2021 head-to-head · Subcompact Car

2021 BMW 4 Series vs BMW 4 Series 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
$2,279/ year to fuel
26 MPG

RWD · 3.0L 6-cyl turbo · 8-speed automatic · 26 MPG

The 2021 BMW 4 Series 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 $2,279 for the 2021 BMW 4 Series Hybrid (26 MPG). That's roughly $236 a year, or about $1,179 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
  • BMW 4 Series Hybrid

Side by side

BMW 4 SeriesBMW 4 Series Hybrid
$2,043 Your annual fuel cost $2,279
29 MPG Combined efficiency 26 MPG
26 MPG City 23 MPG
34 MPG Highway 31 MPG
86 cu ft Passenger volume 84 cu ft
12 cu ft Cargo volume 9 cu ft
304 g/mi Tailpipe CO₂ (g/mi) 338 g/mi
6/10 EPA fuel economy score 5/10
6/10 EPA greenhouse gas score 5/10
Gas Powertrain Hybrid
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 3.0L 6-cyl turbo
8-speed automatic Transmission 8-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 vs BMW 4 Series Hybrid across model years

  • BMW 4 Series
  • BMW 4 Series 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 has more cargo space (12 vs. 9 cu ft).

Among 34 2021 subcompact cars, the BMW 4 Series ranks 10th and the BMW 4 Series Hybrid 19th for lowest fuel cost.

The powertrains differ: the BMW 4 Series is a conventional gas model, while the BMW 4 Series Hybrid is a full hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2021 BMW 4 Series or the 2021 BMW 4 Series Hybrid?

Measured by cost to drive, the BMW 4 Series. The BMW 4 Series is rated 29 MPG combined and the BMW 4 Series Hybrid 26 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 BMW 4 Series vs. the BMW 4 Series Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,043 for the BMW 4 Series and $2,279 for the BMW 4 Series Hybrid.

Which has more cargo space?

The BMW 4 Series, with 12 cu ft of luggage volume versus 9 cu ft (EPA interior volume index).

BMW 4 Series vs BMW 4 Series Hybrid in other years

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