2020 Gmc YUKON

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2020 Gmc YUKON has 35 owner complaints filed with NHTSA — that's 0.4x the segment average of 80. The most common issue is transmission problems (31% of all complaints), specifically: the transmission is out. prior to it going out, i experienced loss of power, gear slipping, shuttering and not being able to go among other things. this is very dangerous and can cause serious accidents to occur. this should not be happening on such an expensive and newer vehicle..

Total Complaints

Recalls Issued

—/5

Safety Stars

0.4x

vs Segment Avg

Known Problems

TRANSMISSION

11 complaints

31%

• The transmission is out. Prior to it going out, I experienced loss of power, gear slipping, shuttering and not being able to go among other things. This is very dangerous and can cause serious accidents to occur. This should not be happening on such an expensive and newer vehicle.
• Transmission slipping and damage
• 2020 GMC Yukon transmission failed at 103.000 miles

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

“The transmission is out. Prior to it going out, I experienced loss of power, gear slipping, shuttering and not being able to go among other things. This is very dangerous and can cause serious accidents to occur. This should not be happening on such an expensive and newer vehicle.”

— NHTSA complaint filing

ENGINE

11 complaints

31%

• While driving to Lake Placid, NY, I experienced sudden loss of propulsion as I was driving approximately 60 mph. I was able to brake and pull over to the shoulder. I was not able to restart the vehicle - engine was dead. We were flat bed towed to a garage in Lake Placid where it was confirmed that t
• My vehicle went from driving perfectly to startling and not going pass 45 in a matter of two days. I was getting all maintenance done at dealer always on time had just service it. When all of a sudden it started making a jerking/ skipping feel as if I was accelerating too hard. Took it to get check
• We purchased the vehicle used in April 2025 with 79,851 miles. All service records were documented via Carfax. Vehicle was in impeccable condition. We drove it for approx. 8,000 miles until July 10, 2025, when a loud knocking sound started coming from the engine - approx. mileage 87,600. We drove th

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

“While driving to Lake Placid, NY, I experienced sudden loss of propulsion as I was driving approximately 60 mph. I was able to brake and pull over to the shoulder. I was not able to restart the vehicle - engine was dead. We were flat bed towed to a garage in Lake Placid where it was confirmed that t”

— NHTSA complaint filing

OTHER

3 complaints

• Hello, I’m calling about the GM transmission recall recently announced in March 2025 affecting 2020 Yukon vehicles. My Yukon experienced what I believe is the exact same issue described in the recall. Our vehicle lost forward gears and almost caused a crash. A certified mechanic confirmed the trans
• My vehicle went from driving perfectly to startling and not going pass 45 in a matter of two days. I was getting all maintenance done at dealer always on time had just service it. When all of a sudden it started making a jerking/ skipping feel as if I was accelerating too hard. Took it to get check
• My vehicle torque converter repair on my 2020 GMC Yukon is shuddering. Why is this not a recall when there are various Yukons that are experiencing shuddering related to torque converter repair. This should be a recall. The problem has been confirmed by a GMC dealer. There were not warning lamps, n

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

“Hello, I’m calling about the GM transmission recall recently announced in March 2025 affecting 2020 Yukon vehicles. My Yukon experienced what I believe is the exact same issue described in the recall. Our vehicle lost forward gears and almost caused a crash. A certified mechanic confirmed the trans”

— NHTSA complaint filing

DRIVER ASSIST/CAMERAS

2 complaints

• TL* THE CONTACT OWNS A 2020 GMC YUKON. THE CONTACT STATED WHILE REVERSING, THE BACK OVER PREVENTION CAMERA WAS OBSTRUCTED AND THE CONTACT WAS UNABLE TO SEE A PROPER IMAGE WHILE THE VEHICLE WAS IN REVERSE. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE VEHICLE WAS TAKEN TO THE LOCAL DEALER
• I had an incident in my 2020 GMC Yukon, where the forward collision crash alert went off and there was total loss of brakes. The brake pedal went to the floor. After the crash alert ended, the brakes returned. This happened on the highway and could have turned into a disastrous event. The dealership

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

“TL* THE CONTACT OWNS A 2020 GMC YUKON. THE CONTACT STATED WHILE REVERSING, THE BACK OVER PREVENTION CAMERA WAS OBSTRUCTED AND THE CONTACT WAS UNABLE TO SEE A PROPER IMAGE WHILE THE VEHICLE WAS IN REVERSE. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE VEHICLE WAS TAKEN TO THE LOCAL DEALER ”

— NHTSA complaint filing

FUEL SYSTEM

2 complaints

• Transmission slipping and damage
• The contact owns a 2020 GMC Yukon. The contact stated that while refueling the vehicle, the fuel filler neck was not allowing fuel to flow into the tank. There were no warning lights illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the fuel filler neck. The contact was

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

“Transmission slipping and damage”

— NHTSA complaint filing

Estimated Repair Costs

TRANSMISSION(~50K mi)

$500

ENGINE(~50K mi)

$500

OTHER(~50K mi)

$500

DRIVER ASSIST/CAMERAS(~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 35 owner complaints for this specific year, here's what to check or ask about:

☐
TRANSMISSION: The transmission is out. Prior to it going out, I experienced loss of power, gear slipping, shuttering and not being able to go among other things. This is very dangerous and can cause serious accidents to occur. This should not be happening on such an expensive and newer vehicle.
Typically appears around 50K miles. Repair cost ~$500
☐
ENGINE: While driving to Lake Placid, NY, I experienced sudden loss of propulsion as I was driving approximately 60 mph. I was able to brake and pull over to the shoulder. I was not able to restart the vehicle - engine was dead. We were flat bed towed to a garage in Lake Placid where it was confirmed that t
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: Hello, I’m calling about the GM transmission recall recently announced in March 2025 affecting 2020 Yukon vehicles. My Yukon experienced what I believe is the exact same issue described in the recall. Our vehicle lost forward gears and almost caused a crash. A certified mechanic confirmed the trans
Typically appears around 50K miles. Repair cost ~$500
☐
DRIVER ASSIST/CAMERAS: TL* THE CONTACT OWNS A 2020 GMC YUKON. THE CONTACT STATED WHILE REVERSING, THE BACK OVER PREVENTION CAMERA WAS OBSTRUCTED AND THE CONTACT WAS UNABLE TO SEE A PROPER IMAGE WHILE THE VEHICLE WAS IN REVERSE. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE VEHICLE WAS TAKEN TO THE LOCAL DEALER
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)