2021 Audi A4 allroad

Here’s a breakdown of common issues and complaints reported by owners of the 2021 Audi A4 allroad, categorized by component and with detailed descriptions.

The 2021 Audi A4 allroad is a popular choice for those seeking a blend of wagon practicality, luxury features, and all-weather capability. All 2021 A4 allroad models are powered by a 2.0-liter turbocharged four-cylinder engine producing 261 horsepower and 273 lb-ft of torque, paired with a seven-speed S tronic dual-clutch automatic transmission and Quattro all-wheel drive. Many owners appreciate the A4 allroad’s refined interior, comfortable ride, and standard safety features. Some common dislikes include the sometimes-hesitant dual-clutch transmission at low speeds and the cost of maintenance and repairs.

Engine

2.0L Turbocharged Four-Cylinder (EA888 Gen 4)

• Oil Consumption
  • Description/Symptoms: Some owners have reported higher than expected oil consumption, requiring more frequent oil top-offs between scheduled services. This can manifest as low oil level warnings on the dashboard.
  • Solution: Monitor oil levels regularly and address any leaks promptly. In severe cases, piston ring replacement might be necessary.
  • Estimated Cost to Fix: $2,000 - $5,000+ (depending on the extent of the repairs)
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Coolant leaks can occur from various points in the cooling system, including the water pump, coolant hoses, or the coolant reservoir. Symptoms include a sweet coolant smell, low coolant level warnings, and visible coolant pooling under the vehicle.
  • Solution: Identify and repair the source of the leak. This may involve replacing hoses, the water pump, or other cooling system components.
  • Estimated Cost to Fix: $200 - $1,500+ (depending on the source and severity of the leak)
  • Recalls: None Found

Transmission

7-Speed S tronic Dual-Clutch Automatic (DL382)

• Hesitation/Rough Shifting at Low Speeds
  • Description/Symptoms: Some owners have noted a hesitation or jerky feeling when accelerating from a stop or at low speeds. This is often attributed to the behavior of the dual-clutch transmission, particularly in stop-and-go traffic.
  • Solution: Software updates from Audi can sometimes improve the smoothness of the transmission. In some cases, a transmission fluid flush or replacement of the clutch packs may be necessary.
  • Estimated Cost to Fix: $100 - $2,000+ (depending on the solution)
  • Recalls: None Found
• Mechatronic Unit Failure
  • Description/Symptoms: The Mechatronic unit is the transmission control unit that handles the hydraulic control for the transmission. Failure can result in harsh shifting, inability to shift, or complete transmission failure.
  • Solution: Replacement of the Mechatronic unit
  • Estimated Cost to Fix: $2,000 - $4,000
  • Recalls: None Found

Suspension

• Premature Bushing Wear
  • Description/Symptoms: The control arm bushings can wear out prematurely, leading to clunking noises from the suspension, particularly when going over bumps.
  • Solution: Replacement of the worn bushings or the entire control arm.
  • Estimated Cost to Fix: $300 - $1000+ per corner (depending on whether bushings or entire control arms are replaced)
  • Recalls: None Found

Electrical

• Infotainment System Glitches
  • Description/Symptoms: The MMI (Multi Media Interface) infotainment system can sometimes experience glitches, such as freezing, lagging, or unexpected reboots.
  • Solution: Software updates from Audi can address some of these issues. In some cases, replacement of the MMI unit may be necessary.
  • Estimated Cost to Fix: $0 (if software update resolves) - $1,500+ (MMI unit replacement)
  • Recalls: None Found
• Sensor Malfunctions (Parking Sensors, Driver Assistance Systems)
  • Description/Symptoms: Malfunctions of various sensors, such as parking sensors or those related to driver assistance systems (e.g., adaptive cruise control), can occur. This can result in error messages or impaired functionality.
  • Solution: Diagnose and replace the faulty sensor.
  • Estimated Cost to Fix: $200 - $800+ (depending on the sensor)
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Sunroof Issues
  • Description/Symptoms: Some owners have reported issues with the sunroof, including difficulty opening or closing, unusual noises, or leaks.
  • Solution: Repair or replacement of the sunroof motor, track, or seals.
  • Estimated Cost to Fix: $200 - $1,500+
  • Recalls: None Found
• Rattling/Creaking Noises
  • Description/Symptoms: Rattling or creaking noises from the dashboard, door panels, or other interior trim pieces can develop over time.
  • Solution: Tightening loose fasteners or applying felt tape to areas where components are rubbing together.
  • Estimated Cost to Fix: $50 - $500+ (depending on the source and complexity of the repair)
  • Recalls: None Found

Summary

The 2021 Audi A4 allroad presents a generally reliable package, but some common issues exist. The most concerning issues revolve around the engine’s potential for oil consumption and the transmission’s low-speed behavior. Electrical glitches in the infotainment system and sensor malfunctions can also be irritating. Suspension bushing wear is a typical issue for many vehicles as they get older and is not specific to the 2021 Audi A4 Allroad. Overall, many issues require a repair cost of several hundred to thousands of dollars for some of the more complex issues like engine and transmission issues. Regular maintenance and prompt attention to any warning signs can help mitigate these problems and extend the lifespan of the vehicle.