Model year
2018 Cadillac CT6
NHTSA lists 0 recalls and 9 complaints for the 2018 Cadillac CT6 (recall file dated Oct 23, 2026; complaint file dated Oct 23, 2026). NHTSA also lists 2 recalls and 3 complaints under CT6 PLUG-IN HYBRID. Those counts are separate from the numbers above. The components listed on the most complaints are ENGINE (3), POWER TRAIN (3), FUEL/PROPULSION SYSTEM (2). NHTSA lists crash-test variants for this model year and marks the overall rating Not Rated. EPA rates it 21–25 mpg combined and 54 kWh/100 mi depending on configuration (fuel economy file dated Sep 29, 2026). EPA's annual fuel-cost figures for these configurations are $3,200–$3,900, based on 15,000 miles and 55% city driving.
Recalls
No recalls are listed for this name in the matched NHTSA file.
Complaints
9 distinct complaints. Crash flag on 0, fire flag on 0, injury field 0, deaths field 0. A complaint can be counted under more than one component. The injury and death figures are the file's numbers (the highest value on each complaint, then added), not a separate verified count of people.
Other NHTSA names
These names matched the same EPA model but are not included in the headline counts above.
| Name | Recalls | Complaints |
|---|---|---|
| CT6 PLUG-IN HYBRID | 2 | 3 |
Investigations
No investigations are matched to this name.
Safety ratings
| Variant | Overall | Front | Side | Pole | Rollover | Photo |
|---|---|---|---|---|---|---|
| 4DR AWD | Not rated | Not Rated | Not Rated | Not Rated | Not Rated · possibility 0 | — |
| 4DR RWD | Not rated | Not Rated | Not Rated | Not Rated | Not Rated · possibility 0 | — |
| PHEV 4DR AWD | Not rated | Not Rated | Not Rated | Not Rated | Not Rated · possibility 0 | — |
Fuel economy
| Configuration | Fuel | City | Hwy | Comb | kWh/100 mi | Range | Annual fuel cost |
|---|---|---|---|---|---|---|---|
| CT6 AWD · 3L · Automatic (S8) · All-Wheel Drive | Premium Gasoline | 18 | 26 | 21 | — | — | $3,900 |
| CT6 AWD · 3.6L · Automatic (S8) · All-Wheel Drive | Regular Gasoline | 18 | 27 | 21 | — | — | $3,200 |
| CT6 · 2L · Automatic (S8) · Rear-Wheel Drive | Premium Gasoline | 22 | 30 | 25 | — | — | $3,300 |
| CT6 Plug-In · 2L · Automatic (variable gear ratios) · Rear-Wheel Drive | Premium Gasoline · Plug-in Hybrid | 23 | 29 | 25 | 54.0 | 430 | $3,300 |
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Check a vehicle
This page is not a VIN lookup. NHTSA's recall tool checks a specific vehicle: nhtsa.gov/recalls. NHTSA's page for this model year is 2018 Cadillac CT6 at NHTSA. Complaint narratives stay on NHTSA's site and are not copied here.