2020 Mazda 6

Introduction:

The 2020 Mazda 6 is a midsize sedan offered with a choice of two engine options: a 2.5L inline-four and a 2.5L turbocharged inline-four. The non-turbo engine produces 187 horsepower and 186 lb-ft of torque, while the turbocharged engine generates 227 horsepower and 310 lb-ft of torque. Both engines are paired with a six-speed automatic transmission. The Mazda 6 is praised for its sharp handling, comfortable interior, and sleek styling. However, some owners have reported issues with certain components.

Engine

2.5L Inline-Four

• Oil Leak from Valve Cover Gasket:
  • Description/Symptoms: Oil seepage or drips from the engine valve cover area, causing low oil levels and potentially engine damage.
  • Solution: Replace the valve cover gasket.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found
• Carbon Buildup on Intake Valves:
  • Description/Symptoms: Reduced engine power, rough idling, and increased fuel consumption.
  • Solution: Remove and clean the intake valves using a specialized cleaning solution.
  • Estimated Cost to Fix: $400 - $800
  • Recalls: None Found

2.5L Turbocharged Inline-Four

• Premature Timing Chain Tensioner Failure:
  • Description/Symptoms: Noisy engine operation, reduced power output, and potential engine damage.
  • Solution: Replace the timing chain tensioner.
  • Estimated Cost to Fix: $800 - $1,200
  • Recalls: None Found
• Turbocharger Wastegate Actuator Failure:
  • Description/Symptoms: Inability to boost properly, check engine light, and reduced engine performance.
  • Solution: Replace the turbocharger wastegate actuator.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Transmission

Six-Speed Automatic

• Shuddering or Hesitation During Gear Shifts:
  • Description/Symptoms: Jerky or delayed gear changes, especially noticeable during acceleration or deceleration.
  • Solution: Software updates or transmission fluid flushes may resolve the issue. In severe cases, transmission component replacement may be required.
  • Estimated Cost to Fix: $100 - $2,000+
  • Recalls: None Found
• Transmission Fluid Leaks:
  • Description/Symptoms: Oil seepage or drips from the transmission housing, leading to low fluid levels and potential transmission damage.
  • Solution: Replace the leaking transmission seals or gaskets.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found

Suspension

• Rear Suspension Bushing Wear:
  • Description/Symptoms: Excessive road noise, vibration, or handling issues.
  • Solution: Replace the worn rear suspension bushings.
  • Estimated Cost to Fix: $400 - $800
  • Recalls: None Found
• Front Strut Mount Bearing Failure:
  • Description/Symptoms: Noises while turning or going over bumps, as well as reduced handling performance.
  • Solution: Replace the strut mount bearings.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Electrical

• Battery Drain:
  • Description/Symptoms: Loss of battery power over time, even when the vehicle is turned off.
  • Solution: Identify and fix the source of the parasitic draw, such as faulty modules or electrical components.
  • Estimated Cost to Fix: $200 - $800
  • Recalls: None Found
• Infotainment System Malfunctions:
  • Description/Symptoms: Touchscreen freezing, audio distortion, or navigation system errors.
  • Solution: Software updates or module replacements may resolve the issue.
  • Estimated Cost to Fix: $50 - $500
  • Recalls: NHTSA Campaign Number 19V549000

Exterior

• Rear Bumper Gap:
  • Description/Symptoms: Misaligned rear bumper, resulting in uneven gaps between the bumper and the body panels.
  • Solution: Adjust or replace the rear bumper mounts.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found
• Paint Peeling on Hood (specific to Signature trim):
  • Description/Symptoms: Premature peeling of the paint on the hood, primarily on Signature trim models.
  • Solution: Contact your local Mazda dealership for a warranty repair.
  • Estimated Cost to Fix: No cost under warranty
  • Recalls: None Found

Interior

• Sunroof Rattling or Wind Noise:
  • Description/Symptoms: Excessive noise while driving, particularly at highway speeds.
  • Solution: Adjust or replace the sunroof weatherstripping or seals.
  • Estimated Cost to Fix: $200 - $600
  • Recalls: None Found
• Seat Heater Malfunction:
  • Description/Symptoms: Inconsistent or non-functional seat heating elements.
  • Solution: Replace the seat heater element or switch.
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found

Summary

While the 2020 Mazda 6 is generally a reliable vehicle, it has experienced some issues, particularly with its engine, transmission, and electrical systems. Some of these issues can be costly to repair, but most are covered under warranty. Overall, potential buyers should be aware of these potential problems and consider the severity and cost of repairs when making a purchasing decision.