2025 head-to-head · Compact Car

2025 Audi A4 Hybrid vs Mercedes-Benz CLA-Class 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.

Swap sides
✓ Cheaper to run
$2,043/ year to fuel
29 MPG
✓ Cheaper to run
$1,975/ year to fuel
30 MPG

The 2025 Mercedes-Benz CLA-Class Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $1,975 a year to fuel (30 MPG), versus $2,043 for the 2025 Audi A4 Hybrid (29 MPG). That's roughly $68 a year, or about $341 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

  • Audi A4 Hybrid
  • Mercedes-Benz CLA-Class Hybrid

Side by side

Audi A4 HybridMercedes-Benz CLA-Class Hybrid
$2,043 Your annual fuel cost $1,975
29 MPG Combined efficiency 30 MPG
26 MPG City 26 MPG
36 MPG Highway 36 MPG
92 cu ft Passenger volume 89 cu ft
12 cu ft Cargo volume 12 cu ft
301 g/mi Tailpipe CO₂ (g/mi) 298 g/mi
6/10 EPA fuel economy score 6/10
6/10 EPA greenhouse gas score 6/10
Hybrid Powertrain Hybrid
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl turbo
7-speed dual-clutch Transmission 8-speed dual-clutch
AWD 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.

Audi A4 Hybrid vs Mercedes-Benz CLA-Class Hybrid across model years

  • Audi A4 Hybrid
  • Mercedes-Benz CLA-Class 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

Per EPA interior volume figures, the Audi A4 Hybrid has more passenger space (92 vs. 89 cu ft).

Among 26 2025 compact cars, the Audi A4 Hybrid ranks 17th and the Mercedes-Benz CLA-Class Hybrid 15th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2025 Audi A4 Hybrid or the 2025 Mercedes-Benz CLA-Class Hybrid?

Measured by cost to drive, the Mercedes-Benz CLA-Class Hybrid. The Audi A4 Hybrid is rated 29 MPG combined and the Mercedes-Benz CLA-Class Hybrid 30 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2025 Audi A4 Hybrid vs. the Mercedes-Benz CLA-Class Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,043 for the Audi A4 Hybrid and $1,975 for the Mercedes-Benz CLA-Class Hybrid.

Audi A4 Hybrid vs Mercedes-Benz CLA-Class Hybrid in other years

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