EPA interior volume figures, the Tesla Model 3 has more passenger space (97 vs. 90 cu ft); the Mercedes-Benz B-Class Electric Drive has more cargo space (22 vs. 17 cu ft).
Among 67 2017 midsize cars, the Mercedes-Benz B-Class Electric Drive ranks 13th and the Tesla Model 3 2nd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2017 Mercedes-Benz B-Class Electric Drive or the 2017 Tesla Model 3?
Measured by cost to drive, the Tesla Model 3. The Mercedes-Benz B-Class Electric Drive is rated 84 MPGe combined and the Tesla Model 3 126 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2017 Mercedes-Benz B-Class Electric Drive vs. the Tesla Model 3 per year?
At 15,000 miles a year with 18¢/kWh electricity, about $1,085 for the Mercedes-Benz B-Class Electric Drive and $724 for the Tesla Model 3.
Which has more range?
The Tesla Model 3: about 310 miles versus 87 miles.
Which has more cargo space?
The Mercedes-Benz B-Class Electric Drive, with 22 cu ft of luggage volume versus 17 cu ft (EPA interior volume index).
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