2021 Nissan Armada

The 2021 Nissan Armada is a full-size SUV known for its spaciousness, comfortable ride, and robust towing capacity. It comes standard with a 5.6-liter V8 engine producing 400 horsepower and 413 lb-ft of torque, paired with a 7-speed automatic transmission. People generally like the Armada’s powerful engine, comfortable interior, and user-friendly infotainment system. Some common dislikes include its relatively poor fuel economy and large turning radius.

Engine

5.6L V8

• Engine Knocking/Pinging
  • Description/Symptoms: Some owners have reported engine knocking or pinging, especially under load or during acceleration. This can be caused by several factors, including lower-octane fuel, carbon buildup, or issues with the engine’s knock sensors.
  • Solution: Try using higher-octane fuel. If the problem persists, a mechanic should diagnose the cause, which may involve cleaning the fuel injectors, decarbonizing the engine, or replacing faulty knock sensors.
  • Estimated Cost to Fix: $100 - $1,000+ depending on the root cause and repair needed.
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Some owners have reported oil leaks, particularly around the valve covers or oil pan.
  • Solution: Replacing the valve cover gaskets or resealing the oil pan.
  • Estimated Cost to Fix: $200 - $800+ depending on the location of the leak and labor rates.
  • Recalls: None Found

Transmission

7-Speed Automatic

• Harsh Shifting/Jerking
  • Description/Symptoms: Some owners have reported experiencing harsh shifting or jerking, particularly when shifting between certain gears, usually when cold.
  • Solution: Sometimes, a transmission fluid flush and refill can resolve the issue. In more severe cases, valve body replacement or transmission rebuild may be necessary.
  • Estimated Cost to Fix: $300+ for a fluid flush to $2,000 - $5,000+ for more extensive repairs.
  • Recalls: None Found

Suspension

• Rear Air Suspension Issues (if equipped)
  • Description/Symptoms: For Armadas equipped with the optional rear air suspension, some owners have reported issues with the system, including the compressor failing or the air springs leaking. This can result in the rear of the vehicle sagging or an inability to maintain the correct ride height.
  • Solution: Replacing the air suspension compressor, air springs, or associated components.
  • Estimated Cost to Fix: $500 - $2,000+ depending on the component that needs replacement.
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: Some owners have reported issues with the infotainment system freezing, crashing, or being unresponsive.
  • Solution: In some cases, a software update can resolve the issue. If not, the infotainment system may need to be replaced.
  • Estimated Cost to Fix: $0 (if software update) to $500 - $1500+ for replacement.
  • Recalls: None Found
• Sensor Malfunctions (e.g., Blind Spot Monitoring, Parking Sensors)
  • Description/Symptoms: Some owners have experienced malfunctions with the vehicle’s various sensors, such as the blind spot monitoring system or parking sensors.
  • Solution: Replacing the faulty sensor(s).
  • Estimated Cost to Fix: $200 - $800+ per sensor depending on location and labor.
  • Recalls: None Found

Exterior

• Automatic Liftgate Problems
  • Description/Symptoms: Some owners have reported issues with the automatic liftgate, including it not opening or closing properly, or making unusual noises.
  • Solution: Replacing the liftgate struts, motor, or sensors.
  • Estimated Cost to Fix: $300 - $1000+
  • Recalls: None Found

Interior

• HVAC Issues (e.g., inconsistent temperature, blower motor malfunction)
  • Description/Symptoms: Some owners have reported issues with the HVAC system, such as inconsistent temperature control or the blower motor failing.
  • Solution: Replacing the faulty HVAC components, such as the blend door actuator or blower motor.
  • Estimated Cost to Fix: $200 - $800+ depending on the component and labor.
  • Recalls: None Found

Summary

The 2021 Nissan Armada generally exhibits issues related to its engine, transmission, electrical components, and suspension (if equipped with air suspension). While some issues can be resolved with relatively inexpensive fixes, others may require more extensive and costly repairs. Overall, the severity of the reported issues ranges from minor inconveniences to potentially impacting vehicle drivability and safety. Buyers should be aware of these potential problems and carefully inspect the vehicle before purchase.