2021 Cadillac XT6
The Verdict
Worst problem area
Driver Assistance & Speed Control
Driver Assistance & Speed Control leads by volume: 6 of 18 complaints (33%) mention it.
Complaints filed fell from 36 in 2020 to 18 in 2021.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2020 | 2021 | 2022 | 2023 | vs. 2021 Small Sport Utility Vehicle 2WD |
|---|---|---|---|---|---|
| Annual fuel cost ($) | 3,100 | 2,950–3,350 | 2,950–3,350 | 2,950–3,350 | |
| Combined MPG | 20 | 21–23 | 21–23 | 21–23 | |
| City / Highway MPG | 17–18 / 24–25 | 18–21 / 25–27 | 18–21 / 25–27 | 18–21 / 25–27 | |
| CO₂ tailpipe (g/mi) | 437–446 | 386–433 | 386–433 | 386–433 | |
| Complaints filed | 36 | 18 | 15 | 13 | |
| Recalls issued | 4 | 2 | 3 | 2 | |
| Crash-involved complaints | 0 | 0 | 1 | 1 | |
| Fire-involved complaints | 0 | 0 | 0 | 0 | |
| Injuries reported | 0 | 0 | 1 | 0 | |
| Deaths reported | 0 | 0 | 0 | 0 | |
| Configurations compared | 1 | 2 | 2 | 2 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2021 Cadillac XT6 have?
2 NHTSA recall campaigns as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 2021 Cadillac XT6?
Driver Assistance & Speed Control: 6 of 18 NHTSA complaints (33%) mention it.
What gas mileage does the 2021 Cadillac XT6 get?
EPA rates it 21–23 MPG combined.
How much does it cost to fuel a 2021 Cadillac XT6?
EPA estimates $2,950–$3,350 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (4)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic (S9) | 4 | 2.0L | Front-Wheel Drive | Premium | Small Sport Utility Vehicle 2WD | 21 mpg (high) | 27 mpg (high) | 23 mpg (high) | $3,350 (high) | 386 g/mi (low) |
| Configuration 2 | Automatic (S9) | 4 | 2.0L | All-Wheel Drive | Premium | Small Sport Utility Vehicle 4WD | 21 mpg (high) | 26 mpg | 23 mpg (high) | $3,350 (high) | 386 g/mi (low) |
| Configuration 3 | Automatic (S9) | 6 | 3.6L | Front-Wheel Drive | Regular | Small Sport Utility Vehicle 2WD | 19 mpg | 26 mpg | 21 mpg (low) | $2,950 (low) | 418 g/mi |
| Configuration 4 | Automatic (S9) | 6 | 3.6L | All-Wheel Drive | Regular | Small Sport Utility Vehicle 4WD | 18 mpg (low) | 25 mpg (low) | 21 mpg (low) | $2,950 (low) | 433 g/mi (high) |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 4 | 0 | 0 | 0 | 0 |
| Transmission & Drivetrain | 1 | 0 | 0 | 0 | 0 |
| Fuel System | 4 | 0 | 0 | 0 | 0 |
| Electrical | 4 | 0 | 0 | 0 | 0 |
| Brakes | 1 | 0 | 0 | 0 | 0 |
| Steering | 1 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 0 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 0 | 0 | 0 | 0 | 0 |
| Driver Assistance & Speed Control | 6 | 0 | 0 | 0 | 0 |
| Body, Seats & Latches | 0 | 0 | 0 | 0 | 0 |
| Visibility & Lighting | 0 | 0 | 0 | 0 | 0 |
| Other | 3 | 0 | 0 | 0 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (2)
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · Campaign 22V709000 · Sep 22, 2022
Defect: General Motors, LLC (GM) is recalling certain 2020-2021 Cadillac XT5, XT6, and GMC Acadia vehicles equipped with the optional Surround Vision feature. The rearview camera coaxial cable connectors may have been crimped improperly, causing the rearview camera to fail or function intermittently.
Consequence: An inoperative rearview camera can reduce the driver's rear visibility, increasing the risk of a crash.
Remedy: Dealers will replace the coaxial cables, free of charge. Owner notification letters were mailed January 18, 2023. Owners may contact Cadillac customer service at 1-800-458-8006 or GMC customer service at 1-800-462-8782. GM's number for this recall is N222378380.
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS · Campaign 21V422000 · Jun 4, 2021
Defect: General Motors, LLC. (GM) is recalling certain 2021 Cadillac XT5, XT6, and GMC Acadia vehicles. The fuel supply lines may be improperly attached and seated.
Consequence: Improperly attached and seated fuel supply lines may loosen or separate, causing a fuel leak and increasing the risk of a fire.
Remedy: Dealers will inspect and replace fuel supply lines as necessary, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Cadillac customer service at 1-800-458-8006 and GMC customer service at 1-800-462-8782. GM's number for this recall is N212335590.