2020 Chevrolet Impala

The 2020 Chevrolet Impala is a full-size sedan that offers a comfortable ride and spacious interior. It came standard with a 3.6L V6 engine producing 305 horsepower and 264 lb-ft of torque, paired with a 6-speed automatic transmission. It was the final model year for the Impala. People often appreciate its smooth ride, quiet cabin, and ample trunk space. Some common criticisms include its somewhat dated design compared to competitors, average fuel economy, and the lack of advanced driver-assistance features as standard equipment.

Engine

3.6L V6

• Excessive Oil Consumption
  • Description/Symptoms: Owners report the 3.6L V6 engine consuming excessive amounts of oil between oil changes. Symptoms include the low oil light illuminating, the need to add oil frequently, and in some cases, engine damage due to oil starvation.
  • Solution: Diagnosis by a mechanic is necessary to determine the root cause. Solutions can range from replacing valve stem seals or piston rings to replacing the entire engine in severe cases.
  • Estimated Cost to Fix: $500 - $5,000+
  • Recalls: None Found
• Timing Chain Issues
  • Description/Symptoms: Some owners have reported issues with the timing chain stretching or failing prematurely. Symptoms can include a check engine light, rough idling, and engine noise.
  • Solution: Replacing the timing chain, tensioners, and guides.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Transmission

6-Speed Automatic (6T70)

• Harsh Shifting/Slipping
  • Description/Symptoms: Some owners have reported harsh or erratic shifting between gears. Slipping during gear changes can also occur.
  • Solution: In some cases, a transmission fluid flush and relearn procedure can resolve the issue. More severe cases may require valve body replacement or a complete transmission rebuild or replacement.
  • Estimated Cost to Fix: $200 (fluid flush) - $4,000+ (transmission replacement)
  • Recalls: None Found

Suspension

• No Issues Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The Chevrolet MyLink infotainment system can experience freezing, crashing, and unresponsiveness. This can affect access to navigation, audio, and other vehicle controls.
  • Solution: A software update may resolve the issue. If not, replacement of the infotainment unit may be necessary.
  • Estimated Cost to Fix: $0 (software update) - $1,000+ (replacement)
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Some owners have reported the battery draining unexpectedly, especially when the vehicle is not in use.
  • Solution: A parasitic draw test can identify the source of the drain. Potential causes include faulty modules, aftermarket accessories, or a failing battery.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Seat Heater Malfunction
  • Description/Symptoms: The seat heaters may fail to function properly, either not heating at all or overheating.
  • Solution: Replacement of the seat heater element or control module.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Summary

The 2020 Chevrolet Impala generally offers a reliable and comfortable driving experience, but some potential issues should be considered. The most concerning issues revolve around the 3.6L V6 engine, particularly excessive oil consumption and potential timing chain problems, which can lead to costly repairs. Electrical issues with the infotainment system and battery drain are also worth noting. While not all vehicles will experience these problems, being aware of them can help potential buyers make an informed decision and inspect the car carefully. The severity of the issues can range from minor inconveniences to major mechanical failures, with repair costs ranging from a few hundred to several thousand dollars.