2020 Mazda Mazda3 Recalls, Problems & MPG
NHTSA lists 2 safety recalls and 32 owner complaints for the 2020 Mazda Mazda3. The EPA rates it 27 to 30 MPG combined, depending on engine and drivetrain.
- Recalls
- 2
- Owner complaints
- 32
- Crashes / fires reported
- 0 / 0
- EPA combined
- 27–30 MPG
2020 Mazda Mazda3 recalls
Service Brakes, HydraulicJun 12, 2020 · NHTSA 20V346000+
Risk: Loose brake calipers can reduce braking performance or interfere with wheel rotation, affecting vehicle handling. Either of these scenarios can increase the risk of a crash.
Fix: Mazda will notify owners, and dealers will inspect the front brake caliper bolts, tightening them as necessary. If bolts are missing, the affected brake caliper will be replaced. Repairs will be performed free of charge. The recall began July 24, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4420F.
Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 and Mazda3 vehicles. The front brake caliper mounting bolts may not have been tightened properly during assembly, possibly allowing the calipers to loosen.
Forward Collision AvoidanceDec 19, 2019 · NHTSA 19V907000+
Risk: Stopping the vehicle unexpectedly increases the risk of a crash.
Fix: Mazda will notify owners, and dealers will update the SBS software. In addition, vehicles with certain production dates will receive an instrument cluster software update or replacement and a replacement owner's manual. These repairs will be performed free of charge. The recall began February 14, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4219L.
Mazda North American Operations (Mazda) is recalling certain 2019-2020 Mazda3 vehicles. The Smart Brake System (SBS) can falsely detect an obstacle while driving, activating the automatic emergency braking system and suddenly stopping the vehicle.
Recall repairs are free. Enter your VIN at nhtsa.gov/recalls to see if yours still needs one.
Most reported 2020 Mazda Mazda3 problems
Owner complaints to NHTSA by system. One complaint can name more than one system.
- Forward Collision Avoidance15
- Steering3
- Electrical System3
- Service Brakes3
- Unknown or Other3
- Fuel/Propulsion System2
- Suspension2
- Lane Departure2
2020 Mazda Mazda3 gas mileage
EPA ratings for each version (city / highway / combined).
| Version | Engine | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|
| 3 4-Door 2WD | 2.5 L 4 cyl, Automatic (S6) | 26 | 35 | 30 | $2,150 |
| 3 4-Door 2WD | 2.5 L 4 cyl, Automatic (S6) | 27 | 36 | 30 | $2,150 |
| 3 5-Door 2WD | 2.5 L 4 cyl, Automatic (S6) | 26 | 35 | 30 | $2,150 |
| 3 5-Door 2WD | 2.5 L 4 cyl, Manual 6-spd | 25 | 35 | 29 | $2,200 |
| 3 4-Door 4WD | 2.5 L 4 cyl, Automatic (S6) | 25 | 33 | 28 | $2,300 |
| 3 5-Door 4WD | 2.5 L 4 cyl, Automatic (S6) | 24 | 32 | 27 | $2,400 |
Real-world mileage depends on how and where you drive. Logbay compares your actual MPG with these EPA numbers.
Questions
Does the 2020 Mazda Mazda3 have any recalls?
Yes. NHTSA lists 2 recalls for the 2020 Mazda Mazda3, most recently for the service brakes, hydraulic (Jun 12, 2020). Recall repairs are free at a dealer; check your VIN at nhtsa.gov/recalls.
What are the most common 2020 Mazda Mazda3 problems?
Owners filed 32 complaints with NHTSA. The most reported areas are forward collision avoidance (15), steering (3), electrical system (3).
What gas mileage does the 2020 Mazda Mazda3 get?
The EPA rates the 2020 Mazda Mazda3 at 27 to 30 MPG combined (best version: 26 city / 35 highway).
Sources: NHTSA recalls and owner complaints (api.nhtsa.gov), EPA fuel economy (fueleconomy.gov). Updated Oct 26, 2026. Complaint counts are unverified owner reports.