BestCarRank
Cadillac

2016 Cadillac CT6

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2016 Cadillac CT6 has 15 owner complaints filed with NHTSA — that's 0.9x the segment average of 16. The most common issue is transmission problems (40% of all complaints), specifically: 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 struck from behind. high. There are 3 recalls issued for this model year.

5 crash reports 2 injuries

15

Total Complaints

3

Recalls Issued

/5

Safety Stars

0.9x

vs Segment Avg

Known Problems(top 5 of 7)

TRANSMISSION

6 complaints
40%
  • 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 STRUCK FROM BEHIND. HIGH
  • Vehicle has sudden violent forward Jerking motion at stops, delayed performance when accelerating ,hard shifting when changing gears, clunking noise when shifting into low gear
  • Approximately in November 2022, I was driving my 2016 Cadillac CT6. While operating at a normal speed of 40 mph, while in traffic the vehicle began to hesitate and a loss of power. The vehicle was towed to Waldorf Cadillac & Chevrolet. The vehicle was diagnosed with a transfer case issue. The ve
Typical onset: 50K miles Est. repair: $500

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 STRUCK FROM BEHIND. HIGH

— NHTSA complaint filing

Recalls (3)

SEATS:MID/REAR ASSEMBLY28/06/2018

General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CT6 vehicles. The inboard child seat anchorage bars may have had excess structural adhesive applied during assembly, which can interfere with the installation of a child seat. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 225, "Child Restraint Anchorage Systems."

Risk: If the child seat cannot be attached correctly to the anchorage bar, there is an increased the risk of injury.

Fix: GM will notify owners, and dealers will inspect, remove any excess adhesive, and apply anti-corrosion primer to the inboard child seat anchorage bars, free of charge. The recall began August 3, 2018. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 18228.

Fuel Cost Calculator for 2016 Cadillac CT6

Live EIA prices
Per year
$1,920
Per month
$160
Per mile
16.0¢
MPG
25
City driving (worst-case MPG)
$2,182/yr
Highway driving (best-case MPG)
$1,600/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today
Current
$4.00
5-year low
$2.78
5-year high
$5.01
Since 2021
+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2016 Cadillac CT6

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.
Full coverage / year
$1,971
Full coverage / month
$164
Liability only / year
$710
vs US avg
+18%
How this estimate is calculated
US base full-coverage premium$1674
× state (US)1.00x
× vehicle class (sedan-luxury)1.28x
× theft risk1.00x
× safety rating1.00x
× vehicle age0.92x
= Full coverage estimate$1971

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Cadillac New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)
4 yr / 50K mi
Powertrain
6 yr / 70K mi
Hybrid/EV battery
8 yr / 100K mi
Corrosion (rust perforation)
6 yr / 100K mi
Roadside assistance
6 yr / 70K mi

These are the terms for a new Cadillac. If you're buying a used 2016 CT6, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Cadillac dealer for VIN-specific remaining warranty.

Estimated Repair Costs

TRANSMISSION(~50K mi)
$500
OTHER(~50K mi)
$500
ENGINE(~50K mi)
$500
AIR BAGS(~50K mi)
$500
SUSPENSION(~50K mi)
$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 15 owner complaints for this specific year, here's what to check or ask about:

  • TRANSMISSION: 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 STRUCK FROM BEHIND. HIGH

    Typically appears around 50K miles. Repair cost ~$500

  • OTHER: THIS CAR HAS SAFETY ISSUES. I PURCHASED A YEAR AGO. THE AXLE AND WHEEL BROKE OFF IN ON THE CAR WITHIN 30 DAYS. THE CAR HAS HUGE MANUFACTURER BREAKDOWN. IT WOULDN'T START DIDN'T CARE WHAT GEAR IT WAS IN IT WAS ROLLING AND ALMOST RAN OVER MY FRIEND AND RAN OFF INTO A DITCH. I HAVE HAD SEVERAL ACCIDENT

    Typically appears around 50K miles. Repair cost ~$500

  • 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.

    Typically appears around 50K miles. Repair cost ~$500

  • AIR BAGS: VEHICLE INVOLVED IN A SEVERE ACCIDENT, AIRBAGS DID NOT DEPLOY. THE VEHICLE WAS IN MOTION ON A HWY. VEHICLE WAS STRUCK BY ONCOMING TRAFFIC AND THEN LAUNCHED INTO A DITCH. NONE OF THE AIRBAGS DEPLOYED DURING THE INCIDENT.

    Typically appears around 50K miles. Repair cost ~$500

  • RECALLS: Verify all 3 recalls have been completed — free at any Cadillac dealer
  • General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

Cadillac CT6 — Year Comparison

How does 2016 compare to other years? Fewer complaints = more reliable.

Full years-to-avoid analysis →

NHTSA Safety Rating

No NHTSA safety rating available

At a Glance

Complaints
15
Recalls
3
Fire reports
0
Crash reports
5
Injury reports
2
Segment avg
16

Check a Specific VIN

See recalls for YOUR 2016 Cadillac CT6