2015 head-to-head · Compact Car
2015 Cadillac ATS vs Mercedes-Benz C-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 2015 Cadillac ATS is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, it costs about $1,860 a year to fuel (25 MPG), versus $2,116 for the 2015 Mercedes-Benz C-Class (28 MPG). That's roughly $256 a year, or about $1,280 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 ATS
- Mercedes-Benz C-Class
Side by side
| Cadillac ATS | Mercedes-Benz C-Class | |
|---|---|---|
| $1,860 | Your annual fuel cost | $2,116 |
| 25 MPG | Combined efficiency | 28 MPG |
| 21 MPG | City | 25 MPG |
| 32 MPG | Highway | 33 MPG |
| 91 cu ft | Passenger volume | 90 cu ft |
| 10 cu ft | Cargo volume | 13 cu ft |
| 356 g/mi | Tailpipe CO₂ (g/mi) | 318 g/mi |
| 6/10 | EPA fuel economy score | 7/10 |
| 6/10 | EPA greenhouse gas score | 7/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Premium gasoline |
| 2.5L 4-cyl | Engine / motor | 2.0L 4-cyl turbo |
| 6-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 across model years
- Cadillac ATS
- Mercedes-Benz C-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 Mercedes-Benz C-Class has more cargo space (13 vs. 10 cu ft).
Among 52 2015 compact cars, the Cadillac ATS ranks 32nd and the Mercedes-Benz C-Class 40th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2015 Cadillac ATS or the 2015 Mercedes-Benz C-Class?
Measured by cost to drive, the Cadillac ATS. The Cadillac ATS is rated 25 MPG combined and the Mercedes-Benz C-Class 28 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Cadillac ATS vs. the Mercedes-Benz C-Class per year?
At 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, about $1,860 for the Cadillac ATS and $2,116 for the Mercedes-Benz C-Class.
Which has more cargo space?
The Mercedes-Benz C-Class, with 13 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).
Cadillac ATS vs Mercedes-Benz C-Class in other years
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