2021 Acura RDX

The 2021 Acura RDX is a popular compact luxury SUV known for its sporty handling, spacious interior, and value proposition. The sole engine option for the 2021 RDX is a 2.0-liter turbocharged four-cylinder engine producing 272 horsepower and 280 lb-ft of torque, paired with a 10-speed automatic transmission. People generally like the RDX for its comfortable ride, user-friendly technology, and ample cargo space. Common dislikes include its somewhat uninspiring engine sound and the sometimes-clunky operation of the infotainment touchpad.

Engine

2.0L Turbocharged Inline-4

• Turbocharger Failure/Issues
  • Description/Symptoms: Whining noises from the turbocharger, loss of power, check engine light. Some owners have reported premature turbocharger failure.
  • Solution: Turbocharger replacement.
  • Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: None Found
• Excessive Oil Consumption
  • Description/Symptoms: Needing to add oil more frequently than expected between oil changes. Some owners report consuming a quart of oil every 1,000-3,000 miles.
  • Solution: In some cases, a software update may help. In more severe cases, piston ring replacement or engine replacement might be necessary.
  • Estimated Cost to Fix: Software update - $0-$200. Piston ring replacement - $2,000 - $5,000+. Engine replacement $5,000-$10,000+
  • Recalls: None Found

Transmission

10-Speed Automatic Transmission

• Harsh Shifting/Hesitation
  • Description/Symptoms: Reports of rough or jerky shifts, particularly at lower speeds. Some owners experience hesitation when accelerating from a stop.
  • Solution: Software update of the transmission control module (TCM). In some cases, transmission replacement may be required.
  • Estimated Cost to Fix: Software update - $0-$200. Transmission Replacement - $5,000-$8,000+
  • Recalls: None Found

Suspension

• Adaptive Damper System (if equipped) Issues
  • Description/Symptoms: For vehicles equipped with Acura’s Adaptive Damper System (ADS), some owners have reported premature failure of the dampers, leading to a bouncy or uncomfortable ride. Warning lights related to the ADS may illuminate.
  • Solution: Replacement of the faulty dampers.
  • Estimated Cost to Fix: $800 - $1,500+ per damper
  • Recalls: None Found

Electrical

• Infotainment System Glitches
  • Description/Symptoms: Freezing, lagging, or unresponsive behavior of the infotainment system. Intermittent connectivity issues with Apple CarPlay or Android Auto.
  • Solution: Software updates, system resets. In some cases, replacement of the infotainment unit may be required.
  • Estimated Cost to Fix: Software update - $0 - $200. Infotainment unit replacement - $1,000+
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Premature battery drain, especially in vehicles with remote start.
  • Solution: Software update, replacement of faulty module, or battery replacement.
  • Estimated Cost to Fix: Software update - $0-$200. Battery Replacement - $200 - $400
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Creaking/Rattling Noises
  • Description/Symptoms: Reports of various creaking or rattling noises emanating from the dashboard, door panels, or rear cargo area, especially on rough roads.
  • Solution: Locating and tightening loose trim pieces or applying sound-deadening material.
  • Estimated Cost to Fix: $100 - $500+ (depending on the source and complexity)
  • Recalls: None Found

Summary

The 2021 Acura RDX, while generally reliable, has a few common issues owners report. Engine issues are of moderate concern, particularly turbocharger problems and excessive oil consumption. Transmission issues, mainly harsh shifting, are a nuisance and, if unresolved by software, become costly repairs. The infotainment glitches can be frustrating, and suspension issues on ADS-equipped models can impact ride quality. Creaking noises are an annoyance. Most of these issues range in severity, with costs that can go as high as $8,000 for a transmission replacement. Therefore, it’s essential to have the vehicle thoroughly inspected, especially focusing on these areas, before purchasing.