2017 head-to-head · Midsize Car

2017 Buick LaCrosse vs Dodge Challenger

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
$1,860/ year to fuel
25 MPG
✓ Cheaper to run
$2,022/ year to fuel
23 MPG

The 2017 Buick LaCrosse is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,860 a year to fuel (25 MPG), versus $2,022 for the 2017 Dodge Challenger (23 MPG). That's roughly $162 a year, or about $809 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
  • Dodge Challenger

Side by side

Buick LaCrosseDodge Challenger
$1,860 Your annual fuel cost $2,022
25 MPG Combined efficiency 23 MPG
21 MPG City 19 MPG
31 MPG Highway 30 MPG
102 cu ft Passenger volume 94 cu ft
16 cu ft Cargo volume 16 cu ft
360 g/mi Tailpipe CO₂ (g/mi) 389 g/mi
5/10 EPA fuel economy score 5/10
5/10 EPA greenhouse gas score 5/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
3.6L 6-cyl Engine / motor 3.6L 6-cyl
8-speed automatic Transmission 8-speed automatic
FWD 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.

Buick LaCrosse vs Dodge Challenger across model years

  • Buick LaCrosse
  • Dodge Challenger

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 Buick LaCrosse has more passenger space (102 vs. 94 cu ft).

Among 67 2017 midsize cars, the Buick LaCrosse ranks 35th and the Dodge Challenger 43rd for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2017 Buick LaCrosse or the 2017 Dodge Challenger?

Measured by cost to drive, the Buick LaCrosse. The Buick LaCrosse is rated 25 MPG combined and the Dodge Challenger 23 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2017 Buick LaCrosse vs. the Dodge Challenger per year?

At 15,000 miles a year with $3.10/gal regular gas, about $1,860 for the Buick LaCrosse and $2,022 for the Dodge Challenger.

Buick LaCrosse vs Dodge Challenger in other years

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