2021 Mazda CX-30
The 2021 Mazda CX-30 is a subcompact crossover SUV that offers a blend of sporty handling, stylish design, and a premium interior feel. It was offered with two engine options: a naturally aspirated 2.5-liter inline-4 producing 186 horsepower and 186 lb-ft of torque and a turbocharged 2.5-liter inline-4 producing 227 horsepower and 310 lb-ft of torque. Both engines are paired with a 6-speed automatic transmission. Owners often praise the CX-30 for its engaging driving dynamics and upscale cabin, but some common complaints include a somewhat cramped rear seat and limited cargo space.
Engine
2.5L Naturally Aspirated Inline-4
- No Issues Found
2.5L Turbocharged Inline-4
- No Issues Found
Transmission
- No Issues Found
Suspension
- No Issues Found
Electrical
- Infotainment System Freezing/Rebooting
- Description/Symptoms: The Mazda Connect infotainment system may freeze, become unresponsive, or unexpectedly reboot while driving. This can affect navigation, audio, and other vehicle functions.
- Solution: Software updates or replacement of the CMU (Connectivity Master Unit) may be necessary.
- Estimated Cost to Fix: Software updates may be free; CMU replacement $500 - $1000+
- Recalls: None Found
- Adaptive Cruise Control Malfunction
- Description/Symptoms: The adaptive cruise control system may intermittently fail to engage or disengage unexpectedly. Warning lights on the dashboard may illuminate.
- Solution: Calibration of the radar sensor or replacement of the radar unit could be needed.
- Estimated Cost to Fix: Calibration $100-$300; Radar unit replacement $500 - $1200+
- Recalls: None Found
Exterior
- No Issues Found
Interior
- Rattling/Buzzing Sounds from Dashboard or Door Panels
- Description/Symptoms: Annoying rattles or buzzing noises may emanate from the dashboard, door panels, or other interior trim pieces, especially when driving on rough roads.
- Solution: Tightening or replacing loose trim clips and fasteners. Adding sound deadening material.
- Estimated Cost to Fix: $50 - $300+ depending on the source and complexity.
- Recalls: None Found
- Sunroof Issues
- Description/Symptoms: Sunroof may get stuck or fail to open/close smoothly.
- Solution: Lubrication of the sunroof track. Sunroof motor replacement.
- Estimated Cost to Fix: Lubrication: $50-$100. Motor replacement: $300-$700.
- Recalls: None Found
Summary:
The 2021 Mazda CX-30 appears to be a generally reliable vehicle. The most common issues reported seem to be centered around the electrical system (infotainment and adaptive cruise control) and some minor interior noises. Repairs for these issues can range from relatively inexpensive fixes like software updates or tightening trim pieces to more costly component replacements. Overall, the issues reported are generally not considered severe, but can be annoying for owners.