2018 head-to-head · Midsize Car

2018 BMW 5 Series vs BMW 5 Series Diesel

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
$1,850/ year to fuel
30 MPG

AWD · 3.0L 6-cyl turbo · 8-speed automatic · 30 MPG

The 2018 BMW 5 Series Diesel is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and $3.70/gal diesel fuel, it costs about $1,850 a year to fuel (30 MPG), versus $2,194 for the 2018 BMW 5 Series (27 MPG). That's roughly $344 a year, or about $1,722 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 5 Series
  • BMW 5 Series Diesel

Side by side

BMW 5 SeriesBMW 5 Series Diesel
$2,194 Your annual fuel cost $1,850
27 MPG Combined efficiency 30 MPG
24 MPG City 26 MPG
34 MPG Highway 36 MPG
99 cu ft Passenger volume 99 cu ft
14 cu ft Cargo volume 14 cu ft
324 g/mi Tailpipe CO₂ (g/mi) 341 g/mi
6/10 EPA fuel economy score 7/10
6/10 EPA greenhouse gas score 5/10
Gas Powertrain Diesel
Premium gasoline Fuel Diesel
2.0L 4-cyl turbo Engine / motor 3.0L 6-cyl turbo
8-speed automatic Transmission 8-speed automatic
RWD Drivetrain AWD

✓ 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 5 Series vs BMW 5 Series Diesel across model years

  • BMW 5 Series
  • BMW 5 Series Diesel

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

Among 74 2018 midsize cars, the BMW 5 Series ranks 52nd and the BMW 5 Series Diesel 36th for lowest fuel cost.

The powertrains differ: the BMW 5 Series is a conventional gas model, while the BMW 5 Series Diesel is a diesel.

Frequently asked questions

Which is more fuel-efficient, the 2018 BMW 5 Series or the 2018 BMW 5 Series Diesel?

Measured by cost to drive, the BMW 5 Series Diesel. The BMW 5 Series is rated 27 MPG combined and the BMW 5 Series Diesel 30 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2018 BMW 5 Series vs. the BMW 5 Series Diesel per year?

At 15,000 miles a year with $3.95/gal premium gas and $3.70/gal diesel fuel, about $2,194 for the BMW 5 Series and $1,850 for the BMW 5 Series Diesel.

BMW 5 Series vs BMW 5 Series Diesel in other years

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