2022 head-to-head · Compact Car

2022 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.

Swap sides
✓ Cheaper to run
$2,194/ year to fuel
27 MPG
✓ Cheaper to run
$2,043/ year to fuel
29 MPG

The 2022 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 $2,043 a year to fuel (29 MPG), versus $2,194 for the 2022 Cadillac CT4 (27 MPG). That's roughly $151 a year, or about $757 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 CT4Mercedes-Benz CLA-Class
$2,194 Your annual fuel cost $2,043
27 MPG Combined efficiency 29 MPG
23 MPG City 25 MPG
34 MPG Highway 36 MPG
90 cu ft Passenger volume 89 cu ft
11 cu ft Cargo volume 12 cu ft
331 g/mi Tailpipe CO₂ (g/mi) 309 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 Mercedes-Benz CLA-Class has more cargo space (12 vs. 11 cu ft).

Among 33 2022 compact cars, the Cadillac CT4 ranks 24th and the Mercedes-Benz CLA-Class 21st for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2022 Cadillac CT4 or the 2022 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 29 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2022 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 $2,043 for the Mercedes-Benz CLA-Class.

Which has more cargo space?

The Mercedes-Benz CLA-Class, with 12 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).

Cadillac CT4 vs Mercedes-Benz CLA-Class in other years

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