2026 head-to-head · Subcompact Car

2026 BMW 4 Series Hybrid vs Mercedes-Benz AMG GT 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
$1,911/ year to fuel
31 MPG
✓ Cheaper to run
$2,693/ year to fuel
22 MPG

The 2026 BMW 4 Series Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $1,911 a year to fuel (31 MPG), versus $2,693 for the 2026 Mercedes-Benz AMG GT Hybrid (22 MPG). That's roughly $782 a year, or about $3,909 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

  • BMW 4 Series Hybrid
  • Mercedes-Benz AMG GT Hybrid

Side by side

BMW 4 Series HybridMercedes-Benz AMG GT Hybrid
$1,911 Your annual fuel cost $2,693
31 MPG Combined efficiency 22 MPG
28 MPG City 19 MPG
36 MPG Highway 27 MPG
86 cu ft Passenger volume 81 cu ft
12 cu ft Cargo volume 16 cu ft
285 g/mi Tailpipe CO₂ (g/mi) 405 g/mi
6/10 EPA fuel economy score 4/10
6/10 EPA greenhouse gas score 4/10
Hybrid Powertrain Hybrid
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl turbo
8-speed automatic 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.

BMW 4 Series Hybrid vs Mercedes-Benz AMG GT Hybrid across model years

  • BMW 4 Series Hybrid
  • Mercedes-Benz AMG GT 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 BMW 4 Series Hybrid has more passenger space (86 vs. 81 cu ft); the Mercedes-Benz AMG GT Hybrid has more cargo space (16 vs. 12 cu ft).

Among 26 2026 subcompact cars, the BMW 4 Series Hybrid ranks 6th and the Mercedes-Benz AMG GT Hybrid 17th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2026 BMW 4 Series Hybrid or the 2026 Mercedes-Benz AMG GT Hybrid?

Measured by cost to drive, the BMW 4 Series Hybrid. The BMW 4 Series Hybrid is rated 31 MPG combined and the Mercedes-Benz AMG GT Hybrid 22 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2026 BMW 4 Series Hybrid vs. the Mercedes-Benz AMG GT Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas, about $1,911 for the BMW 4 Series Hybrid and $2,693 for the Mercedes-Benz AMG GT Hybrid.

Which has more cargo space?

The Mercedes-Benz AMG GT Hybrid, with 16 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).

BMW 4 Series Hybrid vs Mercedes-Benz AMG GT Hybrid in other years

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