Buick Lacrosse ReliabilityAll Years Ranked (2005–2018)
Side-by-side reliability scores, risk levels, and owner-cost projections for every Buick Lacrosse we've analyzed. Identify the best years to buy, the ones to avoid, and the problems that follow the Lacrosse across generations.
Average Score
84/100
Best Year
2008 Buick Lacrosse
Score 88
Weakest Year
2010 Buick Lacrosse
Score 78
Every Buick Lacrosse Ranked
Sorted by reliability score. Each link opens the full year-specific report.
A comfortable, value-rich sedan with a strong powertrain foundation, though minor electrical and regional rust issues can arise.
Top risks: Electrical System · Transmission (4T65E) · Suspension Components
A comfortable, reliable full-size sedan that excels on the highway, with minor electronic annoyances.
Top risks: Infotainment System (IntelliLink) · HVAC System · Transmission (6-speed automatic)
A comfortable, composed, and generally dependable sedan that offers substantial luxury for the money.
Top risks: Electrical System & Infotainment · Transmission (6-speed automatic) · Engine Sensors & Components
A supremely comfortable and mechanically sound sedan, requiring attention to its occasional electronic and climate control annoyances.
Top risks: Infotainment System · HVAC Blend Door Actuators · Front Suspension Bushings
A comfortable cruiser with a strong reliability record, providing premium features without the premium price tag.
Top risks: Infotainment/Electrical System · 8-Speed Automatic Transmission (8L45) · Engine (3.6L LGX V6) Minor Leaks
A dependable, comfortable cruiser that offers excellent value, provided you account for its common electrical and suspension wear.
Top risks: Electrical System · Front Suspension Components · Power Steering System
A comfortable, value-packed cruiser that requires attention to its electrical system and transmission history.
Top risks: Transmission (6-speed Automatic) · Electrical System & Infotainment · Suspension Components
A comfortable, dependable sedan that offers robust mechanicals, provided you address a few common, well-known issues.
Top risks: HVAC System · Engine (Intake Manifold Gaskets) · Electrical Accessories
A reliable, comfortable, and budget-friendly sedan, provided you address its well-known but manageable weaknesses.
Top risks: Upper & Lower Intake Manifold Gaskets · Electrical System & Body Control Module (BCM) · Power Steering System Leaks
A comfortable, dependable cruiser that can deliver many more miles, especially with the bulletproof 3.8L V6.
Top risks: HVAC System · Suspension Components · Electrical (Window Regulators)
A comfortable cruiser that demands attention to its drivetrain's specific weak points for long-term satisfaction.
Top risks: Engine Timing Components (3.6L V6) · Transmission (6T70/75 6-speed Automatic) · 2.4L Ecotec Engine Oil Consumption
A comfortable, quiet cruiser that delivers good value, provided you’re aware of its common tech and powertrain quirks.
Top risks: Infotainment System (CUE) · Transmission (6-speed Automatic) · Engine (2.4L eAssist System)
A comfortable cruiser that can be a great value, but inspect thoroughly to avoid major powertrain regrets.
Top risks: Engine (3.6L V6) · Transmission · Electrical System
A comfortable cruiser with a few significant electronic and steering weak points that demand careful vetting.
Top risks: Electric Power Steering (EPS) · Infotainment/Electrical System · Front Suspension Components
Problems That Follow the Lacrosse Across Generations
Issues that appear in the top-3 risks across multiple model years — the cost of ownership you can actually predict.
HVAC System
Appears in 3 model years · 21% of generations
Electrical System
Appears in 3 model years · 21% of generations
Suspension Components
Appears in 3 model years · 21% of generations
Front Suspension Components
Appears in 2 model years · 14% of generations
Infotainment/Electrical System
Appears in 2 model years · 14% of generations
Transmission (6-speed Automatic)
Appears in 2 model years · 14% of generations
Electrical System & Infotainment
Appears in 2 model years · 14% of generations
Transmission (6-speed automatic)
Appears in 2 model years · 14% of generations