2015 head-to-head · Midsize Car

2015 Buick LaCrosse vs Toyota Avalon

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
$2,214/ year to fuel
21 MPG
✓ Cheaper to run
$1,938/ year to fuel
24 MPG

FWD · 3.5L 6-cyl · 6-speed automatic · 24 MPG

The 2015 Toyota Avalon is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,938 a year to fuel (24 MPG), versus $2,214 for the 2015 Buick LaCrosse (21 MPG). That's roughly $277 a year, or about $1,384 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

  • Buick LaCrosse
  • Toyota Avalon

Side by side

Buick LaCrosseToyota Avalon
$2,214 Your annual fuel cost $1,938
21 MPG Combined efficiency 24 MPG
18 MPG City 21 MPG
28 MPG Highway 30 MPG
100 cu ft Passenger volume 104 cu ft
16 cu ft Cargo volume 16 cu ft
419 g/mi Tailpipe CO₂ (g/mi) 365 g/mi
5/10 EPA fuel economy score 6/10
5/10 EPA greenhouse gas score 6/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
3.6L 6-cyl Engine / motor 3.5L 6-cyl
6-speed automatic Transmission 6-speed automatic
FWD 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.

Buick LaCrosse vs Toyota Avalon across model years

  • Buick LaCrosse
  • Toyota Avalon

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 Toyota Avalon has more passenger space (104 vs. 100 cu ft).

Among 69 2015 midsize cars, the Buick LaCrosse ranks 46th and the Toyota Avalon 42nd for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2015 Buick LaCrosse or the 2015 Toyota Avalon?

Measured by cost to drive, the Toyota Avalon. The Buick LaCrosse is rated 21 MPG combined and the Toyota Avalon 24 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 Buick LaCrosse vs. the Toyota Avalon per year?

At 15,000 miles a year with $3.10/gal regular gas, about $2,214 for the Buick LaCrosse and $1,938 for the Toyota Avalon.

Buick LaCrosse vs Toyota Avalon in other years

More 2015 comparisons

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