Used 2021 Mazda CX-9 for Sale nearBrockville, ON

How much does the 2021 Mazda CX-9 cost?

Prices have softened 11.52% compared to this time last year, making it a favourable time to shop this model year.

There are 162 listings available, which suggests a modest amount of inventory for shoppers to compare.

Is the 2021 Mazda CX-9 a good car?

Yes — the 2021 Mazda CX-9 earns a 4.54/5 user rating and a 7/10 expert rating. The standout strength is Safety at 9/10.

Owners consistently praise its smooth handling, reliability, and luxurious interior. That lines up well with the CX-9’s upscale, polished character and its appeal if you want a three-row SUV that feels more premium than many rivals. It is especially attractive if you value style, comfort, and a thoughtfully executed cabin over maximum practicality.

Only 33.3% of listings are priced as good or great deals, so the market still rewards careful shopping.

Is the 2021 Mazda CX-9 reliable?

Owners rate it 4.54/5, a strong signal of long-term satisfaction.

The owner feedback highlights reliability and a trouble-free ownership experience, which is encouraging if you want something you can count on over time. The expert review also describes the CX-9 as a high-quality, comprehensively equipped SUV, and Mazda’s attention to detail shows up in the way the vehicle is assembled and tuned. If you buy used, the main long-term ownership risk is that the CX-9’s thirst and limited cargo space may become more noticeable as your needs grow.

What should I look for when buying a used 2021 Mazda CX-9?

Key things to evaluate:

• Trim level: The GS starts with 18-inch alloy wheels, while the GS-L moves to 20-inch wheels and adds a windshield wiper de-icer. Higher trims bring more standard features, with the GT adding adaptive front lighting, a driver-attention monitor, front and rear parking sensors, reverse automatic emergency braking, and a surround-view camera system.
• Powertrain: Every CX-9 uses a 2.5-litre turbocharged four-cylinder engine with a six-speed automatic transmission. All-wheel drive is standard in Canada, and the engine delivers strong low-rpm torque, though it can feel winded as revs climb.
• Safety package: Blind-spot monitoring, rear cross-traffic alert, adaptive cruise control with stop-and-go, and rain-sensing wipers are standard. The GT adds Mazda’s Smart City Brake Support Reverse, a driver-attention monitor, parking sensors, adaptive front lighting, and a surround-view camera system.
• Infotainment: The CX-9 gets a 10.25-inch static display with Mazda Connect, plus Apple CarPlay, Android Auto, Bluetooth, and text messaging support. It does not have a touchscreen, and voice recognition is poor.
• Fuel efficiency: Natural Resources Canada says the CX-9 is supposed to use 10.5 L/100 km combined, and the test vehicle averaged 11.7 L/100 km.

Which 2021 Mazda CX-9 trim should I buy?

The 2021 Mazda CX-9 is offered in 5 trim levels: GS, GS-L, GT, Kuro Edition, and Signature.

Here's the short version:

• GS: This is the entry point, and it gives you the core CX-9 experience with standard all-wheel drive, the turbocharged engine, and the new 10.25-inch infotainment display. It makes sense if you want the lowest-cost way into the model and can live without the extra luxury and safety upgrades.
• GS-L: This trim adds 20-inch wheels and a windshield wiper de-icer, making it a sensible step up if you want a little more presence and convenience without jumping too far in price.
• GT: This is the best-value trim for many shoppers because it adds the biggest safety and convenience upgrades, including adaptive front lighting, a driver-attention monitor, parking sensors, reverse automatic emergency braking, and a surround-view camera system.
• Kuro Edition: This trim is positioned above the GT and adds more standard features, so it suits you if you want a more distinctive, upscale look and feel.
• Signature: This is the most luxurious choice, with premium Nappa leather, genuine Santos Rosewood inlays, real aluminium accents, and quilted leather with contrast piping. It is the right pick if you want the CX-9 at its most premium.

The GT is the key trim to watch if you want the strongest safety-package upgrade.

Is now a good time to buy a used 2021 Mazda CX-9?

This looks like a moderate, selective buyer’s market, so you have room to shop carefully and compare listings.

• Deal availability: 33.3% of listings are priced as good or great deals.
• Inventory: There are 162 listings available.
• Price trend: Prices have softened 11.52% compared with last year.

If you find a listing below $28,188 CAD, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Mazda CX-9's resale value?

The current average of $28,230 CAD sits slightly below last year's $31,904 CAD.

That price decline suggests the CX-9 has become more accessible for used buyers, but it also means future sellers may face a softer market than they would have a year ago. If you buy now, you may benefit from that lower entry point, but resale gains are likely to depend on condition, mileage, and trim desirability. Well-equipped versions should hold broader appeal because the CX-9’s premium feel remains a key part of its value story.

Vehicles with strong owner satisfaction ratings, like this model year's 4.54/5, tend to retain buyer demand, which supports resale value over time.

Is the 2021 Mazda CX-9 safe?

The 2021 Mazda CX-9 earns a Top Safety Pick+ rating from IIHS and five-star ratings overall from NHTSA, with four-star frontal-impact results for the driver and front passenger.

It earns a 9/10 safety score from our experts.

Blind-spot monitoring, rear cross-traffic alert, adaptive cruise control with stop-and-go, and rain-sensing wipers are standard. Mazda also includes lane-departure warning and lane-keep assist, while the GT adds adaptive front lighting, a driver-attention monitor, front and rear parking sensors, reverse automatic emergency braking, and a surround-view camera system.

One caveat is that lane-centring assistance is unavailable, and the adaptive cruise system can struggle to maintain a smooth following distance at higher speeds.

Should I buy a 2021 Mazda CX-9 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:

• 33.3% of listings are priced as good or great deals.
• Price trend: Prices have softened 11.52% compared with last year.
• Owners rate it 4.54/5 — a strong satisfaction signal.
• The 2021.5 updates bring a better infotainment system and added safety features.

Consider the 2022 if:

• At $31,062 CAD, the 2022 costs more than the current year's $28,230 CAD average.
• It adds a more clearly defined five-trim Canadian lineup.

The bottom line: If you want the better value, the 2021 is the smarter buy because prices are softer and owner satisfaction is strong. If you are willing to pay more for a newer model-year alternative, the 2022 is worth a look, but price-sensitive buyers should focus on the 2021’s lower average and broader deal opportunities.

These recommendations are based on CarGurus' proprietary market data from October 6, 2026, CarGurus experts' opinions, and generative AI.