Used 2021 BMW 3 Series for Sale nearOakville, ON

How much does the 2021 BMW 3 Series cost?

Prices have softened 17.36% compared to this time last year, making it a favourable time to shop this model year.

There are 142 listings available, which gives you a solid amount of inventory to compare.

Is the 2021 BMW 3 Series a good car?

Yes — owners rate it 5/5, and that lines up with the car’s strong mix of handling, performance, and luxury. The owner feedback also highlights the interior quality, safety features, and fuel economy, while trunk space is another recurring plus. For you, that means this is a strong fit if you want a premium sport sedan that still works well for everyday use. With 29.6% of listings marked as good or great deals, there is still some room to shop carefully.

Is the 2021 BMW 3 Series reliable?

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

Owner feedback points to a car that many drivers find dependable and trouble-free enough to recommend with confidence. The overall impression is that it can be a vehicle you count on, especially if you value a premium driving experience alongside everyday usability. For used buyers, the main long-term ownership risk is making sure the specific example you choose has been maintained properly and does not show signs of unresolved wear.

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 with some leverage if you are patient.

• Deal availability: 29.6% of listings are priced as good or great deals.
• Inventory: There are 142 listings available.
• Price trend: Prices have softened 17.36% compared with last year.

If you find a listing below $32,346 CAD, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 BMW 3 Series' resale value?

The current average of $32,392 CAD sits slightly below last year's $39,198 CAD.

That price movement suggests the market has already adjusted downward, which can help you buy at a more favourable point in the cycle. If you plan to sell later, the current softness means your future resale value will depend heavily on condition, mileage, and service history. Well-kept examples should still attract interest because the 3 Series name carries strong recognition among luxury-sedan shoppers.

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:

• 29.6% of listings are priced as good or great deals.
• Price trend: Prices have softened 17.36% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

Consider the 2020 if:

• At $33,604 CAD, the 2020 costs more than the current year's $32,392 CAD average.
• It offers a well-rounded, engaging luxury-sedan feel.

Consider the 2022 if:

• At $34,141 CAD, the 2022 costs more than the current year's $32,392 CAD average.
• It adds minor equipment refinements to the familiar formula.

The bottom line: The 2021 is the best primary pick if you want the strongest mix of price movement, owner satisfaction, and inventory choice. If you are more price-sensitive, the 2020 is worth a look, but the 2021 gives you the better value signal right now.

How does the 2021 BMW 3 Series compare to the 2021 Audi A4?

Read our full side-by-side expert comparison here.

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