2018 Tesla X

The 2018 Tesla Model X is an all-electric SUV known for its distinctive falcon-wing doors and impressive performance. The 2018 model offered multiple battery options, with corresponding performance variations. The most common configuration was the 75D, 90D, and 100D models, differentiated primarily by battery capacity and range. All models feature dual electric motors, providing all-wheel drive. Horsepower varied with the battery pack, ranging approximately from 328 hp to 518 hp, and torque from 387 lb-ft to 611 lb-ft. People generally like the Model X for its advanced technology, spacious interior, and quick acceleration. Dislikes often revolve around build quality issues, complex features that can be problematic, and the high cost of ownership.

Electric Motor

Dual Motor (All Models)

• Drive Inverter Failure
  • Description/Symptoms: Sudden loss of power, error messages related to the drive unit, inability to accelerate. Can occur intermittently at first then becomes permanent.
  • Solution: Replacement of the drive inverter.
  • Estimated Cost to Fix: $2,000 - $4,000+
  • Recalls: None Found
• Rear Motor Bearing Failure
  • Description/Symptoms: Whining or grinding noise emanating from the rear of the vehicle, increasing with speed. This indicates bearing wear or failure in the rear motor.
  • Solution: Replacement of the rear motor or bearing, depending on the extent of the damage.
  • Estimated Cost to Fix: $1,500 - $3,500+
  • Recalls: None Found

Suspension

• Air Suspension Compressor Failure
  • Description/Symptoms: Vehicle sagging on one or more corners, “Suspension Fault” warning on the dashboard, inability to raise or lower the vehicle’s ride height. Noises may be present, if able to raise vehicle you might experience a very bouncy ride.
  • Solution: Replacement of the air suspension compressor.
  • Estimated Cost to Fix: $1,200 - $2,500+
  • Recalls: None Found
• Air Suspension Strut Leaks
  • Description/Symptoms: Similar to compressor failure, the vehicle may sag, especially overnight. Hissing sound coming from the struts.
  • Solution: Replacement of the leaking air suspension strut(s).
  • Estimated Cost to Fix: $1,000 - $2,000 per strut +
  • Recalls: None Found

Electrical

• MCU (Media Control Unit) Failure
  • Description/Symptoms: Blank or frozen touchscreen, loss of navigation, climate control, and other vehicle functions controlled through the screen.
  • Solution: Replacement of the MCU.
  • Estimated Cost to Fix: $2,000 - $3,000+
  • Recalls: None Found
• 12V Battery Issues
  • Description/Symptoms: Car failing to start, various error messages appearing on the dashboard, issues with low-voltage systems. The 12V battery is responsible for powering auxiliary systems.
  • Solution: Replacement of the 12V battery.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Charging Port Door Failure
  • Description/Symptoms: The charging port door fails to open or close properly.
  • Solution: Replacement of the charging port door mechanism or the entire charging port assembly.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found

Exterior

• Falcon Wing Door Malfunctions
  • Description/Symptoms: Doors failing to open or close correctly, sensors malfunctioning, doors hitting obstacles, error messages related to the door operation.
  • Solution: Recalibration of the door sensors, replacement of faulty sensors, adjustment of the door mechanisms, or replacement of the entire door assembly in severe cases.
  • Estimated Cost to Fix: $500 - $5,000+ (depending on severity and parts required)
  • Recalls: None Found
• Tail Light Water Intrusion
  • Description/Symptoms: Condensation or water accumulating inside the tail light housing, potentially leading to bulb failure or electrical issues.
  • Solution: Replacement of the tail light assembly.
  • Estimated Cost to Fix: $300 - $700+ per tail light
  • Recalls: None Found

Interior

• Front Seat Motor Failure
  • Description/Symptoms: Front seats failing to adjust properly, or not adjusting at all.
  • Solution: Replacement of the faulty seat motor(s).
  • Estimated Cost to Fix: $500 - $1,200+ per seat
  • Recalls: None Found
• Sunroof Issues
  • Description/Symptoms: Sunroof failing to open or close properly, sticking, or making excessive noise. In some cases, leaks.
  • Solution: Repair or replacement of the sunroof motor, track, or seals.
  • Estimated Cost to Fix: $400 - $1,500+
  • Recalls: None Found

Summary

The 2018 Tesla Model X is plagued with a number of issues, particularly in the areas of electrical components, suspension, and the unique falcon-wing doors. The severity of these issues ranges from inconvenient malfunctions to potentially dangerous driveability problems. The cost to repair these issues can be substantial, with some repairs exceeding several thousand dollars. Potential buyers should carefully inspect the vehicle and obtain a pre-purchase inspection from a qualified Tesla technician to identify any existing or potential problems.