2018 head-to-head · Compact Car
2018 Cadillac ATS vs Mercedes-Benz C-Class Plug-in Hybrid
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
RWD · 2.0L 4-cyl turbo · 7-speed automatic · 51 MPGe + 30 MPG
The 2018 Mercedes-Benz C-Class Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, 18¢/kWh electricity and $3.95/gal premium gas, it costs about $1,837 a year to fuel (51 MPGe + 30 MPG), versus $1,938 for the 2018 Cadillac ATS (24 MPG). That's roughly $101 a year, or about $505 over five years.
Your numbers
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Fuel cost over 10 years
- Cadillac ATS
- Mercedes-Benz C-Class Plug-in Hybrid
Side by side
| Cadillac ATS | Mercedes-Benz C-Class Plug-in Hybrid | |
|---|---|---|
| $1,938 | Your annual fuel cost | $1,837 |
| 24 MPG | Combined efficiency | 51 MPGe + 30 MPG |
| 20 MPG | City | 45 MPGe / 28 MPG |
| 30 MPG | Highway | 61 MPGe / 32 MPG |
| — | Electricity use (kWh/100 mi) | 56 kWh |
| — | Driving range | 410 mi |
| — | All-electric range | 9 mi |
| 91 cu ft | Passenger volume | 91 cu ft |
| 10 cu ft | Cargo volume | 10 cu ft |
| 376 g/mi | Tailpipe CO₂ (g/mi) | 215 g/mi |
| 5/10 | EPA fuel economy score | 8/10 |
| 5/10 | EPA greenhouse gas score | 9/10 |
| — | Charge time at 240V | 1.5 hrs |
| Gas | Powertrain | Plug-in hybrid |
| Regular gasoline | Fuel | Premium gas + electricity |
| 3.6L 6-cyl | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed automatic | Transmission | 7-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.
Cadillac ATS vs Mercedes-Benz C-Class Plug-in Hybrid across model years
- Cadillac ATS
- Mercedes-Benz C-Class Plug-in Hybrid
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
Among 44 2018 compact cars, the Cadillac ATS ranks 29th and the Mercedes-Benz C-Class Plug-in Hybrid 27th for lowest fuel cost.
The powertrains differ: the Cadillac ATS is a conventional gas model, while the Mercedes-Benz C-Class Plug-in Hybrid is a plug-in hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2018 Cadillac ATS or the 2018 Mercedes-Benz C-Class Plug-in Hybrid?
Measured by cost to drive, the Mercedes-Benz C-Class Plug-in Hybrid. The Cadillac ATS is rated 24 MPG combined and the Mercedes-Benz C-Class Plug-in Hybrid 51 MPGe + 30 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Cadillac ATS vs. the Mercedes-Benz C-Class Plug-in Hybrid per year?
At 15,000 miles a year with $3.10/gal regular gas, 18¢/kWh electricity and $3.95/gal premium gas, about $1,938 for the Cadillac ATS and $1,837 for the Mercedes-Benz C-Class Plug-in Hybrid.
Cadillac ATS vs Mercedes-Benz C-Class Plug-in Hybrid in other years
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