2020 Mazda Mazda3 - Maintenance & Specs
The 2020 Mazda Mazda3 belongs to a Mazda Mazda3 lineup that Know Your Ride tracks across 8 model years, from 2004 to 2025. Records for this year list a 2.5L I4 engine. The 2020 sits mid-run, with both earlier (2004) and later (2025) Mazda3 model years also documented.
It takes 0W-20 full synthetic oil, 4.5 qt with a new filter meeting API SP. Fluid specs on file include FL22 coolant, DOT 3 brake fluid, Mazda ATF FZ transmission fluid. Know Your Ride lists 13 scheduled maintenance items for this vehicle, the earliest interval falling at 7,500 miles. Documented torque values include oil drain plug 27 ft-lb, lug nut 80 ft-lb, spark plug 18 ft-lb.
NHTSA complaints for this vehicle cluster around forward collision avoidance (12), service brakes,forward collision avoidance (2), electrical system (1). A representative report reads: "size 21545ZR18 93Y. replaced these oem tires with these from costco on feb 27 2025. in dec 5 2025 the tire developed a large bubble. miles bought was 27790...." There are 2 safety recalls on record; one covers: Mazda North American Operations (Mazda) is recalling certain 2019-2020 Mazda3 vehicles. The Smart Brake System (SBS) can falsely detect an obstacle....
Quick Specs
| Oil viscosity | 0W-20 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 4.5 qt |
| OEM oil spec | API SP |
| Oil filter | Mobil 1 M1-110A |
| Tire size | 215/55R17 |
| Coolant | FL22 |
| NHTSA overall | 5 / 5 stars |
| Open recalls on record | 2 |
| Technical service bulletins | 200 |
Common Trouble Codes
- P0300 - Random/Multiple Cylinder Misfire Detected
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0171 - System too Lean (Bank 1)
- P0128 - Insufficient Coolant Temperature for Stable Operation
- P0442 - Evaporative Emission Control System Leak Detected (small leak)
- P0455 - Evaporative Emission Control System Leak Detected (gross leak)
- P0700 - Transmission Control System Malfunction
- P0301 - Cylinder 1 Misfire Detected
- U0100 - Lost Communication With ECM/PCM A
Related Vehicles
Part of the free Know Your Ride vehicle maintenance reference. Figures are sourced from EPA, NHTSA and manufacturer data and are for general reference - always confirm with your owner's manual.