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2021 Buick Enclave

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By Research the Car 4 min read

Here is a comprehensive list of issues and complaints related to the 2021 Buick Enclave, categorized by component, engine, and transmission options.

The 2021 Buick Enclave is a mid-size SUV known for its spacious interior, comfortable ride, and upscale features. It is generally liked for its quiet cabin, smooth ride, and ample cargo space. Some common complaints include its large size making it harder to park, some outdated interior elements, and the higher price point compared to some competitors. The 2021 Buick Enclave comes standard with a 3.6L V6 engine producing 310 horsepower and 266 lb-ft of torque, paired with a 9-speed automatic transmission. There are no other engine or transmission options available for this model year.

Engine

3.6L V6

  • Excessive Oil Consumption
    • Description/Symptoms: Some owners have reported higher than normal oil consumption, requiring frequent oil top-offs between scheduled oil changes. Symptoms can include the low oil pressure light illuminating or the engine running rough.
    • Solution: The fix may involve replacing the PCV valve, valve seals, or piston rings, depending on the root cause of the oil consumption.
    • Estimated Cost to Fix: $200 - $2,000+ depending on the cause and extent of the repair.
    • Recalls: None Found
  • Engine Misfires
    • Description/Symptoms: Some owners have reported engine misfires. Misfires can result in rough idling, decreased fuel economy, and the check engine light illuminating.
    • Solution: Diagnosis will be needed to pinpoint the source of the misfire, but this could be a failed ignition coil, faulty spark plug, or a fuel injector issue.
    • Estimated Cost to Fix: $100 - $500+ depending on the source of the misfire.
    • Recalls: None Found

Transmission

9-Speed Automatic

  • Harsh Shifting/Hesitation
    • Description/Symptoms: Some owners have reported experiencing harsh or erratic shifting, particularly between certain gears. Hesitation when accelerating may also be present.
    • Solution: In some cases, a software update of the transmission control module (TCM) may resolve the issue. In other cases, repair or replacement of valve bodies or solenoids may be necessary.
    • Estimated Cost to Fix: $100 (for software update) - $1,500+ (for valve body/solenoid replacement).
    • Recalls: None Found
  • Delayed Engagement
    • Description/Symptoms: Reports of delayed engagement when shifting into drive or reverse.
    • Solution: Could be related to low transmission fluid, faulty valve body, or internal transmission damage. Requires diagnosis. In some cases, replacement of the transmission is necessary.
    • Estimated Cost to Fix: $100 (for fluid top off/flush) - $4,000+ (for transmission replacement).
    • Recalls: None Found

Suspension

  • Premature Wear of Suspension Components
    • Description/Symptoms: Some owners have reported premature wear of suspension components like struts, shocks, and bushings, leading to a rough ride, clunking noises, and poor handling.
    • Solution: Replacement of worn suspension components. It is recommended to replace in pairs for consistent handling.
    • Estimated Cost to Fix: $300 - $1,000+ depending on the specific component and labor rates.
    • Recalls: None Found

Electrical

  • Infotainment System Issues
    • Description/Symptoms: Glitches, freezing, slow response times, and connectivity problems with the infotainment system. May include issues with Apple CarPlay or Android Auto.
    • Solution: Software updates may resolve some issues. In some cases, replacement of the infotainment unit may be necessary.
    • Estimated Cost to Fix: $0 (for software update) - $1,000+ (for unit replacement).
    • Recalls: None Found
  • Battery Drain
    • Description/Symptoms: Some owners have experienced issues with the battery draining prematurely, particularly if the vehicle is not driven regularly.
    • Solution: Diagnosis to identify the source of the parasitic drain. Replacement of the battery.
    • Estimated Cost to Fix: $100 - $300+ depending on the source of the drain and battery replacement.
    • Recalls: None Found

Exterior

  • Rear Liftgate Malfunction
    • Description/Symptoms: Issues with the power liftgate failing to open or close properly. Could be related to the motor, sensors, or hinges.
    • Solution: Repair or replacement of the liftgate motor, sensors, or hinges.
    • Estimated Cost to Fix: $200 - $800+ depending on the specific issue.
    • Recalls: None Found

Interior

  • Climate Control Issues
    • Description/Symptoms: Issues with the climate control system not blowing hot or cold air, inconsistent temperatures, or failure of the rear climate control.
    • Solution: Diagnosis and repair of the climate control system components, such as the compressor, blower motor, or blend door actuator.
    • Estimated Cost to Fix: $200 - $1,000+ depending on the specific issue.
    • Recalls: None Found

Summary

The 2021 Buick Enclave has a few reported issues, the most concerning being potential engine issues such as oil consumption and misfires, and transmission problems like harsh shifting. Electrical issues with the infotainment system are also relatively common. Suspension component wear and liftgate malfunctions can also occur. The severity of these issues ranges from minor inconveniences to potentially costly repairs, with costs varying significantly depending on the underlying cause and the extent of the damage.

Buick, Enclave
Buick Enclave 2021
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