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Engine & cooling

2020 Cadillac XT4 Engine problems

Owners have filed 4 complaints about the 2020 Cadillac XT4's engine & cooling with NHTSA - 22% of all its complaints, most recently on November 25, 2025. They describe 0 crashes, 1 fire and 0 injuries. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Complaints
4
Recalls
0
Crashes
0
Fires
1
Injuries
0
Deaths
0

Engine complaints

Fuel systemEngine & cooling

The contact owns a 2020 Cadillac XT4. The contact stated that upon starting the vehicle, the check engine warning light illuminated. The vehicle was taken to Auto Zone, where it was diagnosed and determined that the EVAP pump (Evaporative Emissions System) was leaking. The vehicle was not taken to the dealer or to an independent mechanic. The vehicle was not repaired. Additionally, the contact noticed that the fuel mileage of the vehicle was fluctuating. The contact stated that the vehicle made an abnormal...

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sputtering sound and delayed starting while pressing the Push to Start button. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was 56,400.

Filed Incident Fuel system, gasoline · EngineNHTSA 11701521
BrakesWheels & tiresEngine & cooling

The contact owns a 2020 Cadillac XT4. The contact stated while driving 30 MPH and depressing the brake pedal, the vehicle failed to respond as needed. Several unknown warning lights were illuminated on the instrument panel. The contact stated that after purchasing the vehicle, the vehicle started shaking abnormally while driving. The contact pulled over the right side of the road and turned off the vehicle. The contact was able to restart the vehicle after several minutes. The contact was that while at the...

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residence the vehicle was turned off and failed to restart. The vehicle was taken to Pep Boy and upon inspecting the vehicle the technician noticed oil was leaking from the brake master cylinder, the rear struts, and the shocks. The local dealer was contacted; however, the contact was informed that there were no recalls on the VIN for the failures. The contact stated that the failure persisted. The vehicle was towed to the dealer to be diagnosed and the contact was informed that the battery needed to be replaced and that the tire pressure was low. The vehicle was not repaired. The manufacturer was notified of the failure and opened a case. The approximate failure mileage was 83,376.

Filed Incident Service brakes, hydraulic · Tires · EngineNHTSA 11648185
SteeringEngine & cooling

The wiring in the Cadillac is soy based and squirrels have ate the wires out of my engine three times. It makes the steering compromised and unsafe. The warning comes up drive with caution steering compromised. Not exact but you get the jest

Filed Incident Steering · EngineNHTSA 11449569
Engine & coolingFire

Cadilliac 2019 xt4 white in color brand new tires and rims ..Engine blew up while traveling to a party with my girlfriends outta town. It was really bad...But we still had a great time. We had it towed at no expense by a guy we met while on the interstate he helped us to safety and towed the broken cadillac to a repair shop for repair however the repair guy said it was unrepairable due to the damages that occurred. So I left it there outta town and we flew back home. So now I'm out a vehicle and the repair...

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shop's phone number is in disconnect and has no website. Can you please help me get my new cadillac back...It was the car I always wanted and now it's disappeared somewhere. No police report was done because the town had no police department listed in that town so we just got screwed over big time. Please help I now have no vehicle.*Dt*jb

Filed Incident EngineNHTSA 11377981

Cadillac XT4 engine complaints by year

XT4 engine problems, every year

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data

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