Owners have filed 10 complaints
about the 2025 Cadillac CT5 with NHTSA between 2024 and 2026.
The largest single group is the engine & cooling.
Across this model's run it ranks 5 of 6 worst.
The letter says how bad. This says what kind — whether this year drew
an unusual number of complaints, unusually dangerous
ones, or failures that arrived unusually early.
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 22
Against the median year of the Cadillac CT5. 50 means typical for this
model; 100 means roughly double.
Severity — 0
0% of these complaints
involved a crash, fire, injury or death, against a national rate of
9.7%.
Early failure — not reported
Too few complaints recorded a mileage to measure this.
Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade:
A
B
C
D
F
ungraded
What breaks on a 2025 Cadillac CT5
Every complaint is filed against a part. Follow any row for the complaints about that part alone.
Other & Unspecified
220.0%
Driver Assist & Collision Avoidance
220.0%
Engine & Cooling
220.0%
Windows, Mirrors & Wipers
110.0%
Acceleration & Cruise Control
110.0%
Brakes
110.0%
Electrical System
110.0%
When owners complained
A spike years after the car went on sale usually means a part wearing
out on schedule across the whole fleet — the kind of pattern no single
owner can see from inside their own car.
Sep 2024peak 3Jan 2026
The most recent complaints
In the owners' own words, exactly as filed with NHTSA.
Palermo, CA
SERVICE BRAKES
I put up a rubber stop to test the emergency stop feature the car is equipped with. With car moving either forward in drive or backwards in reverse the car would not automatically stop before hitting this two foot high aid. A warning vibration is felt just before the car struck the device but the way I understand it in the owners manual the car should come to a complete emergency stop. This could endanger anyone or anything that the driver did not see while moving the car, i.e., a child on a tricycle for example.
NHTSA complaint #11713127 — an unverified report by a vehicle owner.
I put up a rubber stop to test the emergency stop feature the car is equipped with. With car moving either forward in drive or backwards in reverse the car would not automatically stop before hitting this two foot high aid. A warning vibration is felt just before the car struck the device but the way I understand it in the owners manual the car should come to a complete emergency stop. This could endanger anyone or anything that the driver did not see while moving the car, i.e., a child on a tricycle for example.
NHTSA complaint #11713127 — an unverified report by a vehicle owner.
Ligonier, PA
ENGINE
Rough idle, reduced acceleration, engine failure requires engine/motor to be replaced. Only 4300 miles on car. Purchase date 6/21/2025. Failure10/25/2025.
NHTSA complaint #11697126 — an unverified report by a vehicle owner.
Columbus, OH
VISIBILITY/WIPER
I went to test drive this car on Saturday 9/27, and noticed that the rear view mirror--the actual mirror, not the video screen inside it--was vibrating/shaking immensely as I drove it. I told them I'd buy the car, but they have to fix the mirror. Tuesday 9/30 I bought the car, with the assurance that the mirror had been fixed. Apparently there's a screw that was loose. Upon leaving the dealership, I discovered that the shaking/vibrating hadn't gone away--it was merely diminished. I took the car back. We discovered another identical model and year of the car on the lot, and it exhibited the exact same problems. Initially the same screw was loose, but after fixing it that mirror also gave the same shaking/vibrating. We determined that this looks like an overall problem with this model and year, at the least, and the dealership didn't know what to do. I declined the car. This is a serious issue with rear visibility. The rear view mirror is almost unusable, and it's almost illness-inducing to see in action.
NHTSA complaint #11690654 — an unverified report by a vehicle owner.
new York, NY
ENGINE
I just bought a new car 5 days ago, and after running 378 miles, it started to pull the cylinder. The after-sales service is still delaying the time. I don't know what to do, and Cadillac still doesn't give me a mobility scooter.
NHTSA complaint #11640259 — an unverified report by a vehicle owner.
Henniker, NH
VEHICLE SPEED CONTROL
This new 2025 Cadillac CT5 displays incorrect posted speed limits on Rte. 114 Flanders Rd, Gulf Rd, Bear hill Rd , .Ryan Rd, in Henniker NH. speed of 55mph which is incorrect to legal posted speed limits being much slower. This vehicle also shows roads that have no posted speed limit sign of 55 mph, which should be for safety reason(--) Can we have these roads updated to display the correct posted speed limits from the third party supplier /google.
NHTSA complaint #11621061 — an unverified report by a vehicle owner.
Henniker, NH
ELECTRICAL SYSTEM
This new 2025 Cadillac CT5 displays incorrect posted speed limits on Rte. 114 Flanders Rd, Gulf Rd, Bear hill Rd , .Ryan Rd, in Henniker NH. speed of 55mph which is incorrect to legal posted speed limits being much slower. This vehicle also shows roads that have no posted speed limit sign of 55 mph, which should be for safety reason(--) Can we have these roads updated to display the correct posted speed limits from the third party supplier /google.
NHTSA complaint #11621061 — an unverified report by a vehicle owner.
Henniker, NH
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
This new 2025 Cadillac CT5 displays incorrect posted speed limits on Rte. 114 Flanders Rd, Gulf Rd, Bear hill Rd , .Ryan Rd, in Henniker NH. speed of 55mph which is incorrect to legal posted speed limits being much slower. This vehicle also shows roads that have no posted speed limit sign of 55 mph, which should be for safety reason(--) Can we have these roads updated to display the correct posted speed limits from the third party supplier /google.
NHTSA complaint #11621061 — an unverified report by a vehicle owner.
Henniker, NH
UNKNOWN OR OTHER
Vehicle reads 55 mph on all non posted speed limit roads instead just dashes. Defiantly a safety issue...
NHTSA complaint #11614372 — an unverified report by a vehicle owner.
Concord, NH
UNKNOWN OR OTHER
This vehicle VIN has a feature called Traffic Sign Assistant, which will provide a readout of the legal posted speed limit for the road being traveled. That information is being provided by a third party source being google maps, the internet is showing increased concerns of this such as below links demonstrate from other consumer drivers using google maps displaying incorrect speed limits on highways or back roads with no resolution. [XXX] [XXX] We also tested another vehicle in a known problem area which is near [XXX] [XXX] in Nashua NH ,the legal posted speed is 55mph and google maps displays 65 mph while waze app displays correct legal speed of 55mph. We drove with the flow of traffic, seeing other people using phones and mapping on this route. Customer states ,Back roads in town of Henniker NH with posted speeds of 25-35 mph on [XXX] or [XXX] or [XXX] near [XXX] in Concord NH display in the car of 55mph. This is an Unsafe condition as watching the flow of traffic in Nashua NH moves at 70 MPH or more since google mapping is saying 65mph with posted legal speed of 55 mph confirmed 55 speed limit is correct from troop G NHSP [XXX] Department of Safety. If google mapping cant display a correct legal speed limit on a highway or back road, they should display either (--) or nothing at all in vehicles , especially if the vehicle has any type of auto speed control being controlled from this source. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA complaint #11614207 — an unverified report by a vehicle owner.