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Light NHTSA footprint — 26 owner complaints and 2 active recall campaigns. Either a clean record or thin data; we'll show what's there.
The 2017 Cadillac CT6 has 26 NHTSA owner complaints and 2 recalls on file (U.S. federal records, as of August 2026). The most-reported system is powertrain at 16 complaints, typically surfacing around 22,235 miles (~$2,500 to repair). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2016 CT6 | 11 | 3 |
| 2017 CT6 (this page) | 26 | 2 |
| 2018 CT6 | 10 | 2 |
| 2019 CT6 | 16 | 4 |
| 2020 CT6 | 11 | 2 |
Solid reliability overall. Common issues are concentrated in a few systems.
Buyable on the data — keep up the usual maintenance and inspect normally.
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Here's what this model is known to do — so you can inspect for it, price it in, or make the seller fix it before you sign.
Run the VIN from the listing — 2 active recalls on this model. Recall repairs are always free.
Verdict for buyers: 8.0/10 model. The priciest documented failure is powertrain (~$2,500) — get the seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report tells you what this exact car has been through. Smart buyers get both.
See the full pre-purchase inspection checklist →A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in this vehicle's actual NHTSA record, not generic advice.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
Tl* the contact owns a 2017 Cadillac ct6. Due to the changes in the weather, the rear window had a marbleized haze cover, which made visibility out of the window extremely difficult. The vehicle was taken to schooley Cadillac (2101 45th st, west palm beach, fl), but the cause of…
These vehicles have an issue tbat GM is aware of, with their 8 speed automatic transmissions which are used in multiple GM vehicles and these cause safety issues because for instance my vehicle switches gears randomly almost causing a wreck, and shuttering, and even slipping and…
Tl* the contact owns a 2017 Cadillac ct6. When the vehicle was started, it lurched forward without warning. The failure occurred intermittently. The vehicle was taken to gold coast Cadillac (732-709-2168, located at 2123 state route 35, oakhurst, nj 07755), but the cause of the…
I was driving the vehicle heading to the interstate, and my speed was about 15 MPH, as I merge onto the highway and accelerated I felt the transmission shudder, and lag with a humming noise. It felt like the transmission mission was slipping and shaking with no acceleration…
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
The excessive brightness may affect the vision of other drivers, increasing the risk of a crash.
If the child seat cannot be attached correctly to the anchorage bar, there is an increased the risk of injury.
Mostly yes. With a reliability score of 8.0 out of 10 based on 26 owner complaints filed with NHTSA, the 2017 Cadillac CT6 is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
On the NHTSA data, the 2017 Cadillac CT6 does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 8.0/10 — above the segment average; 2 recall campaigns on file. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
Inspect the powertrain first — it's the most-reported issue on this model, with 16 owner complaints filed. Typical failure occurs around 22,235 miles. Average repair cost runs about $2,500 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
It scores 8.0 out of 10 on our NHTSA-based read of 26 owner complaints. The main thing to watch is powertrain. Typical failure occurs around 22,235 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
Based on NHTSA records, the most-reported issue is powertrain, with 16 complaints filed. Typical failure occurs around 22,235 miles. Average repair cost runs about $2,500 at an independent shop.
The powertrain is one of the costlier repair items. Average repair cost runs about $2,500 at an independent shop. Typical failure occurs around 22,235 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 26 complaints on file and the costliest repair averaging $2,500, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.