2015 head-to-head · Midsize Car
2015 Cadillac CTS vs Mercedes-Benz B-Class Electric Drive
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
The 2015 Mercedes-Benz B-Class Electric Drive is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and 18¢/kWh electricity, it costs about $1,080 a year to fuel (84 MPGe), versus $1,938 for the 2015 Cadillac CTS (24 MPG). That's roughly $858 a year, or about $4,288 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
- Cadillac CTS
- Mercedes-Benz B-Class Electric Drive
Side by side
| Cadillac CTS | Mercedes-Benz B-Class Electric Drive | |
|---|---|---|
| $1,938 | Your annual fuel cost | $1,080 |
| 24 MPG | Combined efficiency | 84 MPGe |
| 20 MPG | City | 85 MPGe |
| 30 MPG | Highway | 82 MPGe |
| — | Electricity use (kWh/100 mi) | 40 kWh |
| — | Driving range | 87 mi |
| 97 cu ft | Passenger volume | 90 cu ft |
| 13 cu ft | Cargo volume | 22 cu ft |
| 374 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 6/10 | EPA fuel economy score | 10/10 |
| 6/10 | EPA greenhouse gas score | 10/10 |
| — | Charge time at 240V | 3.5 hrs |
| Gas | Powertrain | Electric |
| Regular gasoline | Fuel | Electricity |
| 2.0L 4-cyl turbo | Engine / motor | Electric motor (132 kW) |
| 6-speed automatic | Transmission | Single-speed |
| RWD | Drivetrain | FWD |
✓ 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.
Cadillac CTS vs Mercedes-Benz B-Class Electric Drive across model years
- Cadillac CTS
- Mercedes-Benz B-Class Electric Drive
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 Cadillac CTS has more passenger space (97 vs. 90 cu ft); the Mercedes-Benz B-Class Electric Drive has more cargo space (22 vs. 13 cu ft).
Among 69 2015 midsize cars, the Cadillac CTS ranks 43rd and the Mercedes-Benz B-Class Electric Drive 5th for lowest fuel cost.
Because the Mercedes-Benz B-Class Electric Drive 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 Cadillac CTS; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2015 Cadillac CTS or the 2015 Mercedes-Benz B-Class Electric Drive?
Measured by cost to drive, the Mercedes-Benz B-Class Electric Drive. The Cadillac CTS is rated 24 MPG combined and the Mercedes-Benz B-Class Electric Drive 84 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Cadillac CTS vs. the Mercedes-Benz B-Class Electric Drive per year?
At 15,000 miles a year with $3.10/gal regular gas and 18¢/kWh electricity, about $1,938 for the Cadillac CTS and $1,080 for the Mercedes-Benz B-Class Electric Drive.
Which has more cargo space?
The Mercedes-Benz B-Class Electric Drive, with 22 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).
Cadillac CTS vs Mercedes-Benz B-Class Electric Drive in other years
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