2021 Cadillac XT4

The 2021 Cadillac XT4 is a compact luxury SUV, known for its stylish design, comfortable ride, and user-friendly technology. The XT4 comes standard with a 2.0L turbocharged four-cylinder engine producing 237 horsepower and 258 lb-ft of torque, paired with a 9-speed automatic transmission. Owners generally appreciate the XT4’s upscale interior, smooth handling, and ample cargo space for its class. Common criticisms include its somewhat uninspired engine performance, and the unintuitive infotainment system. This information will break down the common issues and complaints reported by owners.

Engine

2.0L Turbocharged I4 (LSY)

• Excessive Oil Consumption
  • Description/Symptoms: Some owners have reported higher than expected oil consumption, requiring frequent oil top-offs between scheduled oil changes. Symptoms may include low oil level warnings, visible exhaust smoke, and a burning oil smell.
  • Solution: The fix varies depending on the severity and cause. In some cases, a software update to the engine control module (ECM) might address the issue. In more severe cases, piston ring replacement or engine replacement may be necessary.
  • Estimated Cost to Fix: $200 - $5,000+
  • Recalls: None Found
• Engine Misfires
  • Description/Symptoms: Some owners have reported that their vehicles may experience engine misfires. This may lead to a loss of power, rough idling, and/or the check engine light illuminating.
  • Solution: The fix varies depending on the severity and cause. Many possible causes can lead to engine misfires, including bad spark plugs, clogged fuel injectors, or leaking vacuum lines.
  • Estimated Cost to Fix: $100 - $1,000+
  • Recalls: None Found

Transmission

9-Speed Automatic (9T50)

• Rough or Delayed Shifting
  • Description/Symptoms: Some owners have reported experiencing rough or delayed shifting between gears, particularly during low-speed driving or when accelerating. The transmission may also hesitate or “hunt” for the correct gear.
  • Solution: In some cases, a transmission control module (TCM) software update may resolve the issue. In more severe cases, valve body replacement or complete transmission replacement may be necessary.
  • Estimated Cost to Fix: $150 - $5,000+
  • Recalls: None Found
• Transmission Slipping
  • Description/Symptoms: Some owners have reported experiencing transmission slippage. This may include the car failing to accelerate when you press on the gas, and may be accompanied by a burning smell.
  • Solution: The fix varies depending on the severity and cause. Sometimes, a transmission fluid flush can correct this issue. In other cases, valve body replacement or complete transmission replacement may be necessary.
  • Estimated Cost to Fix: $200 - $5,000+
  • Recalls: None Found

Suspension

No Issues Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The infotainment system can freeze, become unresponsive, or crash entirely, requiring a restart. This can affect navigation, audio, climate control, and other vehicle functions.
  • Solution: A software update to the infotainment system is often the first step. If the problem persists, replacing the infotainment unit may be necessary.
  • Estimated Cost to Fix: $100 - $1,500+
  • Recalls: None Found
• Backup Camera Malfunction
  • Description/Symptoms: The rearview camera image may be distorted, flickering, or completely black.
  • Solution: Check camera connections. Replacing the camera or module, or performing a software update to the infotainment system may be necessary.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Exterior

• Sunroof Leaks
  • Description/Symptoms: Water leaks around the sunroof area, potentially damaging the headliner or interior components.
  • Solution: Inspect and clean the sunroof drain tubes, and repair or replace damaged weather seals.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Interior

• Rattling/Squeaking Noises
  • Description/Symptoms: Rattling or squeaking noises emanating from various interior panels, trim pieces, or seats, particularly when driving on uneven surfaces.
  • Solution: Identifying and securing the loose components, adding sound dampening material, or replacing damaged parts.
  • Estimated Cost to Fix: $50 - $500+
  • Recalls: None Found

Summary

The 2021 Cadillac XT4, while offering a luxurious experience, has several common issues reported by owners. Engine-related concerns, such as excessive oil consumption and misfires, can lead to significant repair costs. Transmission issues like rough shifting and slipping also warrant attention. Electrical glitches in the infotainment system and backup camera can detract from the overall driving experience. Interior rattles and sunroof leaks, while less severe, can still be bothersome. Overall, potential buyers should be aware of these potential problems and carefully inspect any used XT4 before making a purchase. The severity and cost of repairs can vary, with some issues requiring simple fixes and others demanding more extensive and costly solutions.