2016 Cadillac CT6: recalls, fuel economy and safety ratings
EPA rates the 2016 Cadillac CT6 at 21–25 mpg combined across 3 versions. NHTSA lists 3 safety recalls and 11 owner complaints for this model year.
Safety recalls
3
EPA combined mpg
21–25
NHTSA overall rating
—
Recall file dated Oct 27, 2026 · EPA file dated Sep 29, 2026 · updated Oct 27, 2026, 7:34 AM EDT
Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Cadillac dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.
2016 Cadillac CT6 recalls
NHTSA's recall file lists 3 safety recalls for the 2016 Cadillac CT6, newest first.
Exterior lighting: Headlights and 1 more component
NHTSA 21V759000Reported Sep 29, 2021
Filed by
General Motors, LLC (manufacturer recall no. N162016079)
Components
Exterior lighting: Headlights; Exterior lighting
Units affected
181 (estimate)
Problem
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."
Risk
The excessive brightness may affect the vision of other drivers, increasing the risk of a crash.
Remedy
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 (manufacturer recall no. 18228)
Components
Child seat: Latch strap; Seats: Mid/rear assembly
Units affected
22,043 (estimate)
Problem
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.
Remedy
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.
General Motors, LLC (manufacturer recall no. 16035)
Units affected
131 (estimate)
Problem
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.
Risk
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.
Remedy
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.
Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.
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2016 Cadillac CT6 fuel economy by version
EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.
Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.
EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.
2016 Cadillac CT6 crash-test ratings
NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.
2016 Cadillac CT6 NHTSA 5-Star Safety Ratings
Tested vehicle
Overall
Frontal
Side
Rollover
Rollover risk
Forward collision warning
2016 Cadillac CT6 4DR AWD
Not rated
Not rated
Not rated
Not rated
—
Optional
2016 Cadillac CT6 4DR FWD
Not rated
Not rated
Not rated
Not rated
—
Optional
Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.
Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.
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2016 Cadillac CT6 owner complaints
Owners have filed 11 complaints with NHTSA about the 2016 Cadillac CT6, most recently on Oct 20, 2025. 3 mention a crash, 0 a fire, 2 injured people and 1 deaths. These are unverified reports; a complaint is not proof of a defect.
Most-cited components in 2016 Cadillac CT6 complaints
Component named in complaints
Mentions
Power train
6
Air bags
2
Engine
2
Unknown or other
2
Fuel/propulsion system
1
Suspension
1
Wheels
1
Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.
