Used 2021 Mazda MAZDA3 for Sale nearStamford, CT

How much does the 2021 Mazda MAZDA3 cost?

Prices have softened 1.62% compared to this time last year, making it a favorable time to shop this model year.

With 480 listings available, you have a meaningful amount of inventory to compare before you buy.

If you find a listing below $18,450.02, 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 — owners rate it 5/5, 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. They also highlight the car’s stylish appearance and fuel efficiency, which reinforces its appeal if you want a compact car that feels more polished than average.

The trade-offs are familiar: the test-drive notes call out poor visibility and outdated technology. That means you should value the Mazda3 most if you care more about driving enjoyment and cabin quality than the latest interface polish.

In context, this is a compact car that aims at buyers who want style and refinement without giving up everyday usability. With 29.0% of listings marked as good or great deals, there’s still room to shop selectively.

Is the 2021 Mazda MAZDA3 reliable?

Owners rate it 5/5, a strong signal of long-term satisfaction.

The owner feedback points to a car that feels dependable enough to inspire confidence, with praise centered on its fun driving experience and overall quality. The expert notes also describe the car as one you come to know and trust, with predictable behavior and consistent responses that make it easier to live with over time.

The powertrain and chassis tuning are presented as smooth, consistent, and predictable, which supports the sense that this is a car you can count on day to day. If you’re buying used, the main long-term risk is less about outright durability and more about whether the specific car has been maintained well and still feels tight, quiet, and well cared for.

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

At 74.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and then prioritize a careful inspection of bodywork, alignment, and signs of prior repair. Because accident history is common enough to matter here, condition should carry extra weight in your decision.

Pay close attention to how the cabin, electronics, and driver-assistance features work in real use, since those are the areas that most affect daily satisfaction. If possible, test the car on roads where visibility, braking, and low-speed maneuvering are easy to evaluate.

Key things to evaluate:

• Trim level: The standard setup includes all-wheel drive and black or greige leatherette, while Premium Plus adds supple Nappa leather and a more upscale interior presentation. The higher trim also brings a clearer premium feel, so the base version is the one to scrutinize if you want the most equipment for the money.
• Powertrain: The turbocharged 2.5-liter four-cylinder pairs with a six-speed automatic and AWD, and it delivers strong output on premium fuel with a smoother, more mature character than a typical hot compact car.
• Safety package: The i-ActiveSense suite includes adaptive cruise control with stop-and-go capability and automatic high-beam LED headlights with Adaptive Front Lighting System. Premium Plus 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, 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 option and a MyMazda app for remote functions.
• Fuel efficiency: The test drive returned 20.4 mpg, while the EPA estimate is 27 mpg in combined driving. Real-world driving is expected to land closer to 24 mpg.

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:

• standard: This is the entry point if you want the Mazda3 Turbo’s core appeal without stretching to the top trim. You still get the turbocharged powertrain, AWD, and the upscale design that defines the car, so it makes sense if you care most about driving enjoyment and value.
• Premium Plus: This is the best-value trim 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, making it the trim that best matches the Mazda3’s near-premium ambitions.

The safety package is i-ActiveSense, and Premium Plus is the trim that layers on the most exclusive safety and parking features.

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

This looks like a moderate, selective buyer’s market, so you can shop carefully and still find worthwhile deals.

• Deal availability: 29.0% of listings are priced as good or great deals.
• Inventory: There are 480 listings available.
• Price trend: Prices have softened 1.62% compared with last year.
• Clean inventory: 74.8% of listings are accident-free.

If you find a listing below $18,450.02, 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 $19,499 sits slightly below last year's $19,820.

That softer pricing suggests the market has eased a bit, which can help you buy more confidently now. For a future seller, it also means resale value may depend more on condition, mileage, and trim than on broad market momentum.

Because the model still draws strong owner satisfaction and has a premium reputation, well-kept examples should remain appealing to used buyers. If you maintain the car carefully and keep it accident-free, you’re better positioned to protect value 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 five-star ratings in every NHTSA assessment, including rollover resistance. As this review was published, the Insurance Institute for Highway Safety had not carried over the Mazda3’s Top Safety Pick+ rating from 2020.

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

Mazda’s i-ActiveSense suite is the core driver-assistance package, and it’s designed to support the driver rather than replace them. Standard features include adaptive cruise control with stop-and-go capability and automatic high-beam LED headlights with Adaptive Front Lighting System.

The safety setup is especially strong on the Premium Plus trim, which adds a high-definition surround-view camera, front and rear parking sensors, low-speed reverse automatic braking, and Traffic Jam Assist. The main caveat is that Traffic Jam Assist is not a Level 2 system, so you remain responsible for steering.

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:

• 29.0% of listings are priced as good or great deals.
• At 74.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 1.62% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.
• The 2021 turbo model emphasizes smooth, predictable power and a more mature performance character.

Consider the 2020 if:

• At $17,997, the 2020 costs less than the current year's $19,499 average.
• It feels more premium than many rivals while emphasizing style and refinement.

Consider the 2022 if:

• At $21,384, the 2022 costs more than the current year's $19,499 average.
• It adds a Carbon Edition and more upscale touches, including a new Bose audio setup.

The bottom line: If you want the strongest mix of price, satisfaction, and upscale driving character, the 2021 is the sweet spot. If you’re especially price-sensitive, the 2020 can save you money while keeping much of the same premium feel.

These recommendations are based on CarGurus' proprietary market data from September 4, 2026, CarGurus experts' opinions, and generative AI.