2020 Buick ENCLAVE

Problems, Recalls & Reliability Report

Average

Quick Summary

The 2020 Buick ENCLAVE has 68 owner complaints filed with NHTSA — that's 0.8x the segment average of 80. The most common issue is engine problems (24% of all complaints), specifically: the mounting bracket on the front exhaust pipe separates from the pipe. this issue has been identified on 2019 and 2021 models and special coverage adjustment n212356540 front exhaust pipe has been issued. the same exact defect has occured to my 2020 model enclave..

3 crash reports 2 injuries

Total Complaints

Recalls Issued

—/5

Safety Stars

0.8x

vs Segment Avg

Known Problems

ENGINE

16 complaints

24%

• The mounting bracket on the front exhaust pipe separates from the pipe. This issue has been identified on 2019 and 2021 models and special coverage adjustment N212356540 Front Exhaust Pipe has been issued. The same exact defect has occured to my 2020 model Enclave.
• The vehicle's exhaust intermediate pipe mount has broken has caused damage in the intermediate pipe requiring both the be replaced. The cracked exhaust allows exhaust fumes to enter the passenger compartment. A recall (N222385510) for 2021 Chevrolet Traverse has been made however is addressing thi
• 2020 Buick Enclave mounting bracket separated from the front exhaust pipe which caused a hole to appear in the exhaust pipe. This is a known issue for 2019, 2021, and 2022 Buick Enclaves. No warning light The exhaust fumes along with Carbon Monoxide were coming through my ac vents for several mont

Typical onset: 50K miles Est. repair: $500

“The mounting bracket on the front exhaust pipe separates from the pipe. This issue has been identified on 2019 and 2021 models and special coverage adjustment N212356540 Front Exhaust Pipe has been issued. The same exact defect has occured to my 2020 model Enclave.”

— NHTSA complaint filing

OTHER

11 complaints

16%

• REAR SUNSHADE CLIP HAS BROKEN TWICE IN THE 5 MONTHS.
• While driving my car in normal weather/temperature conditions, the driver side sunroof literally exploded. There was a very loud bang, like someone fired a gun next to my head, and initially I thought someone had shot out one of my car windows with a gun. Upon seeing it was the sunroof I then though
• The rear liftgate locking mechanism failed to latch causing cargo to exit the vehicle where the car behind this car smashed into the cargo causing an accident. For whatever reason the rear door will not lock at all. The fuse was perfectly fine, appears the actuator is defective. No warning was give

Typical onset: 50K miles Est. repair: $500💥 1 crashes

“REAR SUNSHADE CLIP HAS BROKEN TWICE IN THE 5 MONTHS.”

— NHTSA complaint filing

ELECTRICAL

9 complaints

13%

• OnStar system and WiFi intermittently do not work, was told that this is a known issue when radio is being used, no fix. In my case radio was not being used, so this does not apply. Seat/mirror position memory gradually changes over time. Does not recognize that exit function has been turned off.
• The rear liftgate locking mechanism failed to latch causing cargo to exit the vehicle where the car behind this car smashed into the cargo causing an accident. For whatever reason the rear door will not lock at all. The fuse was perfectly fine, appears the actuator is defective. No warning was give
• The contact owns a 2020 Buick Enclave. The contact stated that on several occasions, the electrical system malfunctioned. The contact stated that the hazard lights inadvertently illuminated, the horn inadvertently honked, and the tire sensor warning light illuminated. The vehicle was taken to the de

Typical onset: 50K miles Est. repair: $500💥 1 crashes

“OnStar system and WiFi intermittently do not work, was told that this is a known issue when radio is being used, no fix. In my case radio was not being used, so this does not apply. Seat/mirror position memory gradually changes over time. Does not recognize that exit function has been turned off. ”

— NHTSA complaint filing

TRANSMISSION

8 complaints

12%

• I BOUGHT A 2020 BUICK ENCLAVE, (OWNED BY GMC) WITH 6 MILES ON IT, 1 WEEK AGO. YESTERDAY THE CHECK ENGINE LIGHT CAME ON AND THE CAR STARTED JERKING ANYTIME THE TRANSMISSION SWITCHED GEARS. I CALLED TO TRY TO GET IT IN TO A CERTIFIED BUICK DEALERSHIP TO BE LOOKED AT AND NOWHERE CAN GET IT IN FOR 3-5 D
• BOUGHT BRAND NEW 2020 BUICK ENCLAVE, WITH 4 MILES ON IT, ON 6/13/20. STARTED HAVING TRANSMISSION PROBLEMS ALMOST IMMEDIATELY. THE CAR WOULD JERK HARD (HARD SHIFT) WHEN PUSHING ON THE GAS AND ALSO ANYTIME IT WAS PLACED IN PARK. ON 6/21/20 THE CHECK ENGINE LIGHT CAME ON AND THE VEHICLE WOULD BARELY S
• VEHICLE JERKS AT LOW SPEEDS WHEN ACCELERATING. BRAKES GRIND WHEN APPLIED AT HARD BRAKING OR REGULAR BRAKING.

Typical onset: 50K miles Est. repair: $500💥 1 crashes

“I BOUGHT A 2020 BUICK ENCLAVE, (OWNED BY GMC) WITH 6 MILES ON IT, 1 WEEK AGO. YESTERDAY THE CHECK ENGINE LIGHT CAME ON AND THE CAR STARTED JERKING ANYTIME THE TRANSMISSION SWITCHED GEARS. I CALLED TO TRY TO GET IT IN TO A CERTIFIED BUICK DEALERSHIP TO BE LOOKED AT AND NOWHERE CAN GET IT IN FOR 3-5 D”

— NHTSA complaint filing

FUEL SYSTEM

7 complaints

10%

• TL* THE CONTACT OWNS A 2020 BUICK ENCLAVE. THE CONTACT STATED THAT WHILE DRIVING DOWNHILL AT APPROXIMATELY 75 MPH, THE VEHICLE DECELERATED TO APPROXIMATELY 20 MPH WITH 'CAN NOT SHIFT IN THIS POSITION' MESSAGE DISPLAYED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TOWED TO SOMERSET BUICK LOCATED AT 1850
• After filling up fuel, vehicle runs rough, hesitates, and stalls at idle speeds. This occurs after every fill up. The check engine light comes on and states an issue with the anti-lock brake system. I’ve had the vehicle checked by Buick 5 times and they have not been able to replicate the issue,
• Vehicle would not go into park fortunately we were in a safe location to avoid a possible accident or injury. The vehicle has electronic transmission shifting. According to the dealership the park solenoid in the transmission valve body failed. This prevented us from putting the vehicle in park so

Typical onset: 50K miles Est. repair: $500

“TL* THE CONTACT OWNS A 2020 BUICK ENCLAVE. THE CONTACT STATED THAT WHILE DRIVING DOWNHILL AT APPROXIMATELY 75 MPH, THE VEHICLE DECELERATED TO APPROXIMATELY 20 MPH WITH 'CAN NOT SHIFT IN THIS POSITION' MESSAGE DISPLAYED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TOWED TO SOMERSET BUICK LOCATED AT 1850 ”

— NHTSA complaint filing

Estimated Repair Costs

ENGINE(~50K mi)

$500

OTHER(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

FUEL SYSTEM(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 68 owner complaints for this specific year, here's what to check or ask about:

☐
ENGINE: The mounting bracket on the front exhaust pipe separates from the pipe. This issue has been identified on 2019 and 2021 models and special coverage adjustment N212356540 Front Exhaust Pipe has been issued. The same exact defect has occured to my 2020 model Enclave.
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: REAR SUNSHADE CLIP HAS BROKEN TWICE IN THE 5 MONTHS.
Typically appears around 50K miles. Repair cost ~$500
☐
ELECTRICAL: OnStar system and WiFi intermittently do not work, was told that this is a known issue when radio is being used, no fix. In my case radio was not being used, so this does not apply. Seat/mirror position memory gradually changes over time. Does not recognize that exit function has been turned off.
Typically appears around 50K miles. Repair cost ~$500
☐
TRANSMISSION: I BOUGHT A 2020 BUICK ENCLAVE, (OWNED BY GMC) WITH 6 MILES ON IT, 1 WEEK AGO. YESTERDAY THE CHECK ENGINE LIGHT CAME ON AND THE CAR STARTED JERKING ANYTIME THE TRANSMISSION SWITCHED GEARS. I CALLED TO TRY TO GET IT IN TO A CERTIFIED BUICK DEALERSHIP TO BE LOOKED AT AND NOWHERE CAN GET IT IN FOR 3-5 D
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)