2020 Cadillac CT6

Here is a breakdown of common issues reported for the 2020 Cadillac CT6, categorized and formatted as requested.

The 2020 Cadillac CT6 is a full-size luxury sedan that offers a blend of comfort, technology, and performance. Engine options for the 2020 CT6 include a 2.0L Turbocharged I4 (237 hp, 258 lb-ft of torque), a 3.6L Naturally Aspirated V6 (335 hp, 285 lb-ft of torque), and a 4.2L Blackwing Twin-Turbo V8 (500 hp, 574 lb-ft of torque). The 2.0L engine is paired with an 8-speed automatic transmission, while the 3.6L and 4.2L engines use a 10-speed automatic. People generally appreciate the CT6 for its spacious interior, comfortable ride, and advanced technology features. Some common criticisms include the somewhat dated interior design compared to rivals, and the limited availability of the Blackwing V8 engine.

Engine

2.0L Turbocharged I4

• No Issues Found

3.6L Naturally Aspirated V6

• Excessive Oil Consumption
  • Description/Symptoms: Some owners have reported excessive oil consumption, requiring frequent top-offs between oil changes. This can manifest as the need to add oil every 1,000-3,000 miles. Blue smoke may also be seen from the exhaust upon starting.
  • Solution: Depending on the cause, the solutions can range from replacing valve stem seals to piston rings or even the entire engine.
  • Estimated Cost to Fix: $500-$7,000+
  • Recalls: None Found

4.2L Blackwing Twin-Turbo V8

• No Issues Found

Transmission

10-Speed Automatic (Used with 3.6L V6 and 4.2L V8)

• Harsh Shifting/Hesitation
  • Description/Symptoms: Some owners have reported experiencing harsh or erratic shifting, particularly between certain gears. Hesitation or delays when accelerating from a stop or during passing maneuvers are also reported.
  • Solution: In some cases, a software update or recalibration of the transmission control module (TCM) can resolve the issue. In other cases, internal mechanical issues, such as valve body problems or clutch wear, may necessitate a transmission rebuild or replacement.
  • Estimated Cost to Fix: $200 - $6,000+
  • Recalls: None Found

Suspension

• Magnetic Ride Control (MRC) Issues
  • Description/Symptoms: Premature failure of the Magnetic Ride Control shocks. Symptoms include a bouncy or unstable ride, excessive body roll, and a knocking or clunking noise from the suspension.
  • Solution: Replacement of the affected MRC shocks.
  • Estimated Cost to Fix: $800 - $1500+ per shock
  • Recalls: None Found

Electrical

• Infotainment System Glitches
  • Description/Symptoms: The Cadillac User Experience (CUE) infotainment system can experience glitches, including screen freezes, unresponsive touch controls, and Bluetooth connectivity problems.
  • Solution: Restarting the system may temporarily resolve the issue. In some cases, software updates can address underlying bugs. If hardware is failing, replacement may be necessary.
  • Estimated Cost to Fix: $0 (Software Update) - $1,500+ (Replacement)
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Some owners have reported issues with rapid battery drain, even when the vehicle is not in use.
  • Solution: Identifying and addressing parasitic drains (e.g., faulty modules, accessories left on). Replacing the battery if necessary.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Exterior

• Water Leaks (Sunroof/Moonroof)
  • Description/Symptoms: Water leaks into the cabin, typically around the sunroof or moonroof area, during rain or car washes.
  • Solution: Cleaning and unclogging the sunroof/moonroof drain tubes. Replacing seals if necessary.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Interior

• No Issues Found

Summary

The 2020 Cadillac CT6 has a few common issues. Oil consumption in the 3.6L V6 can lead to engine problems and transmission issues with the 10-speed transmission, as well as glitchy electronics. MRC suspensions are prone to fail as well. The severity of these issues ranges from minor inconveniences to potentially costly repairs. The average cost to fix these issues varies widely depending on the specific problem and required repairs.