2020 Mazda 3: recalls, fuel economy and safety ratings
EPA rates the 2020 Mazda 3 at 27–30 mpg combined across 6 versions. NHTSA lists 2 safety recalls and 32 owner complaints for this model year. Its best NHTSA overall crash-test rating is 5 out of 5 stars.
Safety recalls
2
EPA combined mpg
27–30
NHTSA overall rating
5/5
Recall file dated Oct 28, 2026 · EPA file dated Sep 29, 2026 · updated Oct 28, 2026, 7:36 AM EDT
NHTSA lists this vehicle as MAZDA3.
Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Mazda dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.
2020 Mazda 3 recalls
NHTSA's recall file lists 2 safety recalls for the 2020 Mazda 3, newest first.
Service brakes, hydraulic: Foundation components: Disc: Caliper
NHTSA 20V346000Reported Jun 12, 2020
Filed by
Mazda Motor Corp. (manufacturer recall no. 4420F)
Units affected
24,037 (estimate)
Problem
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.
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.
Remedy
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 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.
Risk
Stopping the vehicle unexpectedly increases the risk of a crash.
Remedy
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.
Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.
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2020 Mazda 3 fuel economy by version
EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.
Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.
EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.
2020 Mazda 3 crash-test ratings
NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.
2020 Mazda 3 NHTSA 5-Star Safety Ratings
Tested vehicle
Overall
Frontal
Side
Rollover
Rollover risk
Forward collision warning
2020 Mazda Mazda3 4 DR AWD
5 stars
5 stars
5 stars
5 stars
10.1%
Standard
2020 Mazda Mazda3 4 DR FWD
5 stars
5 stars
5 stars
5 stars
10.1%
Standard
2020 Mazda Mazda3 5 HB AWD
5 stars
5 stars
5 stars
5 stars
10.1%
Standard
2020 Mazda Mazda3 5 HB FWD
5 stars
5 stars
5 stars
5 stars
10.1%
Standard
Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.
Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.
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2020 Mazda 3 owner complaints
Owners have filed 32 complaints with NHTSA about the 2020 Mazda 3, most recently on Jul 2, 2026. 0 mention a crash, 0 a fire, 0 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.