2015 head-to-head · Compact Car

2015 BMW 3 Series Diesel vs BMW 3 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
$1,542/ year to fuel
36 MPG
✓ Cheaper to run
$2,116/ year to fuel
28 MPG

RWD · 3.0L 6-cyl turbo · 8-speed automatic · 28 MPG

The 2015 BMW 3 Series Diesel is the cheaper one to run. Driving 15,000 miles a year with $3.70/gal diesel fuel and $3.95/gal premium gas, it costs about $1,542 a year to fuel (36 MPG), versus $2,116 for the 2015 BMW 3 Series Hybrid (28 MPG). That's roughly $574 a year, or about $2,872 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 3 Series Diesel
  • BMW 3 Series Hybrid

Side by side

BMW 3 Series DieselBMW 3 Series Hybrid
$1,542 Your annual fuel cost $2,116
36 MPG Combined efficiency 28 MPG
31 MPG City 25 MPG
43 MPG Highway 32 MPG
96 cu ft Passenger volume 96 cu ft
13 cu ft Cargo volume 10 cu ft
285 g/mi Tailpipe CO₂ (g/mi) 318 g/mi
9/10 EPA fuel economy score 7/10
8/10 EPA greenhouse gas score 7/10
Diesel Powertrain Hybrid
Diesel 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 3 Series Diesel vs BMW 3 Series Hybrid across model years

  • BMW 3 Series Diesel
  • BMW 3 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 3 Series Diesel has more cargo space (13 vs. 10 cu ft).

Among 52 2015 compact cars, the BMW 3 Series Diesel ranks 19th and the BMW 3 Series Hybrid 39th for lowest fuel cost.

The powertrains differ: the BMW 3 Series Diesel is a diesel, while the BMW 3 Series Hybrid is a full hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2015 BMW 3 Series Diesel or the 2015 BMW 3 Series Hybrid?

Measured by cost to drive, the BMW 3 Series Diesel. The BMW 3 Series Diesel is rated 36 MPG combined and the BMW 3 Series Hybrid 28 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 BMW 3 Series Diesel vs. the BMW 3 Series Hybrid per year?

At 15,000 miles a year with $3.70/gal diesel fuel and $3.95/gal premium gas, about $1,542 for the BMW 3 Series Diesel and $2,116 for the BMW 3 Series Hybrid.

Which has more cargo space?

The BMW 3 Series Diesel, with 13 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).

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