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2015 Buick

LaCrosse AWD

Auto (S6), 6 cyl, 3.6 L

Buick LaCrosse: best and worst years
2015 Buick LaCrosse AWD (photo 1 of 3)
PhotoDinkun ChenCC BY-SA 4.0Wikimedia Commons

Overview

Body
Midsize CarsEPA, from EPA, last updated 6/11/2026
Drivetrain
All-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission
Automatic (S6)EPA, from EPA, last updated 6/11/2026
Powertrain
GasEPA, from EPA, last updated 6/11/2026
Fuel
Gasoline or E85EPA, from EPA, last updated 6/11/2026

Engine & performance

HP
303
Power to weight
0.078 hp/lb
Axle ratio
2.77
Cyl
6EPA, from EPA, last updated 6/11/2026
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/11/2026
Start-stop system
NoEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy
26 mpgEPA, from EPA, last updated 6/11/2026
MPG City
17 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb
20 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr
$3,100EPA, from EPA, last updated 6/11/2026
CO₂
444 g/miEPA, from EPA, last updated 6/11/2026
Eco Score
5/10EPA, from EPA, last updated 6/11/2026
Smog score
6/10
Elec. Range
0 miEPA, from EPA, last updated 6/11/2026
SmartWay certified
No

Dimensions & capacity

Length
197 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Width
73 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Height
59 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Wheelbase
112 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Curb Weight
3,907 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Pass. Vol
100 ft³EPA, from EPA, last updated 6/11/2026
Cargo Vol
16 ft³EPA, from EPA, last updated 6/11/2026

Safety NHTSA, model year

Overall crash rating
★★★★★
Rollover rating
★★★★
Stability control (ESC)
Standard
Forward-collision warning
Optional
Lane-departure warning
Optional
Recalls
3
Owner complaints
44
Reported injuries
4

Feature availability

Which features come standard, cost extra, or are locked to a pricier trim arrives with the next data phase. Standard equipment shows here today.

Standard

Reported problems NHTSA owner complaints, model year

  • STEERING23%
  • ELECTRICAL SYSTEM17%
  • AIR BAGS13%
  • SERVICE BRAKES8%
  • UNKNOWN OR OTHER8%
  • EXTERIOR LIGHTING6%

Source: NHTSA owner complaints, 53 total.

Buick LaCrosse: best and worst years

Warranty manufacturer terms, by make

Basic
4 yr / 50k mi
Powertrain
6 yr / 70k mi
Roadside assistance
6 yr / 70k mi
Maintenance
1 yr / 12k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.