Used 2021 Acura RDX for Sale near Ontario

How much does the 2021 Acura RDX cost?

Prices have softened 6.19% compared to this time last year, making it a favourable time to shop this model year.

There are 172 listings available, which suggests you have a reasonable amount of inventory to compare.

Is the 2021 Acura RDX a good car?

Yes — the 2021 Acura RDX earns a 4.69/5 user rating and an 8.17/10 expert rating, which points to broad appeal for shoppers who want a compact luxury crossover with everyday usefulness. The model scores 9/10 across Look and feel, Performance, and Cost effectiveness.

Owners consistently praise its value, comfort, spacious interior, and stylish design, and the overview frames it as a practical premium SUV with strong utility and a sporty character. That combination makes it a good fit if you want a luxury crossover that feels modern inside and out without giving up day-to-day usability. 26.2% of listings are priced as good or great deals, which gives you some room to shop selectively.

Is the 2021 Acura RDX reliable?

Owners rate it 4.69/5, a strong signal of long-term satisfaction.

The owner feedback points to a dependable, trouble-free ownership experience, with repeated praise for value, comfort, and the kind of long-term appeal that helps a used SUV stay desirable. The expert assessment also supports that impression by describing the RDX as a strong all-round package with refined driving manners and solid overall execution. Acura’s standard maintenance coverage can also help reduce early ownership friction when you buy used.

For used buyers, the main long-term risk is less about core durability and more about living with the RDX’s technology and audio-related quirks over time.

What should I look for when buying a used 2021 Acura RDX?

Key things to evaluate:

• Trim level: The base trim gives you the core RDX experience, but it does not include blind-spot warning or rear cross-traffic alert. The Tech trim adds those features, while the A-Spec focuses on sportier styling and interior details. The Elite and Platinum Elite trims add more upscale equipment, with the Platinum Elite sitting at the top of the range.
• Powertrain: Every 2021 RDX uses a 2.0-litre turbocharged four-cylinder engine with 272 horsepower and 280 pound-feet of torque, paired with a 10-speed automatic transmission and SH-AWD. The setup is praised for its broad torque curve, predictable handling, and fun-to-drive character.
• Safety package: Acura’s standard suite includes adaptive cruise control, lane-keeping assist, lane-departure warning, forward-collision warning, and automatic emergency braking. Blind-spot warning and rear cross-traffic alert are not included on the base trim and require at least the Tech trim.
• Infotainment: The RDX uses Acura’s True Touchpad Interface with a non-touchscreen setup, plus standard satellite radio, Bluetooth, and Wi-Fi tethering. An on-board navigation system is available.
• Fuel efficiency: Some owners are disappointed by fuel economy, and the expert commentary also notes that the RDX is not especially strong in this area.

Which 2021 Acura RDX trim should I buy?

The 2021 Acura RDX is offered in 5 trim levels: RDX, Tech, A-Spec, Elite, Platinum Elite.

Here's the short version:

• RDX: This is the entry point, but it leaves out blind-spot warning and rear cross-traffic alert. It makes sense only if you want the lowest starting point and are comfortable with the standard equipment set.
• Tech: This is the best-value trim because it adds the missing blind-spot warning and rear cross-traffic alert while keeping the RDX’s core strengths intact.
• A-Spec: Choose this if you want the sportiest look and a more distinctive cabin, including front sport seats, red ambient lighting, and unique trim details.
• Elite: This trim leans more upscale and is a good fit if you want a richer equipment mix without going all the way to the top model.
• Platinum Elite: Pick this if you want the most luxurious version, including the most complete equipment set in the lineup.

For safety-minded shoppers, the Tech trim is the key step up because it adds the missing blind-spot warning and rear cross-traffic alert.

Is now a good time to buy a used 2021 Acura RDX?

This is a moderate market for selective buyers, so you can shop carefully and still find worthwhile listings.

• Deal availability: 26.2% of listings are priced as good or great deals.
• Inventory: There are 172 listings available.
• Price trend: Prices have softened 6.19% compared with last year.

If you find a listing below $33,121 CAD, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Acura RDX's resale value?

The current average of $33,530 CAD sits slightly below last year's $35,743 CAD.

That softer pricing trend suggests the market has become a little more buyer-friendly, which can make future resale values more sensitive to condition, mileage, and equipment. If you buy well now and keep the SUV in strong shape, you may be better positioned when it is time to sell. The RDX’s broad appeal should help support demand, especially for well-equipped examples with the right safety features.

Vehicles with strong owner satisfaction ratings, like this model year's 4.69/5, tend to retain buyer demand, which supports resale value over time.

Is the 2021 Acura RDX safe?

The 2021 Acura RDX earns a Top Safety Pick+ rating from IIHS and five-star ratings from NHTSA, though it also earns four-star frontal-impact and four-star rollover resistance ratings from NHTSA.

It earns an 8/10 safety score from our experts.

Acura equips every RDX with adaptive cruise control, lane-keeping assist, lane-departure warning, forward-collision warning, and automatic emergency braking. Blind-spot warning and rear cross-traffic alert are not standard on the base trim and require at least the Tech trim. The safety suite is also missing pedestrian detection, traffic-sign recognition, and Traffic Jam Assist.

Should I buy a 2021 Acura RDX 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:

• 26.2% of listings are priced as good or great deals.
• Price trend: Prices have softened 6.19% compared with last year.
• Owners rate it 4.69/5 — a strong satisfaction signal.
• The 2021 brings the redesigned RDX’s modern styling, strong value, and broad appeal.

Consider the 2020 if:

• At $30,122 CAD, the 2020 costs less than the current year's $33,530 CAD average.
• It offers strong value with plenty of space, comfort, and safety tech.

Consider the 2022 if:

• At $38,098 CAD, the 2022 costs more than the current year's $33,530 CAD average.
• It adds fresh styling, a quieter cabin, and refined ride and handling.

The bottom line: The 2021 is the best all-round choice if you want the strongest mix of value, safety, and owner satisfaction. If your budget is tighter, the 2020 is the smarter price-first alternative, while the 2022 makes sense if you want the newer updates and are willing to pay more.

These recommendations are based on CarGurus' proprietary market data from September 22, 2026, CarGurus experts' opinions, and generative AI.