2016 head-to-head · Two-Seater
2016 Alfa Romeo 4C vs Mercedes-Benz SLK-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.
RWD · 1.8L 4-cyl turbo · 6-speed dual-clutch · 28 MPG
The 2016 Alfa Romeo 4C is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,116 a year to fuel (28 MPG), versus $2,194 for the 2016 Mercedes-Benz SLK-Class (27 MPG). That's roughly $78 a year, or about $392 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
- Alfa Romeo 4C
- Mercedes-Benz SLK-Class
Side by side
| Alfa Romeo 4C | Mercedes-Benz SLK-Class | |
|---|---|---|
| $2,116 | Your annual fuel cost | $2,194 |
| 28 MPG | Combined efficiency | 27 MPG |
| 24 MPG | City | 24 MPG |
| 34 MPG | Highway | 32 MPG |
| 317 g/mi | Tailpipe CO₂ (g/mi) | 325 g/mi |
| 7/10 | EPA fuel economy score | 7/10 |
| 7/10 | EPA greenhouse gas score | 7/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 1.8L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 6-speed dual-clutch | 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.
Alfa Romeo 4C vs Mercedes-Benz SLK-Class across model years
- Alfa Romeo 4C
- Mercedes-Benz SLK-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
Among 32 2016 two-seaters, the Alfa Romeo 4C ranks 6th and the Mercedes-Benz SLK-Class 7th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2016 Alfa Romeo 4C or the 2016 Mercedes-Benz SLK-Class?
Measured by cost to drive, the Alfa Romeo 4C. The Alfa Romeo 4C is rated 28 MPG combined and the Mercedes-Benz SLK-Class 27 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2016 Alfa Romeo 4C vs. the Mercedes-Benz SLK-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,116 for the Alfa Romeo 4C and $2,194 for the Mercedes-Benz SLK-Class.
Alfa Romeo 4C vs Mercedes-Benz SLK-Class in other years
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