2021 Mitsubishi Montero Sport

The 2021 Mitsubishi Montero Sport is a mid-size SUV known for its ruggedness and off-road capabilities. It’s generally liked for its comfortable ride, spacious interior, and value for money. Some common complaints revolve around its fuel economy, somewhat dated interior styling, and engine performance when fully loaded. The 2021 model typically comes with a 2.4L 4N15 inline-4 turbo diesel engine, producing around 178 horsepower and 317 lb-ft of torque, paired with an 8-speed automatic transmission.

Engine

2.4L 4N15 Turbo Diesel

• Excessive Engine Noise/Vibration
  • Description/Symptoms: Some owners report excessive engine noise, especially during cold starts. This can be accompanied by unusual vibrations felt throughout the cabin.
  • Solution: Diagnosis by a qualified mechanic is recommended. Potential fixes include replacing or adjusting engine mounts, checking for loose or damaged components, or addressing potential fuel injector issues.
  • Estimated Cost to Fix: $100 - $1000+ depending on the issue.
  • Recalls: None Found
• Diesel Particulate Filter (DPF) Issues
  • Description/Symptoms: Clogging of the DPF can occur, especially with frequent short trips. Symptoms include reduced engine power, increased fuel consumption, and a warning light on the dashboard.
  • Solution: Forced regeneration of the DPF by a mechanic, or in severe cases, replacement of the DPF. Changing driving habits to include longer trips can help prevent recurrence.
  • Estimated Cost to Fix: $100 - $2,000+ depending on if it can be cleared or needs to be replaced.
  • Recalls: None Found

Transmission

8-Speed Automatic

• Harsh Shifting/Jerking
  • Description/Symptoms: Some owners have reported harsh or jerky shifting, particularly between lower gears. This can be more pronounced during acceleration.
  • Solution: A transmission fluid flush and software update can sometimes resolve the issue. In more severe cases, valve body issues or internal damage may necessitate repair or replacement.
  • Estimated Cost to Fix: $100 - $4,000+ depending on the issue and whether it can be cleared by a flush or needs to be rebuilt/replaced.
  • Recalls: None Found

Suspension

• Rear Suspension Sag/Softness
  • Description/Symptoms: Some owners have reported the rear suspension sagging over time, especially when carrying heavy loads or towing. This can lead to a bouncy ride and reduced handling.
  • Solution: Replacement of rear shocks and/or springs with heavy-duty aftermarket options.
  • Estimated Cost to Fix: $200 - $1,000+
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Lagging
  • Description/Symptoms: The infotainment system can sometimes freeze or lag, requiring a reboot. Connectivity issues with Bluetooth or Apple CarPlay/Android Auto may also occur.
  • Solution: Software updates can sometimes resolve these issues. If the problem persists, the head unit may need to be replaced.
  • Estimated Cost to Fix: $0 (Software Update) - $1,000+ (Replacement)
  • Recalls: None Found

Exterior

No Issues Found

Interior

• Rattling Noises
  • Description/Symptoms: Various rattling noises emanating from the dashboard, door panels, or rear cargo area, especially on rough roads.
  • Solution: Identifying the source of the rattle and tightening or replacing loose trim pieces or fasteners. This can be a time-consuming process.
  • Estimated Cost to Fix: $50 - $500+ depending on the source and severity
  • Recalls: None Found

Summary

The 2021 Mitsubishi Montero Sport generally appears to be a reliable vehicle, but some owners have reported issues primarily related to the engine (DPF), transmission (harsh shifting), suspension, and infotainment system. The severity of these issues varies, and repair costs can range from minor fixes to more significant expenses depending on the root cause. Owners should be aware of these potential problems and conduct thorough inspections and maintenance to ensure the long-term reliability of their vehicles.