Is the 2020 Mazda MAZDA3 reliable?

The 2020 Mazda MAZDA3 has 50 complaints filed with NHTSA (0.4x the segment average). Our reliability verdict: above-average. Most common issue: DRIVER ASSIST/CAMERAS problems.

What are common problems with the 2020 Mazda MAZDA3?

Top problems: DRIVER ASSIST/CAMERAS (25 complaints, avg repair $500); OTHER (4 complaints, avg repair $500); STEERING (3 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2020 Mazda MAZDA3?

Yes, there are 2 recall(s): FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING, SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER. Contact any Mazda dealer to verify if recalls have been completed on your specific vehicle.

How much does it cost to insure a 2020 Mazda MAZDA3?

Estimated US average full-coverage insurance for the 2020 Mazda MAZDA3 is approximately $1,511/year (sedan-midsize class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2020 Mazda MAZDA3

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2020 Mazda MAZDA3 has 50 owner complaints filed with NHTSA — that's 0.4x the segment average of 137. The most common issue is driver assist/cameras problems (50% of all complaints), specifically: i was driving my vehicle straight ahead on a two-way city street with no other vehicles in front or on my sides. i was traveling at a speed of 40 mph. the two-way street is separated by a concrete divider and trolly tracks. a "brake!" alert appeared on the display screen followed by beeps. suddenly . There are 2 recalls issued for this model year.

Total Complaints

Recalls Issued

5/5

Safety Stars

0.4x

vs Segment Avg

Known Problems(top 5 of 8)

DRIVER ASSIST/CAMERAS

25 complaints

50%

• I WAS DRIVING MY VEHICLE STRAIGHT AHEAD ON A TWO-WAY CITY STREET WITH NO OTHER VEHICLES IN FRONT OR ON MY SIDES. I WAS TRAVELING AT A SPEED OF 40 MPH. THE TWO-WAY STREET IS SEPARATED BY A CONCRETE DIVIDER AND TROLLY TRACKS. A "BRAKE!" ALERT APPEARED ON THE DISPLAY SCREEN FOLLOWED BY BEEPS. SUDDENLY
• I WAS DRIVING MY VEHICLE STRAIGHT AHEAD ON A TWO-WAY CITY STREET WITH NO OTHER VEHICLES IN FRONT OR ON MY SIDES. I WAS TRAVELING AT A SPEED OF 40 MPH. THE TWO-WAY STREET IS SEPARATED BY A CONCRETE DIVIDER AND TROLLY TRACKS. A "BRAKE!" ALERT APPEARED ON THE DISPLAY SCREEN FOLLOWED BY BEEPS. SUDDENLY
• THIS CAR IS ONLY A FEW MONTHS OLD, WITH ONLY 1600 MILES. WHILE DRIVING AT APPROX 30 OR 40 MPH THE SMART BRAKE SYSTEM (SBS) FALSELY DETECTS RANDOMLY AN OBSTACLE WHILE DRIVING, ACTIVATING THE AUTOMATIC EMERGENCY WARNING LIGHT AND ALARM. THE MAZDA DEALER WAS UNABLE TO DUPLICATE OR REPAIR THE PROBLEM A

Typical onset: 50K miles Est. repair: $500

“I WAS DRIVING MY VEHICLE STRAIGHT AHEAD ON A TWO-WAY CITY STREET WITH NO OTHER VEHICLES IN FRONT OR ON MY SIDES. I WAS TRAVELING AT A SPEED OF 40 MPH. THE TWO-WAY STREET IS SEPARATED BY A CONCRETE DIVIDER AND TROLLY TRACKS. A "BRAKE!" ALERT APPEARED ON THE DISPLAY SCREEN FOLLOWED BY BEEPS. SUDDENLY ”

— NHTSA complaint filing

Recalls (2)

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING19/12/2019

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.

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.

Estimated Insurance Cost for 2020 Mazda MAZDA3

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$1,511

Full coverage / month

$126

Liability only / year

$574

vs US avg

-10%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (sedan-midsize)0.96x

× theft risk1.00x

× safety rating0.94x

× vehicle age1.00x

= Full coverage estimate$1511

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Mazda MAZDA3 Service Intervals

Oil change

8K mi / 12 mo

Tire rotation

8K mi

Brake fluid

24 months

Transmission fluid

60K mi

Engine coolant

120K mi

Spark plugs

60K mi

Cabin air filter

15K mi

Engine air filter

30K mi

Differential (AWD/4WD)

60K mi

SkyActiv-G naturally aspirated engines. AWD models need transfer case and rear differential service every 60K.

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Mazda New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

3 yr / 36K mi

Powertrain

5 yr / 60K mi

Hybrid/EV battery

8 yr / 100K mi

Corrosion (rust perforation)

5 yr / unlimited mi

Roadside assistance

3 yr / 36K mi

These are the terms for a new Mazda. If you're buying a used 2020 MAZDA3, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Mazda dealer for VIN-specific remaining warranty.

Estimated Repair Costs

DRIVER ASSIST/CAMERAS(~50K mi)

$500

OTHER(~50K mi)

$500

STEERING(~50K mi)

$500

BRAKES(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 50 owner complaints for this specific year, here's what to check or ask about:

☐
DRIVER ASSIST/CAMERAS: I WAS DRIVING MY VEHICLE STRAIGHT AHEAD ON A TWO-WAY CITY STREET WITH NO OTHER VEHICLES IN FRONT OR ON MY SIDES. I WAS TRAVELING AT A SPEED OF 40 MPH. THE TWO-WAY STREET IS SEPARATED BY A CONCRETE DIVIDER AND TROLLY TRACKS. A "BRAKE!" ALERT APPEARED ON THE DISPLAY SCREEN FOLLOWED BY BEEPS. SUDDENLY
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: MY VEHICLE IS LESS THEN A YEAR OLD AND HAS LESS THAN 10000 MILES ON IT. THE PAINT IS CHIPPING EXTREMELY EASILY. WITHIN THE FIRST MONTH I HAD 3 CHIPS IN THE PAINT ALL THE WAY DOWN TO BARE METAL ON THE DOORS. I BOUGHT A PAINT TOUCH UP PEN FROM MAZDA AND FILLED THEN IN. NOW, A FEW MONTHS LATER I FILLED
Typically appears around 50K miles. Repair cost ~$500
☐
STEERING: MY NEW 2020 MAZDA 3 PREMIUM WITH 1,177 MILES SUDDENLY TOOK COMPLETE CONTROL OF STEERING MY CAR. DRIVING 65-70 MPH ON A 3 LANE STRAIGHT HIGHWAY ON A CLEAR DAY, WITH LIGHT TRAFFIC, I MOVED ONE LANE TO MY LEFT, AND THE CAR TOOK OVER THE STEERING, PULLING MY CAR OUT OF THE LEFT LANE NEARLY MISSING THE C
Typically appears around 50K miles. Repair cost ~$500
☐
BRAKES: I WAS DRIVING MY VEHICLE STRAIGHT AHEAD ON A TWO-WAY CITY STREET WITH NO OTHER VEHICLES IN FRONT OR ON MY SIDES. I WAS TRAVELING AT A SPEED OF 40 MPH. THE TWO-WAY STREET IS SEPARATED BY A CONCRETE DIVIDER AND TROLLY TRACKS. A "BRAKE!" ALERT APPEARED ON THE DISPLAY SCREEN FOLLOWED BY BEEPS. SUDDENLY
Typically appears around 50K miles. Repair cost ~$500
☐
RECALLS: Verify all 2 recalls have been completed — free at any Mazda dealer
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)