Buick LaCrosse eAssist MPG by year — every rating on record
The Buick LaCrosse eAssist has a combined EPA fuel economy rating for 7 model years, from 2012 to 2019. Across those years its best rated version returned 29 mpg (2013) and its thirstiest returned 28 mpg (2012). The EPA record holds 7 configurations for this nameplate, most recently a Midsize Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2012 | 1 | 28 mpg | 28 mpg | #21 of 76 (73th pct) | Front-Wheel Drive | Regular | Midsize Cars |
| 2013 | 1 | 29 mpg | 29 mpg | #33 of 92 (65th pct) | Front-Wheel Drive | Regular | Midsize Cars |
| 2014 | 1 | 28 mpg | 28 mpg | #49 of 107 (55th pct) | Front-Wheel Drive | Regular | Midsize Cars |
| 2015 | 1 | 28 mpg | 28 mpg | #47 of 101 (54th pct) | Front-Wheel Drive | Regular | Midsize Cars |
| 2016 | 1 | 28 mpg | 28 mpg | #52 of 112 (54th pct) | Front-Wheel Drive | Regular | Midsize Cars |
| 2018 | 1 | 29 mpg | 29 mpg | #51 of 125 (60th pct) | Front-Wheel Drive | Regular | Midsize Cars |
| 2019 | 1 | 29 mpg | 29 mpg | #57 of 127 (56th pct) | Front-Wheel Drive | Regular | Midsize Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Buick LaCrosse eAssist placed highest in 2012 at #21 of 76, and lowest in 2019 at #57 of 127. It spent 7 of its 7 ranked years in the top half of its class.
Every configuration on record
All 7 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | 2.5L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI; Mild Hybrid; eAssist, Hybrid, start-stop | 25 | 35 | 29 | 396.6 | 10.3 | $2,150 | 308 | 6/10 |
| 2018 | 2.5L 4-cyl Front-Wheel Drive Automatic 6-spd Regular | SIDI; eAssist, Hybrid, start-stop | 25 | 35 | 29 | 396.6 | 10.3 | $2,150 | 306 | 6/10 |
| 2016 | 2.4L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI; eAssist, Hybrid, start-stop | 24 | 35 | 28 | 410.7 | 10.6 | $2,250 | 312 | 7/10 |
| 2015 | 2.4L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI, Hybrid, start-stop | 24 | 35 | 28 | 410.7 | 10.6 | $2,250 | 314 | 7/10 |
| 2014 | 2.4L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI, Hybrid, start-stop | 24 | 35 | 28 | 410.7 | 10.6 | $2,250 | 312 | 7/10 |
| 2013 | 2.4L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI, Hybrid, start-stop | 25 | 36 | 29 | 396.6 | 10.3 | $2,150 | 312 | 8/10 |
| 2012 | 2.4L 4-cyl Front-Wheel Drive Automatic (AV-S6) Regular | SIDI, Hybrid, start-stop | 24 | 35 | 28 | 410.7 | 10.6 | $2,250 | 317.39285714285717 | n/a |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 2 of 3 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2012 → 2013 | 28 → 29 mpg | +1 mpg | 397 gal |
| 2013 → 2014 | 29 → 28 mpg | -1 mpg | 411 gal |
| 2016 → 2018 | 28 → 29 mpg | +1 mpg | 397 gal |
What LaCrosse eAssist fuel costs over a year
At the EPA's 11,500 miles a year, the 2019 Buick LaCrosse eAssist burns 397 to 397 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,190 | $1,190 | $0 |
| $3.50/gal | $1,388 | $1,388 | $0 |
| $4.00/gal | $1,586 | $1,586 | $0 |
EPA’s own estimate for the 2019 model year is $2,150 to $2,150 a year in fuel, or $500 less than the average new vehicle over five years.
How it compares with other Midsize Cars
Across the 483 nameplates EPA classifies as Midsize Cars, the median best combined rating is 25 mpg. At 29 mpg the Buick LaCrosse eAssist is 4 mpg better the median, which is worth about $222 a year at $3.50 a gallon.
- All Midsize Cars rankings — every nameplate in the class, best to worst.
Other Buick nameplates
Every Buick model compared → — all nameplates ranked by best combined rating, with what each one costs a year.