FaultScore

Worst years for a Buick Lacrosse

Owners have filed 2,918 complaints about the Buick Lacrosse with NHTSA across model years 2005 to 2019. More of them are about the electrical system than anything else.

Avoid

2006 Buick Lacrosse

383 complaints — the highest FaultScore of any year, mostly lights.

Cleanest on record

2018 Buick Lacrosse

19 complaints — the lowest FaultScore of the graded years.

Every Buick Lacrosse year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2019 8 0 0 Engine & Cooling
2018 A 19 0 0 63,300 Electrical System
2017 A 42 0 0 15,000 Electrical System
2016 C 61 5 2 40,000 Steering
2015 C 54 6 0 25,000 Steering
2014 C 90 12 1 41,000 Electrical System
2013 C 200 5 3 62,000 Electrical System
2012 D 308 15 4 54,456 Electrical System
2011 D 244 27 2 55,900 Engine & Cooling
2010 C 278 9 14 63,000 Engine & Cooling
2009 B 146 5 8 60,000 Lights
2008 D 343 16 9 55,000 Electrical System
2007 D 327 9 26 64,500 Lights
2006 D 383 28 11 77,615 Lights
2005 D 415 13 8 62,986 Lights

What breaks on a Buick Lacrosse

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Electrical System 595 20.4%

Worst in 2008

Lights 502 17.2%

Worst in 2006

Engine & Cooling 257 8.8%

Worst in 2010

Airbags 252 8.6%

Worst in 2008

Steering 229 7.8%

Worst in 2005

Brakes 144 4.9%

Worst in 2005

Suspension 142 4.9%

Worst in 2012

Worst in 2012

Worst in 2012

Worst in 2010

Worst in 2012

Worst in 2011

Worst in 2005

Worst in 2013

Exactly what failed on a Buick Lacrosse

The named sub-assemblies behind those complaints, across every model year.

Body 38 24.1%
Headlights 33 20.9%
Instrument Cluster/Panel 19 12.0%
Automatic Transmission 12 7.6%
Sensor/Control Module 11 7.0%
Door 10 6.3%
Defroster/Defogger/Hvac System 9 5.7%
Antilock/Traction Control/Electronic Limited Slip 9 5.7%
Frontal 9 5.7%
Pedals AND Linkages 8 5.1%

Complaints filed over time

Every complaint about every Buick Lacrosse, by the month it reached NHTSA.

Nov 2004 peak 75 Aug 2026

Buick Lacrosse problems by state

Where owners filed from. Heavier states are usually just bigger markets, but a part that fails in heat or salt shows up here first.

Compare the Buick Lacrosse

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.