- Newest year: 2010
- Gas
- Midsize cars
2010 Buick Lacrosse/Allure MPG & Fuel Cost
4 configurations · 19–23 MPG combined
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 6 of 10 midsize car configurations, MY2010. Ranked against all rated configurations, not sales-weighted.
2010 Buick Lacrosse/Allure at a glance
The 2010 Buick Lacrosse/Allure has 4 configurations in the EPA database, rated 19–23 MPG combined. The most efficient is the Lacrosse/Allure 2.4L 4-cyl FWD at 23 MPG, which costs about $2,840 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). Annual fuel cost across the configurations runs from $2,840 to $3,440, a $600 difference. The Lacrosse/Allure 2.4L 4-cyl FWD costs less to fuel than 6 of 10 midsize car configurations rated for MY2010 (class median $3,110 a year).
What the 2010 Lacrosse/Allure 2.4L 4-cyl FWD costs to drive
Per month
$237
$2,840 a year ÷ 12
Per 25 miles
$4.73
Per 100 miles
$18.93
Five years
$14,200
5 × the yearly cost, prices held at today's level
vs the midsize car median
$270less a year
Class median $3,110 a year, MY2010
Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).
2010 Buick Lacrosse/Allure MPG
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Lacrosse/Allure 2.4L 4-cyl (Most efficient) | 2.4L 4-cyl | FWD | 19 | 30 | 23 | $2,840 |
| Lacrosse/Allure 3.6L 6-cyl | 3.6L 6-cyl | FWD | 17 | 27 | 21 | $3,110 |
| Lacrosse/Allure 3.0L 6-cyl FWD | 3.0L 6-cyl | FWD | 17 | 26 | 20 | $3,270 |
| Lacrosse/Allure 3.0L 6-cyl 4WD | 3.0L 6-cyl | 4WD | 16 | 25 | 19 | $3,440 |
Fuel cost by state
Yearly cost of the Lacrosse/Allure 2.4L 4-cyl FWD: $3,860 in California and $2,480 in Texas, a $1,380 difference.
- California $3,860
- Washington $3,580
- New York $2,840
- Florida $2,680
- Texas $2,480
Similar cars
Closest combined MPG among MY2010 midsize car models.
Generations
- 2005-2009 (1st gen)
- 2010 (2nd gen)
Frequently asked questions
How does the 2010 Buick Lacrosse/Allure compare with the previous generation?
The previous generation (2005-2009 Buick Lacrosse/Allure) is rated 19–21 MPG combined and costs $3,110–$4,230 a year to fuel; the 2010 model is rated 19–23 MPG and costs $2,840–$3,440 a year.
What gas mileage does the 2010 Buick Lacrosse/Allure get?
EPA rates the 2010 Buick Lacrosse/Allure at 19–23 MPG combined across 4 configurations. The most efficient, the Lacrosse/Allure 2.4L 4-cyl FWD, is rated 23 MPG combined (19 city / 30 highway).
How much does it cost to fuel a 2010 Buick Lacrosse/Allure per year?
Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Lacrosse/Allure 2.4L 4-cyl FWD costs about $2,840 a year. Across all 4 configurations the cost runs $2,840–$3,440 a year. That is a $600 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2010 Buick Lacrosse/Allure 100 miles?
About $18.93 per 100 miles for the Lacrosse/Allure 2.4L 4-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $18.93 and $22.93 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2010 Buick Lacrosse/Allure more efficient in the city or on the highway?
The Lacrosse/Allure 2.4L 4-cyl FWD is rated 19 city and 30 highway MPG, so it is more efficient on the highway, by 11 MPG.
How does the 2010 Buick Lacrosse/Allure compare with other midsize car configurations?
The Lacrosse/Allure 2.4L 4-cyl FWD costs about $2,840 a year to fuel, $270 less than the class median of $3,110, and less than 6 of 10 midsize car configurations. The comparison covers all 148 rated midsize car configurations for MY2010, not weighted by sales.
Is the 2010 Buick Lacrosse/Allure different from the 2009 model?
The most efficient configuration moves from 21 to 23 MPG, up 2. Its annual cost goes from $3,110 to $2,840, $270 less. EPA lists 4 configurations for 2010 against 2 configurations for 2009. See the 2009 Buick Lacrosse/Allure for that year.