2020 head-to-head · Compact Car
2020 Cadillac CT4 vs Mercedes-Benz CLA-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 2020 Mercedes-Benz CLA-Class 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 2020 Cadillac CT4 (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
- Cadillac CT4
- Mercedes-Benz CLA-Class
Side by side
| Cadillac CT4 | Mercedes-Benz CLA-Class | |
|---|---|---|
| $2,194 | Your annual fuel cost | $2,116 |
| 27 MPG | Combined efficiency | 28 MPG |
| 23 MPG | City | 25 MPG |
| 34 MPG | Highway | 35 MPG |
| 90 cu ft | Passenger volume | 89 cu ft |
| 13 cu ft | Cargo volume | 12 cu ft |
| 327 g/mi | Tailpipe CO₂ (g/mi) | 310 g/mi |
| 6/10 | EPA fuel economy score | 6/10 |
| 6/10 | EPA greenhouse gas score | 6/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed automatic | Transmission | 7-speed dual-clutch |
| 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 CT4 vs Mercedes-Benz CLA-Class across model years
- Cadillac CT4
- Mercedes-Benz CLA-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 Cadillac CT4 has more cargo space (13 vs. 12 cu ft).
Among 34 2020 compact cars, the Cadillac CT4 ranks 27th and the Mercedes-Benz CLA-Class 22nd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2020 Cadillac CT4 or the 2020 Mercedes-Benz CLA-Class?
Measured by cost to drive, the Mercedes-Benz CLA-Class. The Cadillac CT4 is rated 27 MPG combined and the Mercedes-Benz CLA-Class 28 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2020 Cadillac CT4 vs. the Mercedes-Benz CLA-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,194 for the Cadillac CT4 and $2,116 for the Mercedes-Benz CLA-Class.
Which has more cargo space?
The Cadillac CT4, with 13 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
Cadillac CT4 vs Mercedes-Benz CLA-Class in other years
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