2017 Buick LaCrosse

The 2017 Buick LaCrosse is a full-size sedan that offers a comfortable ride and a spacious interior. The standard engine is a 3.6L V6 producing 310 horsepower and 268 lb-ft of torque. A 2.5L 4-cylinder engine with an electric assist motor (eAssist) was also available. This eAssist system delivered 194 horsepower and 187 lb-ft of torque. The V6 engine is generally considered more desirable for its greater power and smoother operation. People like the LaCrosse for its quiet cabin, smooth ride, and upscale interior, while some dislike its somewhat bland styling and less engaging driving experience compared to some competitors.

Engine

3.6L V6

• Oil Consumption
  • Description/Symptoms: Some owners report excessive oil consumption, requiring frequent top-offs between oil changes. Visible blue smoke from the exhaust can also be a symptom.
  • Solution: The fix can range from replacing the PCV valve to more extensive repairs like piston ring replacement.
  • Estimated Cost to Fix: $100 - $3,000+
  • Recalls: None Found
• Timing Chain Issues
  • Description/Symptoms: The 3.6L V6 engine, in some cases, may exhibit timing chain issues, leading to rough running, check engine light, and potential engine damage. This issue may be related to poor maintenance habits (infrequent oil changes) and/or a faulty timing chain tensioner.
  • Solution: Replacement of the timing chain, sprockets, and tensioners.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

2.5L 4-Cylinder with eAssist

• eAssist System Failure
  • Description/Symptoms: Some owners have reported issues with the eAssist system, resulting in a loss of power, error messages, and reduced fuel economy.
  • Solution: Diagnosis of the issue often involves inspection of the electric motor, battery pack, and associated control modules. Replacement or repair of the faulty component is required.
  • Estimated Cost to Fix: $500 - $3,000+
  • Recalls: None Found

Transmission

8-Speed Automatic (3.6L V6)

• Harsh Shifting
  • Description/Symptoms: Some owners have experienced harsh or jerky shifting, particularly between lower gears. This can be more pronounced when the transmission is cold.
  • Solution: A software update for the transmission control module (TCM) may resolve the issue. In more severe cases, valve body replacement or complete transmission replacement may be required.
  • Estimated Cost to Fix: $100 (software update) - $5,000+ (transmission replacement)
  • Recalls: None Found

6-Speed Automatic (2.5L 4-Cylinder with eAssist)

• No Issues Found

Suspension

• Strut/Shock Absorber Failure
  • Description/Symptoms: Premature failure of struts or shock absorbers, leading to a bouncy ride, poor handling, and excessive noise over bumps.
  • Solution: Replacement of the faulty struts/shocks.
  • Estimated Cost to Fix: $400 - $1,000+ per axle
  • Recalls: None Found

Electrical

• Infotainment System Problems
  • Description/Symptoms: The Buick IntelliLink infotainment system can experience issues such as freezing, slow response times, Bluetooth connectivity problems, and screen malfunctions.
  • Solution: Resetting the system, software updates (if available), or replacement of the infotainment unit.
  • Estimated Cost to Fix: $0 (reset) - $1,500+ (replacement)
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Some owners report experiencing excessive battery drain, leading to difficulty starting the vehicle, especially after it has been sitting for a few days.
  • Solution: Diagnosis of the electrical system to identify parasitic drains. Repair or replacement of the faulty component, such as a malfunctioning module or accessory.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Exterior

• Water Leaks
  • Description/Symptoms: Some owners have reported water leaks into the cabin, particularly in the trunk or around the sunroof. This can lead to musty odors and potential mold growth.
  • Solution: Inspection of weather stripping, seals, and drainage channels. Repair or replacement of damaged seals or clogged drains.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Malfunctions with the sunroof mechanism, including difficulty opening or closing, unusual noises, or leaks.
  • Solution: Repair or replacement of the sunroof motor, tracks, or seals.
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found

Summary

The 2017 Buick LaCrosse, while generally a reliable vehicle, does have some common issues. The 3.6L V6 engine can suffer from oil consumption and timing chain problems, which can be costly to repair. The 8-speed transmission can also exhibit harsh shifting. Electrical issues with the infotainment system and battery drain are also common complaints. The severity of these issues ranges from minor inconveniences to major mechanical failures, with repair costs ranging from a few hundred dollars to several thousand. Potential buyers should be aware of these issues and have the vehicle thoroughly inspected before purchase.