2018 head-to-head · Midsize Car

2018 BMW 5 Series vs Lexus LS

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
$2,576/ year to fuel
23 MPG

The 2018 BMW 5 Series is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,194 a year to fuel (27 MPG), versus $2,576 for the 2018 Lexus LS (23 MPG). That's roughly $382 a year, or about $1,908 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
  • Lexus LS

Side by side

BMW 5 SeriesLexus LS
$2,194 Your annual fuel cost $2,576
27 MPG Combined efficiency 23 MPG
24 MPG City 19 MPG
34 MPG Highway 30 MPG
99 cu ft Passenger volume 99 cu ft
14 cu ft Cargo volume 13 cu ft
324 g/mi Tailpipe CO₂ (g/mi) 387 g/mi
6/10 EPA fuel economy score 5/10
6/10 EPA greenhouse gas score 5/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 3.4L 6-cyl turbo
8-speed automatic Transmission 10-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 5 Series vs Lexus LS across model years

  • BMW 5 Series
  • Lexus LS

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 5 Series has more cargo space (14 vs. 13 cu ft).

Among 74 2018 midsize cars, the BMW 5 Series ranks 52nd and the Lexus LS 61st for lowest fuel cost.

Frequently asked questions

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

Measured by cost to drive, the BMW 5 Series. The BMW 5 Series is rated 27 MPG combined and the Lexus LS 23 MPG (EPA, most efficient configuration of each).

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

At 15,000 miles a year with $3.95/gal premium gas, about $2,194 for the BMW 5 Series and $2,576 for the Lexus LS.

Which has more cargo space?

The BMW 5 Series, with 14 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).

BMW 5 Series vs Lexus LS in other years

More 2018 comparisons

Or compare the 2018 BMW 5 Series with anything else:

Keep exploring