2018 head-to-head · Midsize Car

2018 BMW 5 Series vs Lexus GS 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
$2,194/ year to fuel
27 MPG
✓ Cheaper to run
$1,911/ year to fuel
31 MPG

RWD · 3.5L 6-cyl · CVT · 31 MPG

The 2018 Lexus GS 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 $2,194 for the 2018 BMW 5 Series (27 MPG). That's roughly $283 a year, or about $1,416 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 GS Hybrid

Side by side

BMW 5 SeriesLexus GS Hybrid
$2,194 Your annual fuel cost $1,911
27 MPG Combined efficiency 31 MPG
24 MPG City 29 MPG
34 MPG Highway 34 MPG
99 cu ft Passenger volume 99 cu ft
14 cu ft Cargo volume 13 cu ft
324 g/mi Tailpipe CO₂ (g/mi) 283 g/mi
6/10 EPA fuel economy score 7/10
6/10 EPA greenhouse gas score 7/10
Gas Powertrain Hybrid
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 3.5L 6-cyl
8-speed automatic Transmission CVT
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 GS Hybrid across model years

  • BMW 5 Series
  • Lexus GS 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 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 GS Hybrid 37th for lowest fuel cost.

The powertrains differ: the BMW 5 Series is a conventional gas model, while the Lexus GS Hybrid is a full hybrid.

Frequently asked questions

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

Measured by cost to drive, the Lexus GS Hybrid. The BMW 5 Series is rated 27 MPG combined and the Lexus GS Hybrid 31 MPG (EPA, most efficient configuration of each).

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

At 15,000 miles a year with $3.95/gal premium gas, about $2,194 for the BMW 5 Series and $1,911 for the Lexus GS Hybrid.

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 GS Hybrid in other years

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