2016 Cadillac CT6
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2016 Cadillac CT6 is worth — from official NHTSA and EPA data. 22 on record.
2016 Cadillac CT6 at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
2016 Cadillac CT6 recalls 3
General Motors, LLC (GM) is recalling certain 2016-2017 Cadillac CT6 vehicles. The Park/Position lights may be excessively bright. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Fix: Dealers will install right and left side in-line headlight jumper harnesses, free of charge. Owner notification letters were mailed November 3, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N162016079.
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."
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 1822…
General Motors LLC (GM) is recalling certain model year 2016 Cadillac CT6 vehicles manufactured July 21, 2016, to July 22, 2016. The bolt that connects the front passenger seat belt webbing to the seat's anchor plate may be missing. Without the bolt, the seat belt webbing may detach from the seat anchor.
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 1603…
Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
2016 Cadillac CT6 common problems
The most-reported problem areas across all 11 owner complaints filed with NHTSA — and what to check before you buy.
2016 Cadillac CT6 MPG & running costs
Source: U.S. EPA / DOE fueleconomy.gov.
Estimated 5-year cost to own
A rough guide to what running a 2016 Cadillac CT6 costs over five years and 75,000 miles.
How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
Dimensions & weight
Manufacturer-reported figures for the 2016 Cadillac CT6 — ranges cover the 5 body / drivetrain versions on record. Source: Transport Canada vehicle specifications via NHTSA.
Investigations & service bulletins
Manufacturer service bulletins 1373
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 1373.
This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
Bulletin PIT5698F · Sep 2026This PI communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering
Bulletin PIP5700H · Sep 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Bulletin PIP4902W · Sep 2026PI to help diagnose A/C concern
Bulletin PIT5099J · Jul 2026This preliminary information communicates information about how to determine if a wheel and tires size change is available.
Bulletin PIT3271Q · Apr 2026This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
Bulletin PIP6104 · Mar 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Bulletin PIP4902V · Mar 2026This PI communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering
Bulletin PIP5700G · Jan 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Bulletin PIP4902U · Jan 2026This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General M…
Bulletin PIT5214G · Nov 2025Source: NHTSA Office of Defects Investigation, listed for the CT6 FWD. Model-year data, not specific to one car.
Canadian recalls 1
Transport Canada recall campaigns for the 2016 Cadillac CT6. Relevant if the car was first sold in, or imported from, Canada.
Powertrain
Certain vehicles fail to comply with the requirements of Canada Motor Vehicle Safety Standard (CMVSS) 210.2 - Lower Universal Anchorage Systems for Restraint Systems and Booster Seats. A small amount of structural adhesive may have been inadvertently applied to the child seat anchorage bar during the assembly process. If this condition is present, the child seat would not be ab…
Transport Canada #2018348 · Jun 2018Source: Transport Canada Motor Vehicle Safety Recalls Database.
About the Cadillac CT6
The Cadillac CT6 is a full-size luxury car manufactured by Cadillac starting in 2016 over two generations.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.
2016 Cadillac CT6 vehicles on record
2016 Cadillac CT61G6KD5RS3HU137360
2016 Cadillac CT61G6KH5R67HU124473
2016 Cadillac CT61G6KK5R65GU167029
2016 Cadillac CT61G6KA5RX4GU163503
2016 Cadillac CT61G6KF5RS2GU159181
2016 Cadillac CT61G6KD5RS2HU153937
2016 Cadillac CT61G6KD5RSXHU145195
2016 Cadillac CT61G6KF5RS3GU162560
2016 Cadillac CT61G6KE5R67GU167217
2016 Cadillac CT61G6KN5R69HU132616
2016 Cadillac CT61G6KG5R68GU166555
2016 Cadillac CT61G6KC5RX0HU145219
2016 Cadillac CT61G6KB5RS2HU130258
2016 Cadillac CT61G6KH5R64HU138072
2016 Cadillac CT61G6KB5RS5GU168114
2016 Cadillac CT61G6KE5R61GU142328
2016 Cadillac CT61G6KK5R60GU156651
2016 Cadillac CT61G6KK5R68GU156381
2016 Cadillac CT61G6KF5RS2GU149931
2016 Cadillac CT61G6KD5RS0GU165325
2016 Cadillac CT61G6KD5RS2HU150391
2016 Cadillac CT61G6K95RS0HU167644