2018 Mazda CX-3

The 2018 Mazda CX-3 is a subcompact crossover SUV known for its stylish design, engaging driving dynamics, and fuel efficiency. It comes with a single engine option: a 2.0-liter Skyactiv-G inline-4 engine producing 146 horsepower and 146 lb-ft of torque. This engine is paired with a 6-speed automatic transmission. Owners often praise the CX-3 for its nimble handling, upscale interior for its class, and user-friendly infotainment system. Common complaints include a tight rear seat and limited cargo space, as well as some reported reliability issues.

Engine

2.0L Skyactiv-G Inline-4

• Engine Oil Leaks
  • Description/Symptoms: Oil leaks are sometimes reported, often originating from the valve cover gasket or oil pan gasket. Symptoms include visible oil drips under the vehicle, the smell of burning oil, and low engine oil levels.
  • Solution: Replacing the leaking gasket or seal.
  • Estimated Cost to Fix: $150 - $400+
  • Recalls: None Found
• Evaporative Emission (EVAP) System Issues
  • Description/Symptoms: Some owners have reported issues related to the EVAP system, leading to the check engine light illuminating and potential difficulty refueling. This can be caused by a faulty purge valve solenoid or a leak in the system.
  • Solution: Diagnosis and replacement of the faulty component, often the purge valve solenoid, or repair of any leaks.
  • Estimated Cost to Fix: $100 - $300+
  • Recalls: None Found

Transmission

6-Speed Automatic

• Harsh Shifting
  • Description/Symptoms: Some owners have experienced harsh or jerky shifting, particularly between lower gears. This can be more noticeable when the transmission is cold.
  • Solution: Fluid flush and possibly software update of the transmission control module (TCM). In some cases, transmission replacement may be necessary.
  • Estimated Cost to Fix: $150 (fluid flush) - $3,000+ (transmission replacement)
  • Recalls: None Found

Suspension

• Premature Wear of Suspension Components
  • Description/Symptoms: Reports of premature wear of struts, shocks, or control arm bushings. Symptoms include clunking noises from the suspension, uneven tire wear, and diminished ride quality.
  • Solution: Replacement of worn struts, shocks, or control arm bushings.
  • Estimated Cost to Fix: $200 - $800+ per axle, depending on the components replaced.
  • Recalls: None Found

Electrical

• Battery Issues
  • Description/Symptoms: Some owners have reported issues with the factory battery failing prematurely. This can lead to difficulty starting the vehicle, especially in cold weather.
  • Solution: Battery replacement with an upgraded or higher-capacity battery.
  • Estimated Cost to Fix: $150 - $300+
  • Recalls: None Found
• Infotainment System Freezing/Crashing
  • Description/Symptoms: The Mazda Connect infotainment system can occasionally freeze, crash, or exhibit slow response times.
  • Solution: Software updates, system reset, or, in some cases, replacement of the infotainment unit.
  • Estimated Cost to Fix: $0 (software update) - $800+ (unit replacement)
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Rattling Noises
  • Description/Symptoms: Some owners have reported rattling noises coming from the dashboard or trim pieces, especially when driving on rough roads.
  • Solution: Locating and securing the loose trim pieces or adding padding to eliminate the vibrations.
  • Estimated Cost to Fix: $0 (DIY) - $200+ (professional repair)
  • Recalls: None Found

Summary

The 2018 Mazda CX-3 generally has moderate reliability. The most common issues relate to the engine (oil leaks, EVAP system), transmission (harsh shifting), suspension (premature wear), and electrical system (battery, infotainment system). The severity of these issues ranges from minor inconveniences to potentially costly repairs. Addressing potential issues like oil leaks or harsh shifting early can prevent more significant problems down the road.