Most common 2017 Buick Lacrosse problems
Share of the 36 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Buick Lacrosse complaints by model year
Best Lacrosse years: 2019, 2018, 2017. Years to avoid: 2007, 2008. Compare all years →
2017 Buick Lacrosse recalls (2)
Suspension › Rear
General Motors LLC (C) is recalling certain 2017 Buick LaCrosse vehicles. The rear suspension toe-links may have been incorrectly installed, and, as a result, they may loosen and disconnect from the rear suspension system.
Remedy: GM will notify owners, and dealers will inspect the left and right rear suspension toe-link assemblies, correcting their installation as necessary, free of charge. The recall began May 25, 2017.
Steering › Electric power assist system
General Motors LLC (GM) is recalling certain 2017 Buick LaCrosse vehicles. The electrical connectors for the Electronic Power Steering (EPS) system may not be properly sealed. As a result, water may enter and corrode the connectors possibly resulting in a loss of power steering.
Remedy: GM will notify owners, and dealers will inspect correct the seal seating and secure the EPS connector seals, free of charge. The recall began on March 14, 2017.
What 2017 Buick Lacrosse owners say
Electrical system
The contact owns a 2017 Buick LaCrosse. The contact stated that while at a stoplight the fuel-saving feature activated and the engine shut-off. After removing his foot from the brake pedal the STOP/START feature failed to activate. The contact used the Push to Start button and restarted the vehicle. The vehicle was taken to the local dealer who was unable to duplicate the failure. The failure persisted. The manufacturer was not notified of the failure. The approximate failure mileage was 45,000.
Car has 4 trips on rollback and one driving in for transmission problems 3 trips was when coming to a stop the car will will slide to stop almost making us hit dash of car each time there would be a warning about a minute before service transmission . One of the Trip for transmission service light I did drive it in. The car went in yesterday for transmission service again. My thinking of this is what would happen if I were driving 70 MPH and the car locked up what would happen to me and the people around me.
Transmission & drivetrain
The contact owns a 2017 Buick Lacrosse. The contact stated that after his wife had parked and turning off the vehicle, moments later the vehicle was restarted and the check engine and TCM warning lights remained illuminated. Additionally, the transmission shifter failed to shift out of park. The vehicle towed to the local dealer. The cause of the failure was not yet determined. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was 70,000.
My 2017 Buick LaCrosse Premium AWD (116,220 miles) experienced a severe all-wheel-drive failure causing significant binding and a loud rumbling/clunking noise during sharp, low-speed cornering and acceleration. The vehicle has been officially inspected by two separate authorized manufacturer service centers. On September 25, 2026, a certified GM technician at Advantage Buick GMC formally documented that the vehicle has a prominent rear drivetrain failure, identifying it as a "rear diff or driveshaft issue" that requires full component replacement. Prior to the complete mechanical failure, no warning lights or dashboard indicators illuminated. The binding symptoms appeared suddenly during normal city driving maneuvers. …
Engine & cooling
The contact owns a 2017 Buick Lacrosse. The contact stated that after his wife had parked and turning off the vehicle, moments later the vehicle was restarted and the check engine and TCM warning lights remained illuminated. Additionally, the transmission shifter failed to shift out of park. The vehicle towed to the local dealer. The cause of the failure was not yet determined. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was 70,000.
The contact owns a 2017 Buick Lacrosse. The contact stated that while driving at an undisclosed speed, the vehicle inadvertently lost motive power on several occasions. The vehicle restarted after a while. The vehicle was taken to the local dealer where it was diagnosed with a faulty power inverter module. The vehicle was repaired but the failure persisted. The manufacturer was not notified of the failure. The approximate failure mileage was 12,500.
2017 Buick Lacrosse engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 3.6L 6-cyl | 8-speed automatic | FWD | 21 / 31 / 25 |
| 3.6L 6-cyl | 8-speed automatic | AWD | 20 / 29 / 23 |
EPA ratings. Class: Midsize car.
Frequently asked questions
Is the 2017 Buick Lacrosse a good car?
Based on 36 owner complaints filed with NHTSA, the 2017 Lacrosse rates better than average: 73% fewer complaints than a typical year of the Lacrosse at the same age. It is one of the best Lacrosse years by this measure. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2017 Buick Lacrosse?
The electrical system — 11 complaints, 31% of all complaints for this model year. Next are the transmission & drivetrain (9) and engine & cooling (5).
How many recalls does the 2017 Buick Lacrosse have?
There are 2 recalls for the 2017 Buick Lacrosse, the most recent from April 21, 2017 (rear). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Buick Lacrosse?
The best years by complaints, compared at the same age, are 2019, 2018 and 2017. Years to avoid or approach with caution: 2007 and 2008. See the full Buick Lacrosse years comparison.
At what mileage do 2017 Buick Lacrosse problems happen?
The median mileage reported in complaints is about 17,000 miles; 80% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.