2008 Mazda 6

The 2008 Mazda 6 is a mid-size sedan known for its sporty handling and stylish design. Engine options include a 2.3L inline-4 producing 156 hp and 163 lb-ft of torque, and a 3.0L V6 outputting 212 hp and 197 lb-ft of torque. Both engines were offered with either a 5-speed manual or a 5-speed automatic transmission. People generally appreciate the Mazda 6 for its responsive driving dynamics, comfortable interior, and attractive exterior styling. Common complaints include issues with reliability, particularly with certain electrical components and rust.

Engine

2.3L Inline-4

• Timing Chain Issues
  • Description/Symptoms: Rattling noise upon startup, especially in cold weather. Can lead to engine damage if not addressed.
  • Solution: Replacement of the timing chain, tensioner, and guides.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found
• Variable Valve Timing (VVT) Actuator Failure
  • Description/Symptoms: Rough idle, decreased fuel economy, and potential for engine stalling. Can also cause the check engine light to illuminate.
  • Solution: Replacement of the VVT actuator.
  • Estimated Cost to Fix: $500 - $1000
  • Recalls: None Found

3.0L V6

• Oil Leaks
  • Description/Symptoms: Oil spots under the vehicle, burning oil smell, and low oil level. Common leak locations include valve cover gaskets and the oil pan gasket.
  • Solution: Replacement of the leaking gaskets.
  • Estimated Cost to Fix: $200 - $500+ (depending on the location of the leak)
  • Recalls: None Found

Transmission

5-Speed Automatic

• Rough Shifting
  • Description/Symptoms: Harsh or jerky shifts between gears, particularly from 1st to 2nd gear.
  • Solution: Fluid change and possibly a software update. If the issue persists, valve body replacement or a full transmission rebuild may be necessary.
  • Estimated Cost to Fix: $100 (fluid change) - $3000+ (rebuild)
  • Recalls: None Found

Suspension

• Rear Suspension Sag
  • Description/Symptoms: The rear of the vehicle sits lower than normal, especially when loaded. Can lead to uneven tire wear and handling issues.
  • Solution: Replacement of the rear coil springs.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Electrical

• Power Window Motor Failure
  • Description/Symptoms: Windows fail to operate or move slowly.
  • Solution: Replacement of the power window motor.
  • Estimated Cost to Fix: $200 - $400 per window
  • Recalls: None Found
• TPMS Sensor Failure
  • Description/Symptoms: Tire Pressure Monitoring System light remains on despite proper tire inflation, or the system provides inaccurate readings.
  • Solution: Replacement of the faulty TPMS sensor(s).
  • Estimated Cost to Fix: $50 - $200 per sensor
  • Recalls: None Found

Exterior

• Rust (Especially Rear Wheel Arches and Rocker Panels)
  • Description/Symptoms: Rust formation on the rear wheel arches and rocker panels. Common in areas with road salt usage.
  • Solution: Rust repair or panel replacement and repainting.
  • Estimated Cost to Fix: $500 - $2000+ per panel (depending on severity)
  • Recalls: None Found

Interior

• Airbag Light Illumination
  • Description/Symptoms: The airbag warning light illuminates on the dashboard. Could indicate a problem with the airbag system’s sensors, wiring, or the airbag control module.
  • Solution: Diagnosis and repair or replacement of the faulty component.
  • Estimated Cost to Fix: $100 - $1000+ (depending on the issue)
  • Recalls: R0612H

Summary:

The 2008 Mazda 6 has a mixed reputation for reliability. Some models suffer from significant engine problems like timing chain issues (2.3L) and oil leaks (3.0L). Electrical issues with power windows and TPMS sensors are also common. Rust is a major concern, particularly in areas with harsh winters. While the car is enjoyable to drive, potential buyers should be aware of these common issues and budget accordingly for potential repairs. The severity and cost of these problems can vary widely, ranging from relatively inexpensive sensor replacements to more costly engine or transmission repairs.