2015 head-to-head · Small SUV

2015 BMW X3 Diesel vs Lexus RX 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
$1,850/ year to fuel
30 MPG

AWD · 2.0L 4-cyl turbo · 8-speed automatic · 30 MPG

✓ Cheaper to run
$2,043/ year to fuel
29 MPG

The 2015 BMW X3 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 $1,850 a year to fuel (30 MPG), versus $2,043 for the 2015 Lexus RX Hybrid (29 MPG). That's roughly $193 a year, or about $966 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 X3 Diesel
  • Lexus RX Hybrid

Side by side

BMW X3 DieselLexus RX Hybrid
$1,850 Your annual fuel cost $2,043
30 MPG Combined efficiency 29 MPG
27 MPG City 31 MPG
33 MPG Highway 28 MPG
345 g/mi Tailpipe CO₂ (g/mi) 301 g/mi
7/10 EPA fuel economy score 7/10
6/10 EPA greenhouse gas score 7/10
Diesel Powertrain Hybrid
Diesel Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 3.5L 6-cyl
8-speed automatic Transmission CVT
AWD Drivetrain FWD

✓ 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 X3 Diesel vs Lexus RX Hybrid across model years

  • BMW X3 Diesel
  • Lexus RX 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

Among 60 2015 small SUVs, the BMW X3 Diesel ranks 19th and the Lexus RX Hybrid 34th for lowest fuel cost.

The powertrains differ: the BMW X3 Diesel is a diesel, while the Lexus RX Hybrid is a full hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2015 BMW X3 Diesel or the 2015 Lexus RX Hybrid?

Measured by cost to drive, the BMW X3 Diesel. The BMW X3 Diesel is rated 30 MPG combined and the Lexus RX Hybrid 29 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 BMW X3 Diesel vs. the Lexus RX Hybrid per year?

At 15,000 miles a year with $3.70/gal diesel fuel and $3.95/gal premium gas, about $1,850 for the BMW X3 Diesel and $2,043 for the Lexus RX Hybrid.

BMW X3 Diesel vs Lexus RX Hybrid in other years

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