2020 Mazda CX-30

The 2020 Mazda CX-30 is a subcompact crossover known for its stylish design, engaging driving dynamics, and upscale interior. It was offered with two engine options: a 2.5-liter naturally aspirated four-cylinder engine producing 186 horsepower and 186 lb-ft of torque, and a 2.5-liter turbocharged four-cylinder engine producing 227 horsepower and 310 lb-ft of torque on regular fuel (250 hp and 320 lb-ft on premium). Both engines were paired with a six-speed automatic transmission. Owners generally praise the CX-30’s attractive styling, comfortable ride, and responsive handling. Common complaints include a smaller-than-average rear seat and cargo area compared to competitors, as well as some infotainment system quirks.

Engine

2.5L Naturally Aspirated Engine

• Excessive Oil Consumption
  • Description/Symptoms: Some owners have reported higher than expected oil consumption, requiring more frequent oil top-offs between scheduled oil changes. Symptoms include the low oil light illuminating and visible smoke from the exhaust in severe cases.
  • Solution: In some cases, the dealer may perform an oil consumption test. If consumption is deemed excessive, the engine may require internal repairs, such as piston ring replacement.
  • Estimated Cost to Fix: $2,000 - $5,000+
  • Recalls: None Found

2.5L Turbocharged Engine

• No Issues Found

Transmission

6-Speed Automatic Transmission

• Harsh Shifting/Hesitation
  • Description/Symptoms: Some owners have reported experiencing harsh or jerky shifts, particularly when downshifting or at lower speeds. Hesitation when accelerating from a stop has also been noted.
  • Solution: A software update to the transmission control module (TCM) may resolve the issue. In more severe cases, valve body replacement may be necessary.
  • Estimated Cost to Fix: Software update: $100 - $200. Valve body replacement: $800 - $1,500+
  • Recalls: None Found

Suspension

• No Issues Found

Electrical

• Infotainment System Freezing/Rebooting
  • Description/Symptoms: The Mazda Connect infotainment system can occasionally freeze, become unresponsive, or spontaneously reboot while driving. This can affect navigation, audio, and climate control functions.
  • Solution: A software update from the dealership may fix this. In some cases, a complete replacement of the infotainment system may be required.
  • Estimated Cost to Fix: Software update: $0 - $100. Infotainment system replacement: $800 - $1,500+
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Premature battery drain, especially in vehicles driven infrequently or with short trips. Owners report needing frequent jump starts or battery replacements.
  • Solution: Software update to address parasitic drain and checking/replacing the battery
  • Estimated Cost to Fix: Software update: $0 - $100. Battery replacement: $150 - $300
  • Recalls: None Found

Exterior

• Rear Hatch Alignment Issues
  • Description/Symptoms: Some owners have noticed misalignment of the rear hatch, leading to uneven gaps, difficulty closing the hatch properly, or increased wind noise.
  • Solution: Adjustment of the hatch hinges and latch mechanism by a qualified technician.
  • Estimated Cost to Fix: $50 - $200
  • Recalls: None Found

Interior

• Rattling/Squeaking Noises
  • Description/Symptoms: Various rattling or squeaking noises emanating from the dashboard, door panels, or rear cargo area. These noises can be intermittent and difficult to pinpoint.
  • Solution: Diagnosis and tightening or padding of the affected components by a technician.
  • Estimated Cost to Fix: $50 - $300+ (depending on the complexity of the repair)
  • Recalls: None Found

Summary

The 2020 Mazda CX-30 generally presents a reliable package, but some common issues have been reported. Excessive oil consumption in the 2.5L naturally aspirated engine can be a significant concern, potentially leading to costly engine repairs. Electrical issues with the infotainment system and battery drain can also be frustrating. The harsh shifting transmission is a more minor problem that can often be resolved with a software update. Overall, the issues reported range from minor annoyances to potentially expensive repairs, but most issues are not widespread.