2021 head-to-head · Compact Car

2021 BMW 3 Series vs Lexus UX 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
$1,975/ year to fuel
30 MPG
✓ Cheaper to run
$1,107/ year to fuel
42 MPG

The 2021 Lexus UX Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and $3.10/gal regular gas, it costs about $1,107 a year to fuel (42 MPG), versus $1,975 for the 2021 BMW 3 Series (30 MPG). That's roughly $868 a year, or about $4,339 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
  • Lexus UX Hybrid

Side by side

BMW 3 SeriesLexus UX Hybrid
$1,975 Your annual fuel cost $1,107
30 MPG Combined efficiency 42 MPG
26 MPG City 43 MPG
36 MPG Highway 41 MPG
94 cu ft Passenger volume 90 cu ft
13 cu ft Cargo volume 17 cu ft
298 g/mi Tailpipe CO₂ (g/mi) 209 g/mi
6/10 EPA fuel economy score 8/10
6/10 EPA greenhouse gas score 8/10
Gas Powertrain Hybrid
Premium gasoline Fuel Regular gasoline
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl
8-speed automatic Transmission CVT
RWD 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 3 Series vs Lexus UX Hybrid across model years

  • BMW 3 Series
  • Lexus UX 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 has more passenger space (94 vs. 90 cu ft); the Lexus UX Hybrid has more cargo space (17 vs. 13 cu ft).

Among 37 2021 compact cars, the BMW 3 Series ranks 20th and the Lexus UX Hybrid 4th for lowest fuel cost.

The powertrains differ: the BMW 3 Series is a conventional gas model, while the Lexus UX Hybrid is a full hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2021 BMW 3 Series or the 2021 Lexus UX Hybrid?

Measured by cost to drive, the Lexus UX Hybrid. The BMW 3 Series is rated 30 MPG combined and the Lexus UX Hybrid 42 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 BMW 3 Series vs. the Lexus UX Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas and $3.10/gal regular gas, about $1,975 for the BMW 3 Series and $1,107 for the Lexus UX Hybrid.

Which has more cargo space?

The Lexus UX Hybrid, with 17 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).

BMW 3 Series vs Lexus UX Hybrid in other years

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