Used 2021 BMW 3 Series for Sale nearAjax, ON

How much does the 2021 BMW 3 Series cost?

Prices have softened 11.83% compared to this time last year, making it a favourable time to shop this model year.

There are 155 listings available, which suggests you have a reasonable amount of inventory to compare.

Is the 2021 BMW 3 Series a good car?

Yes — the 5/5 user rating points to very strong owner satisfaction. Owners consistently praise the sharp handling, powerful performance, and luxurious interior, while also highlighting the safety features and fuel economy. For you, that means this model fits especially well if you want a premium sedan that still works as an everyday driver. The 27.1% share of good or great deals also suggests there are worthwhile listings in the market.

Is the 2021 BMW 3 Series reliable?

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

The owner feedback also points to a dependable ownership experience, with repeated praise for the car’s trouble-free feel, strong performance over time, and the confidence it inspires in daily use. Some shoppers did mention audio-system concerns and mechanical noises, so it is still smart to inspect any used example carefully before you commit. For a used buyer, the main long-term risk is less about the overall reputation and more about how well a specific car has been maintained.

Is now a good time to buy a used 2021 BMW 3 Series?

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

• Deal availability: 27.1% of listings are priced as good or great deals.
• Inventory: There are 155 listings available.
• Price trend: Prices have softened 11.83% compared with last year.

If you find a listing below $32,967 CAD, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 BMW 3 Series's resale value?

The current average of $32,995 CAD sits slightly below last year's $37,423 CAD.

That price movement suggests the market has already adjusted downward, which can help you buy more confidently today but may limit near-term upside if you plan to resell soon. If you buy at the right price, you reduce the risk of taking a bigger depreciation hit later. Strong demand for well-kept examples should still support values, especially for cars with desirable equipment and clean histories.

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

Should I buy a 2021 BMW 3 Series 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:

• 27.1% of listings are priced as good or great deals.
• Price trend: Prices have softened 11.83% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

Consider the 2020 if:

• At $31,771 CAD, the 2020 costs less than the current year's $32,995 CAD average.
• It is a well-rounded premium sedan with especially impressive M340i appeal.

Consider the 2022 if:

• At $35,378 CAD, the 2022 costs more than the current year's $32,995 CAD average.
• It adds minor equipment updates while keeping the same polished formula.

The bottom line:

If you want the best balance of price, owner satisfaction, and market availability, the 2021 is the strongest starting point. If you are more price-sensitive, the 2020 is the better value play, while the 2022 makes sense if you want to spend more for a slightly newer example without expecting a major change in character.

These recommendations are based on CarGurus' proprietary market data from September 11, 2026, CarGurus experts' opinions, and generative AI.