ProblemsByVin File / 2016-CADILLAC-CT6 NHTSA data synced 4 days ago

2016 · Cadillac

Cadillac CT6 problems

Light NHTSA footprint — 11 owner complaints and 1 active recall campaign. Either a clean record or thin data; we'll show what's there.

Reliability score

8.6 / 10

Above-average reliability for the segment. Few systemic issues on file.

Critical

Severe

Moderate

Should you avoid this 2016 CT6?

Generally reliable

Buyable on the data — keep up the usual maintenance and inspect normally.

No systemic severe-failure pattern in the complaint record
Reliability score 8.6/10 — above the segment average
1 recall campaign on file

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.

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Top trouble spots 1 category with 3+ complaints

powertrain

6 reports · fails ~19,000 mi · avg $2,500

moderate

Buyer's checklist

Going to look at one? Use the pre-purchase inspection list.

Generated from this 2016 CT6's actual NHTSA complaint history — every item points at a documented failure pattern on this exact vehicle, not generic walkaround filler.

See the checklist ->

Honest Calculator

Should you buy an extended warranty on this 2016 CT6?

We pulled the math: risk-weighted exposure, typical contract cost, and our verdict on whether coverage pencils out for this specific vehicle.

See the calculator ->

What owners are saying recent NHTSA-filed complaints · verbatim

2016 CT6 · powertrain

Car will not respond for at least 2 seconds during a slow, rolling stop, when trying to accelerate again. Unable to perform evasive manuever, if needed, secondary to the delay to accelerator input. Harsh 2-1 downshifts also at slow speeds and can even feel as though you were…

11/01/2018 · NHTSA ODI #11144689.0 · see powertrain pattern →

2016 CT6 · airbags Crash

The contact's husband owned a 2016 Cadillac CT6. The contact stated that while her husband was making a left turn, the vehicle was struck on the front passenger side by another vehicle. The contact stated that her husbands air bag did not deploy. Medical attention was needed,…

10/20/2025 · NHTSA ODI #11694492.0

2016 CT6 · engine

When I am turning under 25 MPH, I accelerate and there is a delay and a drag before the vehicle starts to accelerate. If I do not allow room, I could get hit because there is a delay. Very dangerous. Almost feels like a vacuum issue.

08/25/2020 · at 16,500 mi · NHTSA ODI #11351240.0

2016 CT6 · engine

The turbo boost failed cylinder 2 ( after being repaired ) continues to show issues

08/08/2025 · NHTSA ODI #11679344.0

View all 11 owner complaints →

Had a problem with your 2016 Cadillac CT6? File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.

Estimate your repair exposure

Drag to your current mileage. Numbers are derived from this vehicle's complaint history.

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At 80,000 miles

Likely repair cost in next 24 months

Active recalls showing 1 of 1

severe NHTSA 16V687000 September 23, 2016

General Motors LLC (GM) is recalling certain model year 2016 Cadillac CT6 vehicles manufactured July 21, 2016, to July 22, 2016

If the seat belt webbing detaches from the seat anchor, the seat belt may not properly restrain the front seat passenger in the event of a crash, increasing the risk of injury.

Fix: GM will notify owners, and dealers will replace the existing front passenger seat belt webbing anchor bolt, or install a bolt if it is missing, free of charge. The recall began on September 24, 2016. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 16035. Note: Owners are advised not to allow an occupant to sit in the front passenger seat until the recall remedy has been performed.

Common questions

Is the 2016 Cadillac CT6 reliable?

Mostly yes. With a reliability score of 8.6 out of 10 based on 11 owner complaints filed with NHTSA, the 2016 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.

Should you avoid the 2016 Cadillac CT6?

On the NHTSA data, the 2016 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 8.6/10 — above the segment average; 1 recall campaign on file. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.

What's the most common problem on the 2016 Cadillac CT6?

Based on NHTSA records, the most-reported issue is powertrain, with 6 complaints filed. Typical failure occurs around 19,000 miles. Average repair cost runs about $2,500 at an independent shop.

What's the most expensive thing that goes wrong?

The powertrain is one of the costlier repair items. Average repair cost runs about $2,500 at an independent shop. Typical failure occurs around 19,000 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Cadillac CT6 has open recalls?

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.

Is an extended warranty worth it on a 2016 Cadillac CT6?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 11 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.

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 4 days ago. Verify the raw federal record at nhtsa.gov/vehicle/2016/Cadillac/CT6. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with Cadillac. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.