2019 · Midsize Car · Gas
2019 Buick LaCrosse MPG & fuel economy
The 2019 Buick LaCrosse is a midsize car offered in 2 EPA-rated configurations. The most efficient version returns 24 MPG combined (20 city / 30 highway) on regular gasoline. Across the lineup, combined ratings range from 23 to 24 MPG. Efficiency is unchanged from the 2018 model. Among 68 midsize cars rated for 2019, it ranks 42nd for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $1,938 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2019 Buick LaCrosse's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 8.5 km/L in the city and 12.8 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 20 | 8.5 | 11.8 |
| Highway | 30 | 12.8 | 7.8 |
| Combined | 24 | 10.2 | 9.8 |
How it ranks among 2019 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
LaCrosse MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 3.6L 6-cyl · 9-speed automatic LaCrosse |
Gas | 20 MPG | 30 MPG | 24 MPG | — | $1,938 |
| AWD · 3.6L 6-cyl · 9-speed automatic LaCrosse AWD |
Gas | 20 MPG | 29 MPG | 23 MPG | — | $2,022 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 3.6L 6-cyl
- Transmission
- 9-speed automatic
- Drivetrain
- FWD
- Passenger volume
- 102 cu ft
- Cargo volume
- 16 cu ft
- Tailpipe CO₂
- 374 g/mi
- EPA fuel economy score
- 5/10
- EPA greenhouse gas score
- 5/10
2019 Buick LaCrosse vs. rivals
Compare the 2019 LaCrosse
With any other car from any year, including other LaCrosse model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2019 Buick LaCrosse Hybrid (29 MPG)
Frequently asked questions
What is the gas mileage of the 2019 Buick LaCrosse?
Up to 24 MPG combined (20 city / 30 highway); ratings range from 23 to 24 MPG depending on configuration.
What fuel does the 2019 Buick LaCrosse use?
Regular gasoline.
What is the fuel average in km/L for the 2019 Buick LaCrosse?
The 2019 Buick LaCrosse's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 8.5 km/L in the city and 12.8 km/L on the highway.
How much does it cost to fuel the 2019 Buick LaCrosse per year?
About $1,938 at 15,000 miles a year with $3.10/gal regular gas, or $12.92 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.