NHTSA lists 4 safety recalls and 39 owner complaints for the 2020 Cadillac XT6. Most complaints involve electrical system (12) and power train (9). The EPA rates it 20 mpg combined, and NHTSA gives it 5 stars overall.
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.
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.
General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, Cadillac XT6, Chevrolet Traverse, and GMC Acadia vehicles. The fuel pump's jet nozzle may have a plastic burr remaining from the manufacturing process, possibly causing a blocked nozzle and an insufficient fuel supply to the engine.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“UNACCEPTABLE SAFETY HAZARD: General Motors & Cadillac Need to Take Responsibility I am writing this to urge Cadillac and General Motors to address a critical safety issue before someone gets seriously hurt or dies. While driving my 2020 Cadillac XT6 over an overpass in XXX, the vehicle suffered a complete electrical breakdown. Every dash light flared up, and I instantly lost total control—NO steering assist, NO acceleration. Being stranded in a moving vehicle without control on an elevated roadway was terrifying. This car has under 50,000 miles. It is currently on its 6th service visit at Stevens Creek Cadillac and has been sitting in their shop for 3 full weeks with zero answers or progress. I trusted Cadillac again even after my 2006 SRX had to be donated under 150k miles following 2 transmission replacements and endless issues. But experiencing a sudden, total power failure at highway speeds crosses every line. I am fearful to take this vehicle back. I do not feel safe put back behind the wheel. GM and Cadillac really should not sell these vehicles until their electrical issue is safe. I opened a case with GM and they said that the buy back was denied which…”
“The contact owns a 2020 Cadillac XT6. The contact stated that while accelerating from a complete stop and driving below 30 MPH, the vehicle shuddered, hesitated, and jerked. The vehicle was taken to the dealer, where it was diagnosed with burned transmission fluid and excessive metal shavings inside the fluid. The dealer determined that the transmission needed to be replaced. The vehicle was scheduled to be repaired. The contact associated the failure with NHTSA Campaign Number: 20V668000 (Power Train). The manufacturer was notified of the failure by phone and offered to cover 50 percent of the cost of the repair. The failure mileage was 16,000.”
“The contact owns a 2020 Cadillac XT6. The contact stated that while reversing at an undisclosed speed, the rear-view camera screen was intermittently dark and inoperable. The camera malfunction warning light was illuminated. The vehicle was taken back to the residence. The failure mileage was approximately 41,000.”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| XT6 AWD Auto (S9), 6 cyl, 3.6 L · All-Wheel Drive | 17 | 24 | 20 | $3,200 | 446 |
| XT6 FWD Auto (S9), 6 cyl, 3.6 L · Front-Wheel Drive | 18 | 25 | 20 | $3,200 | 437 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
4 safety recalls as of Oct 30, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 39 complaints with NHTSA. The most-cited components are electrical system (12), power train (9), back over prevention (8). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2020 Cadillac XT6 at 20 mpg combined, depending on engine and drivetrain (2 versions rated).
NHTSA's New Car Assessment Program gives the 2020 Cadillac XT6 5 out of 5 stars overall.