How much does the 2021 Mazda MAZDA3 cost?

Prices have softened 2.00% compared to this time last year, making it a favorable time to shop this model year.

There are 488 listings available, which suggests a healthy amount of inventory to compare before you buy.

If you find a listing below $18,452.67, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2021 Mazda MAZDA3 a good car?

Yes — the 5/5 user rating points to strong owner satisfaction, and the expert rating is 8.33/10. The model scores 10/10 across Look and feel, Cost effectiveness, and Safety.

Owners consistently praise the sporty design, high-quality interior, and fun driving experience. The feedback also highlights the stylish appearance and fuel efficiency, which reinforces the car’s appeal if you want a compact model that feels more upscale than average.

The trade-offs are familiar: the test-drive notes call out poor visibility and outdated technology, and the manual transmission is not available. That makes it a better fit if you value style, cabin quality, and driving enjoyment over maximum convenience or the latest interface polish.

The overview frames it as a compact car for buyers who care about how it drives and how refined it feels, and the 29.5% good-or-great-deal share suggests there are still worthwhile listings to chase.

Is the 2021 Mazda MAZDA3 reliable?

Owners rate it 5/5, a strong signal of long-term satisfaction. The owner summary also points to a dependable-feeling ownership experience through its praise for the car’s fun driving character, high-quality interior, and fuel efficiency, while the expert notes describe the powertrain and dynamic tuning as smooth, consistent, and predictable.

That kind of behavior matters in used-car ownership because a car that feels composed and easy to trust is usually less stressful to live with over time. For a used buyer, the main risk is making sure the specific car you choose has been maintained well and hasn’t been compromised by prior damage or neglect.

What should I look for when buying a used 2021 Mazda MAZDA3?

At 74% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should run a vehicle history report before you commit, then prioritize a pre-purchase inspection if the car has any accident history or signs of uneven wear. Focus on condition details that matter most in daily use: visibility, cabin wear, infotainment behavior, and whether the car feels as polished as the listing suggests.

Key things to evaluate:

• Trim level: Standard versions offer black or greige leatherette, while the higher trim adds supple Nappa leather and a more premium interior presentation. The base setup is also less richly appointed than the upgraded cabin.
• Powertrain: The turbocharged 2.5-liter four-cylinder makes 250 horsepower and 320 pound-feet of torque on 93-octane fuel, or 227 horsepower and 310 pound-feet of torque on 87-octane fuel. It pairs with a six-speed automatic and all-wheel drive, and the setup is tuned for smooth, predictable response rather than frenetic speed.
• Safety package: The i-ActiveSense suite includes adaptive cruise control with stop-and-go capability, automatic high-beam LED headlights, and an Adaptive Front Lighting System. The higher trim adds a high-definition surround-view camera, front and rear parking sensors, low-speed reverse automatic braking, and Traffic Jam Assist.
• Infotainment: Mazda Connect uses an 8.8-inch display with Apple CarPlay, Android Auto, and a three-year trial of Mazda Connected Services. The screen is not touch-sensitive, and the system also includes a WiFi hotspot trial and a MyMazda app for remote functions.
• Fuel efficiency: The test drive returned 20.4 mpg, versus an EPA estimate of 27 mpg in combined driving. The expert notes suggest you may see about 24 mpg in the real world.

Which 2021 Mazda MAZDA3 trim should I buy?

The 2021 Mazda MAZDA3 is offered in 2 trim levels: standard and Premium Plus.

Here's the short version:

• Base trim: Choose this if you want the core turbocharged experience and can live without the extra luxury and parking aids. It lacks the richer cabin materials and the added safety hardware reserved for the higher trim.
• Premium/top trim: This is the one to target if you want the most complete version of the car. It adds Nappa leather, a high-definition surround-view camera, front and rear parking sensors, low-speed reverse automatic braking, and Traffic Jam Assist.

The safety-package trim note is simple: the Premium Plus trim gets the extra driver-assistance and parking features that make the car easier to live with in tight spaces.

Is now a good time to buy a used 2021 Mazda MAZDA3?

This is a moderate, selective buyer’s market, so you can shop carefully without feeling rushed.

• Deal availability: 29.5% of listings are priced as good or great deals.
• Inventory: There are 488 listings available.
• Price trend: Prices have softened 2.00% compared with last year.
• Clean inventory: 74.0% of listings are accident-free.

If you find a listing below $18,452.67, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Mazda MAZDA3's resale value?

The current average of $19,402 sits slightly below last year's $19,797.

That softer pricing suggests the market has eased a bit, which can help you buy in at a more favorable point. For a future seller, it also means you should expect value to depend heavily on condition, mileage, and how well the car has been cared for.

Because the model still has strong owner satisfaction and a premium-feeling cabin, well-kept examples should remain easier to market than neglected ones. If you maintain the car carefully and keep documentation, you’ll be in a better position when it’s time to sell.

Vehicles with strong owner satisfaction ratings, like this model year's 5/5, tend to retain buyer demand, which supports resale value over time.

Is the 2021 Mazda MAZDA3 safe?

It earns top five-star ratings in every assessment including for rollover resistance.

It earns a 10/10 safety score from our experts.

The i-ActiveSense suite is Mazda’s driver-assistance package, and it includes adaptive cruise control with stop-and-go capability, automatic high-beam LED headlights, and an Adaptive Front Lighting System. On the higher trim, you also get a high-definition surround-view camera, front and rear parking sensors, low-speed reverse automatic braking, and Traffic Jam Assist.

Mazda also notes that Traffic Jam Assist is not a Level 2 system, so you remain responsible for steering. That matters if you’re comparing trims, because the extra hardware on the higher trim improves convenience, but it does not turn the car into a hands-off commuter.

Should I buy a 2021 Mazda MAZDA3 or consider a different year?

If you're weighing the 2021 against nearby model years, here's how to think about it:

Choose the 2021 if:

• 29.5% of listings are priced as good or great deals.
• At 74% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 2.00% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.
• The turbocharged setup delivers smooth, predictable performance with a more mature character than a typical pocket-rocket compact.

Consider the 2020 if:

• At $18,033, the 2020 costs less than the current year's $19,402 average.
• It feels more premium than many mass-market rivals.

Consider the 2022 if:

• At $21,023, the 2022 costs more than the current year's $19,402 average.
• It adds a Carbon Edition and more upscale touches.

The bottom line: If you want the best blend of price, owner satisfaction, and upscale driving character, the 2021 is the strongest all-around pick. If your priority is spending less, the 2020 is the value play; if you want newer features and can pay more, the 2022 is the upgrade path.

These recommendations are based on CarGurus' proprietary market data from August 21, 2026, CarGurus experts' opinions, and generative AI.