2018 head-to-head · Midsize Car

2018 Buick LaCrosse vs Kia Stinger

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
$1,938/ year to fuel
24 MPG
✓ Cheaper to run
$2,370/ year to fuel
25 MPG

The 2018 Buick LaCrosse is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, it costs about $1,938 a year to fuel (24 MPG), versus $2,370 for the 2018 Kia Stinger (25 MPG). That's roughly $432 a year, or about $2,162 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
  • Kia Stinger

Side by side

Buick LaCrosseKia Stinger
$1,938 Your annual fuel cost $2,370
24 MPG Combined efficiency 25 MPG
21 MPG City 22 MPG
30 MPG Highway 29 MPG
102 cu ft Passenger volume 95 cu ft
16 cu ft Cargo volume 23 cu ft
367 g/mi Tailpipe CO₂ (g/mi) 365 g/mi
5/10 EPA fuel economy score 5/10
5/10 EPA greenhouse gas score 5/10
Gas Powertrain Gas
Regular gasoline Fuel Premium gasoline
3.6L 6-cyl Engine / motor 2.0L 4-cyl turbo
9-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 Kia Stinger across model years

  • Buick LaCrosse
  • Kia Stinger

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. 95 cu ft); the Kia Stinger has more cargo space (23 vs. 16 cu ft).

Among 74 2018 midsize cars, the Buick LaCrosse ranks 43rd and the Kia Stinger 60th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2018 Buick LaCrosse or the 2018 Kia Stinger?

Measured by cost to drive, the Buick LaCrosse. The Buick LaCrosse is rated 24 MPG combined and the Kia Stinger 25 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2018 Buick LaCrosse vs. the Kia Stinger per year?

At 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, about $1,938 for the Buick LaCrosse and $2,370 for the Kia Stinger.

Which has more cargo space?

The Kia Stinger, with 23 cu ft of luggage volume versus 16 cu ft (EPA interior volume index).

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